{"id":41,"date":"2026-01-07T10:40:03","date_gmt":"2026-01-07T09:40:03","guid":{"rendered":"https:\/\/pcsluzba.sk\/blog\/?p=41"},"modified":"2026-08-15T12:11:59","modified_gmt":"2026-08-15T10:11:59","slug":"slovnik-pojmov","status":"publish","type":"post","link":"https:\/\/pcsluzba.sk\/blog\/slovnik-pojmov\/","title":{"rendered":"Slovn\u00edk pojmov"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Po\u010d\u00edta\u010dov\u00fd slovn\u00edk pojmov v\u00e1m pom\u00f4\u017ee zorientova\u0165 sa v naj\u010dastej\u0161ie pou\u017e\u00edvan\u00fdch IT v\u00fdrazoch. N\u00e1jdete tu vysvetlenie pojmov z oblasti po\u010d\u00edta\u010dov, internetu, bezpe\u010dnosti a po\u010d\u00edta\u010dov\u00fdch siet\u00ed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"adsl\"><strong>ADSL (Asymmetric Digital Subscriber Line)<\/strong> \u2013 technol\u00f3gia internetov\u00e9ho pripojenia cez meden\u00e9 telef\u00f3nne vedenie, pri ktorej je r\u00fdchlos\u0165 s\u0165ahovania d\u00e1t vy\u0161\u0161ia ne\u017e r\u00fdchlos\u0165 odosielania.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Antispyware<\/strong>&nbsp;&#8211; je bezpe\u010dnostn\u00fd softv\u00e9r ur\u010den\u00fd na odha\u013eovanie a odstra\u0148ovanie spyware. V s\u00fa\u010dasnosti b\u00fdva t\u00e1to ochrana s\u00fa\u010das\u0165ou modern\u00fdch antiv\u00edrusov\u00fdch programov.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><a><\/a>Antiv\u00edrus<\/strong>&nbsp;&#8211; alebo antiv\u00edrusov\u00fd softv\u00e9r je po\u010d\u00edta\u010dov\u00fd program, ktor\u00e9ho cie\u013eom je identifikova\u0165 a eliminova\u0165 po\u010d\u00edta\u010dov\u00e9 v\u00edrusy.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"apfs\"><strong>APFS<\/strong> \u2013 modern\u00fd s\u00faborov\u00fd syst\u00e9m spolo\u010dnosti Apple pou\u017e\u00edvan\u00fd najm\u00e4 v zariadeniach s macOS, iOS a \u010fal\u0161\u00edmi syst\u00e9mami Apple.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"bajt\"><strong><a><\/a>Bajt<\/strong>&nbsp;&#8211; jednotka inform\u00e1cie. 1 bajt = 8 bitov (pri v\u00e4\u010d\u0161ine dne\u0161n\u00fdch po\u010d\u00edta\u010dov). Skratka sa pou\u017e\u00edva&nbsp;<strong>B<\/strong>. N\u00e1sobky s\u00fa&nbsp;<strong>k<\/strong>&nbsp;&#8211; kilobajt (1.024B),&nbsp;<strong>M<\/strong>&nbsp;&#8211; megabajt (1.024kB = 1.048.576B),&nbsp;<strong>G<\/strong>&nbsp;&#8211; gigabajt (1.024MB = 1.048.576kB = 1.073.741.824B),&nbsp;<strong>T<\/strong>&nbsp;&#8211; terabajt (1024GB = 1.048.576MB = 1.073.741.824kB = 1.099.511.627.776B).&nbsp;Pozor, pri kapacite pevn\u00fdch disk sa v\u00e4\u010d\u0161inou pou\u017e\u00edvaj\u00fa n\u00e1sobky 1000 (tak ako v matematike) a nie 1024.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"bit\"><strong>Bit<\/strong>&nbsp;&#8211; n\u00e1zov z\u00e1kladnej jednotky inform\u00e1cie. Ako skratka sa pou\u017e\u00edva&nbsp;<strong>b<\/strong>. Bit m\u00f4\u017ee nadob\u00fada\u0165 jednu z dvoch logick\u00fdch hodn\u00f4t &#8211; 0 alebo 1. \u010casto sa pou\u017e\u00edva pri defin\u00edcii r\u00fdchlosti sie\u0165ovej komunik\u00e1cie. N\u00e1sobky funguj\u00fa ako v pr\u00edpade <strong>bajtu<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"bios\"><strong>BIOS<\/strong> \u2013 (Basic Input\/Output System) predstavuje z\u00e1kladn\u00fd program po\u010d\u00edta\u010da. V\u00fdrobca ho uklad\u00e1 na z\u00e1kladn\u00fa dosku a po zapnut\u00ed po\u010d\u00edta\u010da zabezpe\u010duje kontrolu a inicializ\u00e1ciu hardv\u00e9ru pred na\u010d\u00edtan\u00edm opera\u010dn\u00e9ho syst\u00e9mu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"bitlocker\"><strong>BitLocker<\/strong>&#8211; bezpe\u010dnostn\u00e1 funkcia vo Windows, ktor\u00e1 \u0161ifruje obsah disku a chr\u00e1ni va\u0161e \u00fadaje pred neopr\u00e1vnen\u00fdm pr\u00edstupom. Ak sa po\u010d\u00edta\u010d strat\u00ed alebo je ukradnut\u00fd, bez spr\u00e1vneho hesla alebo obnovovacieho k\u013e\u00fa\u010da nie je mo\u017en\u00e9 k d\u00e1tam pristupova\u0165. BitLocker je dostupn\u00fd vo vybran\u00fdch ed\u00edci\u00e1ch syst\u00e9mu Windows.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><a><\/a>BitTorrent<\/strong>&nbsp;&#8211; BitTorrent je peer to peer internetov\u00fd protokol, ktor\u00fd poskytuje r\u00fdchly, jednoduch\u00fd a efekt\u00edvny prenos ve\u013ek\u00fdch s\u00faborov medzi \u013eubovo\u013en\u00fdm po\u010dtom \u013eud\u00ed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"bluetooth\"><strong>Bluetooth<\/strong> \u2013 bezdr\u00f4tov\u00e1 technol\u00f3gia ur\u010den\u00e1 na prepojenie zariaden\u00ed na kr\u00e1tku vzdialenos\u0165. Pou\u017e\u00edva sa napr\u00edklad na pripojenie sl\u00fachadiel, reproduktorov, kl\u00e1vesn\u00edc, my\u0161\u00ed alebo mobiln\u00fdch telef\u00f3nov<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"bootloader\"><strong>Bootloader<\/strong> &#8211; mal\u00fd program, ktor\u00fd sa spust\u00ed okam\u017eite po zapnut\u00ed po\u010d\u00edta\u010da. Jeho \u00falohou je n\u00e1js\u0165 a na\u010d\u00edta\u0165 opera\u010dn\u00fd syst\u00e9m (napr\u00edklad Windows) do pam\u00e4te, aby sa mohol spusti\u0165. Ak je bootloader po\u0161koden\u00fd alebo ch\u00fdba, po\u010d\u00edta\u010d sa nemus\u00ed spr\u00e1vne spusti\u0165.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Bootovanie<\/strong> \u2013 alebo aj \u0161tart \u010di zavedenie syst\u00e9mu. Po\u010das tohto procesu po\u010d\u00edta\u010d na\u010d\u00edta opera\u010dn\u00fd syst\u00e9m do opera\u010dnej pam\u00e4te a priprav\u00ed v\u0161etky potrebn\u00e9 s\u00fa\u010dasti na prev\u00e1dzku.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"btrfs\"><strong>Btrfs<\/strong> \u2013 modern\u00fd s\u00faborov\u00fd syst\u00e9m pre Linux, ktor\u00fd podporuje pokro\u010dil\u00e9 funkcie, ako s\u00fa sn\u00edmky (snapshoty), kontrola integrity d\u00e1t, kompresia a spr\u00e1va viacer\u00fdch diskov.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Citliv\u00e9 d\u00e1ta<\/strong> \u2013 s\u00fa \u00fadaje, ktor\u00e9 si vy\u017eaduj\u00fa ochranu pred neopr\u00e1vnen\u00fdm pr\u00edstupom. Patria medzi ne osobn\u00e9 \u00fadaje, hesl\u00e1, prihlasovacie \u00fadaje do internet bankingu, obchodn\u00e9 tajomstv\u00e1 a \u010fal\u0161ie d\u00f4vern\u00e9 inform\u00e1cie.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><a><\/a>\u010cerv<\/strong>&nbsp;&#8211; alebo aj po\u010d\u00edta\u010dov\u00fd \u010derv je program so \u0161kodliv\u00fdm k\u00f3dom ktor\u00fd nap\u00e1da hostite\u013esk\u00fd po\u010d\u00edta\u010d, vyu\u017e\u00edva jeho pripojenie cez sie\u0165 s \u010fal\u0161\u00edmi po\u010d\u00edta\u010dmi a prostredn\u00edctvom toho sa \u0161\u00edri.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"cloud\"><strong>Cloud<\/strong> \u2013 ozna\u010denie pre slu\u017eby a \u00falo\u017eisk\u00e1 dostupn\u00e9 cez internet. D\u00e1ta sa neukladaj\u00fa iba v po\u010d\u00edta\u010di pou\u017e\u00edvate\u013ea, ale na vzdialen\u00fdch serveroch. Pr\u00edkladom s\u00fa cloudov\u00e9 \u00falo\u017eisk\u00e1 na z\u00e1lohovanie s\u00faborov alebo online kancel\u00e1rske aplik\u00e1cie.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>CPU<\/strong> \u2013 (Central Processing Unit) alebo procesor je hlavn\u00e1 v\u00fdpo\u010dtov\u00e1 jednotka po\u010d\u00edta\u010da. Vykon\u00e1va programov\u00e9 in\u0161trukcie, sprac\u00fava d\u00e1ta a riadi \u010dinnos\u0165 ostatn\u00fdch s\u00fa\u010dast\u00ed po\u010d\u00edta\u010da.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Detegova\u0165<\/strong>&nbsp;&#8211; zisti\u0165 pr\u00edtomnos\u0165, v pr\u00edpade \u0161kodliv\u00e9ho malware zisti\u0165 pr\u00edtomnos\u0165 malware v po\u010d\u00edta\u010di.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"dhcp\"><strong>DHCP<\/strong> \u2013 (Dynamic Host Configuration Protocol) je sie\u0165ov\u00e1 slu\u017eba, ktor\u00e1 automaticky pride\u013euje IP adresy a \u010fal\u0161ie sie\u0165ov\u00e9 nastavenia zariadeniam pripojen\u00fdm do siete. V dom\u00e1cich sie\u0165ach t\u00fato \u00falohu naj\u010dastej\u0161ie zabezpe\u010duje router.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Disk<\/strong>&nbsp;&#8211; je zariadenie na uchov\u00e1vanie d\u00e1t. V s\u00fa\u010dasnosti sa pou\u017e\u00edvaj\u00fa najm\u00e4 SSD disky a klasick\u00e9 pevn\u00e9 disky (HDD).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"displayport\"><strong>DisplayPort<\/strong> \u2013 digit\u00e1lne rozhranie ur\u010den\u00e9 na prenos obrazu a zvuku medzi po\u010d\u00edta\u010dom a monitorom. Oproti HDMI pon\u00faka vy\u0161\u0161iu prenosov\u00fa kapacitu, a preto ho \u010dasto vyu\u017e\u00edvaj\u00fa hern\u00e9 zostavy, pracovn\u00e9 stanice a monitory s vysok\u00fdm rozl\u00ed\u0161en\u00edm alebo obnovovacou frekvenciou.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>DLNA<\/strong> \u2013 (Digital Living Network Alliance) je technol\u00f3gia na zdie\u013eanie multimedi\u00e1lneho obsahu medzi zariadeniami v dom\u00e1cej sieti. Umo\u017e\u0148uje napr\u00edklad prehr\u00e1va\u0165 hudbu, fotografie alebo vide\u00e1 z telef\u00f3nu na telev\u00edzore bez potreby kop\u00edrovania s\u00faborov.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"dns\"><strong>DNS<\/strong> \u2013 (Domain Name System) je slu\u017eba, ktor\u00e1 prev\u00e1dza n\u00e1zvy webov\u00fdch str\u00e1nok na IP adresy. V\u010faka DNS si nemus\u00edme pam\u00e4ta\u0165 \u010d\u00edseln\u00e9 adresy serverov a sta\u010d\u00ed zada\u0165 n\u00e1zov webovej str\u00e1nky.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"dsl\"><strong>DSL (Digital Subscriber Line)<\/strong> \u2013 technol\u00f3gia \u0161irokop\u00e1smov\u00e9ho pripojenia na internet, ktor\u00e1 pren\u00e1\u0161a d\u00e1ta prostredn\u00edctvom existuj\u00faceho meden\u00e9ho telef\u00f3nneho vedenia; medzi jej typy patria napr\u00edklad ADSL a VDSL.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"dvi\"><strong>DVI<\/strong> \u2013 (Digital Visual Interface) je rozhranie ur\u010den\u00e9 na prenos obrazu medzi po\u010d\u00edta\u010dom a monitorom. Existuje v digit\u00e1lnej aj anal\u00f3govej verzii a predstavuje prechod medzi star\u0161\u00edm VGA a modernej\u0161\u00edmi rozhraniami HDMI a DisplayPort. DVI nepren\u00e1\u0161a zvuk, preto sa pou\u017e\u00edva najm\u00e4 na prenos obrazu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Dvojfaktorov\u00e9 overenie (2FA)<\/strong> \u2013 sp\u00f4sob zabezpe\u010denia \u00fa\u010dtu, pri ktorom nesta\u010d\u00ed iba heslo. Pou\u017e\u00edvate\u013e mus\u00ed potvrdi\u0165 prihl\u00e1senie aj druh\u00fdm sp\u00f4sobom, napr\u00edklad k\u00f3dom zaslan\u00fdm na mobiln\u00fd telef\u00f3n alebo v autentifika\u010dnej aplik\u00e1cii.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"ethernet\"><strong>Ethernet<\/strong> \u2013 technol\u00f3gia ur\u010den\u00e1 na k\u00e1blov\u00e9 prepojenie po\u010d\u00edta\u010dov, routerov, tla\u010diarn\u00ed a \u010fal\u0161\u00edch zariaden\u00ed v sieti. Na komunik\u00e1ciu vyu\u017e\u00edva sie\u0165ov\u00fd k\u00e1bel, naj\u010dastej\u0161ie s konektorom RJ-45. V porovnan\u00ed s Wi-Fi pon\u00faka stabilnej\u0161ie pripojenie, ni\u017e\u0161iu odozvu a spo\u013eahlivej\u0161\u00ed prenos d\u00e1t.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Naj\u010dastej\u0161ie sa stretnete s t\u00fdmito r\u00fdchlos\u0165ami Ethernet portov:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>100 Mbps (Fast Ethernet)<\/strong> \u2013 posta\u010duje na be\u017en\u00e9 surfovanie a kancel\u00e1rsku pr\u00e1cu.<\/li>\n\n\n\n<li><strong>1000 Mbps (1 Gbps, Gigabit Ethernet)<\/strong> \u2013 dne\u0161n\u00fd \u0161tandard pre dom\u00e1cnosti a firmy.<\/li>\n\n\n\n<li><strong>2,5 Gbps<\/strong> \u2013 vhodn\u00fd pre r\u00fdchle internetov\u00e9 pripojenia a NAS \u00falo\u017eisk\u00e1.<\/li>\n\n\n\n<li><strong>10 Gbps<\/strong> \u2013 vyu\u017e\u00edva sa najm\u00e4 vo firemn\u00fdch sie\u0165ach a pri n\u00e1ro\u010dn\u00fdch d\u00e1tov\u00fdch prenosoch.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"exfat\"><strong>exFAT<\/strong> \u2013 s\u00faborov\u00fd syst\u00e9m vhodn\u00fd najm\u00e4 pre USB k\u013e\u00fa\u010de, pam\u00e4\u0165ov\u00e9 karty a extern\u00e9 disky, ktor\u00fd podporuje aj s\u00fabory v\u00e4\u010d\u0161ie ako 4 GB.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"ext4\"><strong>ext4<\/strong> \u2013 roz\u0161\u00edren\u00fd s\u00faborov\u00fd syst\u00e9m pou\u017e\u00edvan\u00fd predov\u0161etk\u00fdm v opera\u010dn\u00fdch syst\u00e9moch Linux.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"faceid\"><strong>Face ID<\/strong> \u2013 technol\u00f3gia biometrick\u00e9ho overovania od spolo\u010dnosti Apple, ktor\u00e1 pomocou rozpoznania tv\u00e1re umo\u017e\u0148uje bezpe\u010dne odomyka\u0165 zariadenie, prihlasova\u0165 sa do aplik\u00e1ci\u00ed a potvrdzova\u0165 platby.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"fat32\"><strong>FAT32<\/strong> \u2013 star\u0161\u00ed, ale ve\u013emi kompatibiln\u00fd s\u00faborov\u00fd syst\u00e9m, ktor\u00e9ho hlavnou nev\u00fdhodou je maxim\u00e1lna ve\u013ekos\u0165 jedn\u00e9ho s\u00faboru 4 GB.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"firewall\"><strong>Firewall<\/strong>\u00a0&#8211; softv\u00e9r alebo hardv\u00e9r ktor\u00e9ho \u00falohou je oddeli\u0165 po\u010d\u00edta\u010dov\u00e9 siete na z\u00e1klade pravidiel na logickej \u00farovni. D\u00f4le\u017eitou funkciou je aj riadenie toku d\u00e1t medzi sie\u0165ami. Vo v\u00e4\u010d\u0161\u00edch sie\u0165ach je realizovan\u00fd ako samotn\u00e9 zariadenie.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"firmware\"><strong><a><\/a>Firmware<\/strong>&nbsp;&#8211; pomerne mal\u00fd program ktor\u00fd sa pou\u017e\u00edva na ovl\u00e1danie elektronick\u00e9ho zariadenia. Je napevno nahrat\u00fd v pam\u00e4ti zariadenia ale je mo\u017en\u00e9 ho v pr\u00edpade potreby aktualizova\u0165. Jedn\u00e1 sa hlavne o zariadenia v po\u010d\u00edta\u010doch (pevn\u00fd disk, z\u00e1kladn\u00e1 doska, grafick\u00e1 karta a in\u00e9) ale aj samotne pracuj\u00face zariadenia ako napr\u00edklad DVD prehr\u00e1va\u010de, modern\u00e9 telev\u00edzory, multimedi\u00e1lne centr\u00e1.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Flash disk<\/strong> \u2013 prenosn\u00e9 zariadenie na ukladanie a pren\u00e1\u0161anie d\u00e1t, ktor\u00e9 sa naj\u010dastej\u0161ie prip\u00e1ja cez USB port. Na uchov\u00e1vanie inform\u00e1ci\u00ed vyu\u017e\u00edva flash pam\u00e4\u0165, ktor\u00fa n\u00e1jdeme aj v modern\u00fdch SSD diskoch.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"formatovanie\"><strong>Form\u00e1tovanie<\/strong> \u2013 proces pr\u00edpravy disku alebo in\u00e9ho \u00falo\u017eiska na pou\u017e\u00edvanie vytvoren\u00edm zvolen\u00e9ho s\u00faborov\u00e9ho syst\u00e9mu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><a><\/a>FTP<\/strong>&nbsp;&#8211; (File Transfer Protocol) je TCP\/IP protokol na prenos s\u00faborov po po\u010d\u00edta\u010dovej sieti, lok\u00e1lnej alebo po internete.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"gpu\"><strong>GPU<\/strong> \u2013 (Graphics Processing Unit) je procesor ur\u010den\u00fd na spracovanie grafiky a obrazov\u00fdch v\u00fdpo\u010dtov. Naj\u010dastej\u0161ie tvor\u00ed s\u00fa\u010das\u0165 grafickej karty a zabezpe\u010duje zobrazovanie obrazu, prehr\u00e1vanie videa \u010di vykres\u013eovanie grafiky v hr\u00e1ch.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Hacker<\/strong> &#8211; je osoba s pokro\u010dil\u00fdmi znalos\u0165ami informa\u010dn\u00fdch technol\u00f3gi\u00ed. Term\u00edn sa \u010dasto pou\u017e\u00edva pre kybernetick\u00fdch \u00fato\u010dn\u00edkov, hoci v odbornom prostred\u00ed rozli\u0161ujeme etick\u00fdch hackerov a \u00fato\u010dn\u00edkov.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"hdd\"><strong>HDD (Hard Disk Drive)<\/strong> &#8211; je klasick\u00fd pevn\u00fd disk ur\u010den\u00fd na ukladanie d\u00e1t v po\u010d\u00edta\u010doch a notebookoch. Na rozdiel od SSD vyu\u017e\u00edva rotuj\u00face magnetick\u00e9 platne a pohybliv\u00e9 \u010d\u00edtacie hlavy, ktor\u00e9 zapisuj\u00fa a \u010d\u00edtaj\u00fa \u00fadaje.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"hdmi\"><strong>HDMI<\/strong> \u2013 (High-Definition Multimedia Interface) je digit\u00e1lne rozhranie ur\u010den\u00e9 na prenos obrazu aj zvuku medzi zariadeniami. Naj\u010dastej\u0161ie sa pou\u017e\u00edva na pripojenie monitora, telev\u00edzora alebo projektora k po\u010d\u00edta\u010du, notebooku, hernej konzole \u010di multimedi\u00e1lnemu prehr\u00e1va\u010du. Modern\u00e9 verzie HDMI podporuj\u00fa vysok\u00e9 rozl\u00ed\u0161enia vr\u00e1tane 4K a 8K.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><a><\/a>Heuristika<\/strong>&nbsp;&#8211; postup zameran\u00fd na skr\u00e1tenie doby v\u00fdberu, indukt\u00edvna met\u00f3da rie\u0161enia probl\u00e9mu. Je to sp\u00f4sob rie\u0161enia ktor\u00fd nevych\u00e1dza z hypot\u00e9zy a nepou\u017e\u00edva pr\u00edslu\u0161n\u00e9 algoritmy, ale pou\u017e\u00edva skr\u00e1ten\u00fd, spravidla za\u010d\u00ednaj\u00faci hrub\u00fdm odhadom, postup ktor\u00fd sa postupne uspres\u0148uje.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><a><\/a>Hostite\u013esk\u00fd po\u010d\u00edta\u010d<\/strong>&nbsp;&#8211; po\u010d\u00edta\u010d ktor\u00fd poskytuje svoje zdroje pre in\u00e9 aplik\u00e1cie \u010di u\u017e chcen\u00e9 alebo nechcen\u00e9 ako napr\u00edklad v\u00edrusy.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><a><\/a>HTTP<\/strong>&nbsp;&#8211; (Hyper Text Transfer Protocol) je TCP\/IP protokol na HTML dokumentov medzi serverom a kientom slu\u017eby WWW v r\u00e1mci po\u010d\u00edta\u010dovej sieti. Definuje po\u017eiadavky a odpovede medzi klientami a servermi.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"chipset\"><strong>Chipset<\/strong> &#8211; s\u00fabor elektronick\u00fdch obvodov na z\u00e1kladnej doske, ktor\u00fd zabezpe\u010duje komunik\u00e1ciu medzi procesorom, opera\u010dnou pam\u00e4\u0165ou, \u00falo\u017eiskami, grafickou kartou a \u010fal\u0161\u00edmi zariadeniami po\u010d\u00edta\u010da. Z\u00e1rove\u0148 ur\u010duje, ak\u00e9 funkcie a technol\u00f3gie z\u00e1kladn\u00e1 doska podporuje, napr\u00edklad po\u010det USB portov, PCIe liniek, NVMe SSD diskov alebo mo\u017enosti pretaktovania procesora.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><a><\/a>Internet<\/strong>&nbsp;&#8211; verejne dostupn\u00fd celosvetov\u00fd syst\u00e9m vz\u00e1jomne prepojen\u00fdch po\u010d\u00edta\u010dov\u00fdch siet\u00ed za pou\u017eitia internetov\u00e9ho protokolu (IP). Pozost\u00e1va z tis\u00edcok men\u0161\u00edch siet\u00ed a sl\u00fa\u017ei ako prenosov\u00e9 m\u00e9dium pre r\u00f4zne inform\u00e1cie a slu\u017eby.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"ip\"><strong>IP adresa (Internet Protocol Address)<\/strong> &#8211; jedine\u010dn\u00fd \u010d\u00edseln\u00fd identifik\u00e1tor zariadenia pripojen\u00e9ho do po\u010d\u00edta\u010dovej siete alebo internetu. IP adresa umo\u017e\u0148uje zariadeniam navz\u00e1jom komunikova\u0165 a odosiela\u0165 si \u00fadaje. Ka\u017ed\u00fd po\u010d\u00edta\u010d, smartf\u00f3n, router alebo server pripojen\u00fd do siete m\u00e1 pridelen\u00fa vlastn\u00fa IP adresu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>IPv4<\/strong> \u2013 \u0161tvrt\u00e1 verzia internetov\u00e9ho protokolu pou\u017e\u00edvan\u00e1 na identifik\u00e1ciu zariaden\u00ed v po\u010d\u00edta\u010dov\u00fdch sie\u0165ach. IPv4 adresy maj\u00fa form\u00e1t napr\u00edklad 192.168.1.1.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>IPv6<\/strong> \u2013 nov\u0161ia verzia internetov\u00e9ho protokolu vytvoren\u00e1 kv\u00f4li nedostatku IPv4 adries. Umo\u017e\u0148uje prakticky neobmedzen\u00fd po\u010det jedine\u010dn\u00fdch adries pre zariadenia pripojen\u00e9 k internetu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"lan\"><strong>LAN<\/strong> \u2013 (Local Area Network) je lok\u00e1lna po\u010d\u00edta\u010dov\u00e1 sie\u0165, ktor\u00e1 prep\u00e1ja zariadenia v r\u00e1mci dom\u00e1cnosti, kancel\u00e1rie alebo budovy. Na komunik\u00e1ciu vyu\u017e\u00edva k\u00e1blov\u00e9 alebo bezdr\u00f4tov\u00e9 pripojenie.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"linux\"><strong>Linux<\/strong> \u2013 opera\u010dn\u00fd syst\u00e9m s otvoren\u00fdm zdrojov\u00fdm k\u00f3dom, ktor\u00fd sa pou\u017e\u00edva na po\u010d\u00edta\u010doch, serveroch a \u010fal\u0161\u00edch zariadeniach a je dostupn\u00fd v r\u00f4znych distrib\u00faci\u00e1ch, napr\u00edklad Ubuntu, Debian alebo Fedora.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>M.2<\/strong> \u2013 modern\u00fd form\u00e1t roz\u0161iruj\u00facich kariet a SSD diskov. Naj\u010dastej\u0161ie sa pou\u017e\u00edva pre SSD \u00falo\u017eisk\u00e1, ktor\u00e9 sa prip\u00e1jaj\u00fa priamo k z\u00e1kladnej doske bez potreby d\u00e1tov\u00e9ho a nap\u00e1jacieho k\u00e1bla.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"mac\"><strong>MAC adresa (Media Access Control address)<\/strong> \u2013 jedine\u010dn\u00fd hardv\u00e9rov\u00fd identifik\u00e1tor sie\u0165ov\u00e9ho rozhrania, pomocou ktor\u00e9ho sa zariadenie rozpozn\u00e1va a komunikuje v lok\u00e1lnej po\u010d\u00edta\u010dovej sieti.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"macos\"><strong>macOS<\/strong> \u2013 opera\u010dn\u00fd syst\u00e9m spolo\u010dnosti Apple ur\u010den\u00fd pre po\u010d\u00edta\u010de Mac, zn\u00e1my jednoduch\u00fdm pou\u017e\u00edvate\u013esk\u00fdm prostred\u00edm, stabilitou a prepojen\u00edm s \u010fal\u0161\u00edmi zariadeniami Apple.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"malware\"><strong><a><\/a>Malware<\/strong>&nbsp;&#8211; v\u0161eobecn\u00e9 ozna\u010denie \u0161kodliv\u00e9ho softv\u00e9ru. Patria sem v\u00edrusy, tr\u00f3jske kone, \u010dervy, spyware a adware.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"nas\"><strong>NAS<\/strong> \u2013 (Network Attached Storage) je sie\u0165ov\u00e9 \u00falo\u017eisko ur\u010den\u00e9 na centr\u00e1lne ukladanie a zdie\u013eanie d\u00e1t medzi viacer\u00fdmi zariadeniami v dom\u00e1cnosti alebo firme. \u010casto sa pou\u017e\u00edva aj na automatick\u00e9 z\u00e1lohovanie.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Nevy\u017eiadan\u00e1 po\u0161ta &#8211; SPAM<\/strong>&nbsp;&#8211; je ka\u017ed\u00e1 mailov\u00e1 spr\u00e1va ktor\u00e1 bola prijat\u00e1 bez predo\u0161lej konverz\u00e1cie, \u010di u\u017e mailovej, \u00fastnej alebo inej.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"nfc\"><strong>NFC (Near Field Communication)<\/strong> &#8211; bezdr\u00f4tov\u00e1 technol\u00f3gia na prenos d\u00e1t na ve\u013emi kr\u00e1tku vzdialenos\u0165, zvy\u010dajne do 4 cm. Umo\u017e\u0148uje r\u00fdchlu komunik\u00e1ciu medzi zariadeniami jednoduch\u00fdm prilo\u017een\u00edm alebo pribl\u00ed\u017een\u00edm. NFC sa naj\u010dastej\u0161ie pou\u017e\u00edva pri bezkontaktn\u00fdch platb\u00e1ch mobilom alebo hodinkami, p\u00e1rovan\u00ed zariaden\u00ed a na\u010d\u00edtavan\u00ed NFC \u0161t\u00edtkov.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"ntfs\"><strong>NTFS<\/strong> \u2013 hlavn\u00fd s\u00faborov\u00fd syst\u00e9m syst\u00e9mu Windows, ktor\u00fd podporuje ve\u013ek\u00e9 s\u00fabory, opr\u00e1vnenia, \u0161ifrovanie a \u010fal\u0161ie pokro\u010dil\u00e9 funkcie.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"nvme\"><strong>NVMe (Non-Volatile Memory Express)<\/strong> &#8211; modern\u00e9 komunika\u010dn\u00e9 rozhranie ur\u010den\u00e9 pre SSD disky, ktor\u00e9 vyu\u017e\u00edva vysokor\u00fdchlostn\u00fa zbernicu PCI Express (PCIe). V porovnan\u00ed so star\u0161\u00edm rozhran\u00edm SATA umo\u017e\u0148uje v\u00fdrazne vy\u0161\u0161ie prenosov\u00e9 r\u00fdchlosti a ni\u017e\u0161iu odozvu syst\u00e9mu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"ont\"><strong>ONT (Optical Network Terminal)<\/strong> \u2013 koncov\u00e9 zariadenie optickej siete, ktor\u00e9 premie\u0148a optick\u00fd sign\u00e1l od poskytovate\u013ea internetu na ethernetov\u00e9 pripojenie pou\u017eite\u013en\u00e9 pre router, po\u010d\u00edta\u010d alebo \u010fal\u0161ie sie\u0165ov\u00e9 zariadenia.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"ovladac\"><strong>Ovl\u00e1da\u010d zariadenia (driver)<\/strong> \u2013 softv\u00e9r, ktor\u00fd umo\u017e\u0148uje opera\u010dn\u00e9mu syst\u00e9mu spr\u00e1vne komunikova\u0165 a spolupracova\u0165 s hardv\u00e9rov\u00fdm zariaden\u00edm, napr\u00edklad grafickou kartou, tla\u010diar\u0148ou alebo sie\u0165ov\u00fdm adapt\u00e9rom.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"pamat\"><strong><a><\/a>Pam\u00e4\u0165<\/strong>&nbsp;&#8211;&nbsp;s\u00fa\u010das\u0165 po\u010d\u00edta\u010da (alebo jeho perif\u00e9rie), ktor\u00e1 sl\u00fa\u017ei na uchov\u00e1vanie inform\u00e1ci\u00ed v digit\u00e1lnej (\u010d\u00edselnej) forme.&nbsp;V\u00e4\u010d\u0161inou sa \u0148ou rozumie opera\u010dn\u00e1 pam\u00e4\u0165 po\u010d\u00edta\u010da ktor\u00e1 sl\u00fa\u017ei na beh po\u010d\u00edta\u010da, opera\u010dn\u00e9ho syst\u00e9mu a aplik\u00e1ci\u00ed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"particia\"><strong>Part\u00edcia (diskov\u00fd oddiel)<\/strong> \u2013 logicky oddelen\u00e1 \u010das\u0165 fyzick\u00e9ho disku, ktor\u00fa m\u00f4\u017ee opera\u010dn\u00fd syst\u00e9m pou\u017e\u00edva\u0165 ako samostatn\u00e9 \u00falo\u017eisko.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>PCI Express (PCIe)<\/strong> \u2013 vysokor\u00fdchlostn\u00e9 rozhranie, ktor\u00e9 umo\u017e\u0148uje pripojenie roz\u0161iruj\u00facich kariet k z\u00e1kladnej doske po\u010d\u00edta\u010da. Vyu\u017e\u00edvaj\u00fa ho najm\u00e4 grafick\u00e9 karty, SSD NVMe disky, sie\u0165ov\u00e9 karty a \u010fal\u0161ie v\u00fdkonn\u00e9 zariadenia.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><a><\/a>Phishing<\/strong>&nbsp;&#8211; doslova ryb\u00e1r\u010denie hesiel. Je to \u010dinnos\u0165 pri ktorej sa podvodn\u00edk sna\u017e\u00ed z\u00edska\u0165 heslo, napr\u00edklad k bankov\u00e9mu \u00fa\u010dtu a to tak \u017ee mu podstr\u010d\u00ed str\u00e1nku ktor\u00e1 vyzer\u00e1 presne ako origin\u00e1lna ale zadan\u00e9 \u00fadaje z nej sa zasielaj\u00fa podvodn\u00edkovi.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><a><\/a>Po\u010d\u00edta\u010dov\u00fd v\u00edrus<\/strong>&nbsp;&#8211; program alebo k\u00f3d ktor\u00fd sa dok\u00e1\u017ee s\u00e1m \u0161\u00edri\u0165 bez vedomia pou\u017e\u00edvate\u013ea. \u0160\u00edri sa hlavne cez v\u00fdmenn\u00e9 m\u00e9di\u00e1 ale aj cez internet a email. Pod\u013ea typu z\u00e1le\u017e\u00ed na \u0161kode ktor\u00fa sp\u00f4sobuje, od spomalenia po\u010d\u00edta\u010da, ob\u0165a\u017eovania u\u017e\u00edvate\u013ea r\u00f4znymi v\u00fdpismi a\u017e po cielene ni\u010div\u00e9 &#8211; mazanie s\u00faborov na disku, zmazanie cel\u00e9ho disku.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"poe\"><strong>PoE (Power over Ethernet)<\/strong> \u2013 technol\u00f3gia, ktor\u00e1 umo\u017e\u0148uje pren\u00e1\u0161a\u0165 elektrick\u00e9 nap\u00e1janie aj sie\u0165ov\u00e9 d\u00e1ta jedin\u00fdm ethernetov\u00fdm k\u00e1blom, napr\u00edklad k IP kamer\u00e1m, access pointom alebo VoIP telef\u00f3nom.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"pppoe\"><strong>PPPoE (Point-to-Point Protocol over Ethernet)<\/strong> \u2013 sp\u00f4sob pripojenia k internetu, pri ktorom router vytvor\u00ed spojenie s poskytovate\u013eom cez Ethernet pomocou pridelen\u00e9ho pou\u017e\u00edvate\u013esk\u00e9ho mena a hesla.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"procesor\"><strong>Procesor<\/strong> \u2013 hlavn\u00e1 v\u00fdpo\u010dtov\u00e1 jednotka po\u010d\u00edta\u010da, ktor\u00e1 vykon\u00e1va in\u0161trukcie programov a sprac\u00fava d\u00e1ta. Riadi \u010dinnos\u0165 ostatn\u00fdch s\u00fa\u010dast\u00ed po\u010d\u00edta\u010da a zabezpe\u010duje vykon\u00e1vanie v\u0161etk\u00fdch v\u00fdpo\u010dtov. Modern\u00e9 po\u010d\u00edta\u010de vyu\u017e\u00edvaj\u00fa procesory vo forme mikroprocesorov integrovan\u00fdch do jedn\u00e9ho \u010dipu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"qrkod\"><strong>QR k\u00f3d (Quick Response Code)<\/strong> &#8211; dvojrozmern\u00fd \u010diarov\u00fd k\u00f3d, ktor\u00fd dok\u00e1\u017ee uklada\u0165 inform\u00e1cie, napr\u00edklad webov\u00fa adresu, kontaktn\u00e9 \u00fadaje, text alebo \u00fadaje pre platbu. Na jeho pre\u010d\u00edtanie sta\u010d\u00ed fotoapar\u00e1t smartf\u00f3nu alebo aplik\u00e1cia na skenovanie QR k\u00f3dov. Pou\u017e\u00edva sa na r\u00fdchle otvorenie webov\u00fdch str\u00e1nok, pripojenie k Wi-Fi sieti, zdie\u013eanie kontaktov \u010di platby.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"ram\"><strong>RAM<\/strong> \u2013 (Random Access Memory) alebo opera\u010dn\u00e1 pam\u00e4\u0165. Sl\u00fa\u017ei na do\u010dasn\u00e9 uchov\u00e1vanie d\u00e1t a programov, s ktor\u00fdmi po\u010d\u00edta\u010d pr\u00e1ve pracuje. Na rozdiel od ROM sa jej obsah po vypnut\u00ed po\u010d\u00edta\u010da vyma\u017ee.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"rom\"><strong>ROM<\/strong> \u2013 (Read-Only Memory) je typ pam\u00e4te, ktor\u00e1 uchov\u00e1va \u00fadaje aj po vypnut\u00ed po\u010d\u00edta\u010da. V\u00fdrobcovia ju pou\u017e\u00edvaj\u00fa najm\u00e4 na ulo\u017eenie z\u00e1kladn\u00e9ho firmv\u00e9ru potrebn\u00e9ho na spustenie a fungovanie zariadenia. Na rozdiel od RAM si zachov\u00e1va ulo\u017een\u00e9 \u00fadaje aj bez nap\u00e1jania.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Ransomware<\/strong> \u2013 druh \u0161kodliv\u00e9ho softv\u00e9ru, ktor\u00fd za\u0161ifruje s\u00fabory pou\u017e\u00edvate\u013ea a n\u00e1sledne po\u017eaduje v\u00fdkupn\u00e9 za ich odomknutie. Patr\u00ed medzi najnebezpe\u010dnej\u0161ie formy po\u010d\u00edta\u010dov\u00fdch \u00fatokov.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"refs\"><strong>ReFS<\/strong> \u2013 modern\u00fd s\u00faborov\u00fd syst\u00e9m od Microsoftu navrhnut\u00fd najm\u00e4 na vy\u0161\u0161iu odolnos\u0165 d\u00e1t a pou\u017eitie pri ve\u013ek\u00fdch \u00falo\u017eisk\u00e1ch.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"router\"><strong>Router (smerova\u010d)<\/strong> &#8211; je sie\u0165ov\u00e9 zariadenie, ktor\u00e9 prep\u00e1ja va\u0161e zariadenia s internetom a umo\u017e\u0148uje im navz\u00e1jom komunikova\u0165. V dom\u00e1cnosti naj\u010dastej\u0161ie zabezpe\u010duje Wi-Fi pripojenie pre po\u010d\u00edta\u010de, smartf\u00f3ny, telev\u00edzory, tla\u010diarne a \u010fal\u0161ie zariadenia. Modern\u00e9 routery z\u00e1rove\u0148 chr\u00e1nia dom\u00e1cu sie\u0165 a pom\u00e1haj\u00fa efekt\u00edvne rozde\u013eova\u0165 internetov\u00e9 pripojenie medzi v\u0161etk\u00fdch pou\u017e\u00edvate\u013eov.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"sata\"><strong>SATA<\/strong> \u2013 (Serial ATA) je rozhranie ur\u010den\u00e9 na pripojenie pevn\u00fdch diskov, SSD diskov a optick\u00fdch mechan\u00edk k z\u00e1kladnej doske po\u010d\u00edta\u010da. Jednotliv\u00e9 verzie SATA podporuj\u00fa prenosov\u00e9 r\u00fdchlosti od 1,5 Gb\/s a\u017e po 6 Gb\/s. Skuto\u010dn\u00e1 r\u00fdchlos\u0165 v\u0161ak z\u00e1vis\u00ed aj od mo\u017enost\u00ed pripojen\u00e9ho zariadenia.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"secureboot\"><strong>Secure Boot<\/strong> \u2013 bezpe\u010dnostn\u00e1 funkcia modern\u00fdch po\u010d\u00edta\u010dov, ktor\u00e1 pri \u0161tarte kontroluje d\u00f4veryhodnos\u0165 sp\u00fa\u0161\u0165an\u00e9ho softv\u00e9ru. Pom\u00e1ha chr\u00e1ni\u0165 po\u010d\u00edta\u010d pred \u0161kodliv\u00fdm k\u00f3dom, ktor\u00fd by sa mohol spusti\u0165 e\u0161te pred na\u010d\u00edtan\u00edm opera\u010dn\u00e9ho syst\u00e9mu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"nic\"><strong>Sie\u0165ov\u00e1 karta<\/strong> &#8211; hardv\u00e9rov\u00e1 s\u00fa\u010diastka, ktor\u00e1 umo\u017e\u0148uje po\u010d\u00edta\u010du komunikova\u0165 s po\u010d\u00edta\u010dovou sie\u0165ou alebo internetom. M\u00f4\u017ee by\u0165 zabudovan\u00e1 priamo na z\u00e1kladnej doske alebo pripojen\u00e1 ako samostatn\u00e1 karta. Sie\u0165ov\u00e1 karta m\u00f4\u017ee podporova\u0165 k\u00e1blov\u00e9 pripojenie (Ethernet) alebo bezdr\u00f4tov\u00e9 pripojenie (Wi-Fi) a zabezpe\u010duje prenos d\u00e1t medzi po\u010d\u00edta\u010dom a sie\u0165ou.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"sfp\"><strong>SFP (Small Form-factor Pluggable)<\/strong> \u2013 vymenite\u013en\u00fd sie\u0165ov\u00fd modul, ktor\u00fd umo\u017e\u0148uje pripoji\u0165 sie\u0165ov\u00e9 zariadenie pomocou optick\u00e9ho vl\u00e1kna alebo meden\u00e9ho k\u00e1bla, naj\u010dastej\u0161ie r\u00fdchlos\u0165ou do 1 Gbit\/s.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"sfpplus\"><strong>SFP+ (Enhanced Small Form-factor Pluggable)<\/strong> \u2013 v\u00fdkonnej\u0161ia verzia modulu SFP ur\u010den\u00e1 najm\u00e4 na sie\u0165ov\u00e9 pripojenia s r\u00fdchlos\u0165ou do 10 Gbit\/s prostredn\u00edctvom optick\u00e9ho vl\u00e1kna alebo meden\u00e9ho DAC k\u00e1bla.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><a><\/a>Skartovanie<\/strong>&nbsp;&#8211; trval\u00e9 odstr\u00e1nenie, v pr\u00edpade s\u00faborov na disku je to odstr\u00e1nenie s\u00faborov bez mo\u017enosti ich obnovenia.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Spam<\/strong>&nbsp;&#8211; nevy\u017eiadan\u00e1 a hromadne rozposielan\u00e1 spr\u00e1va. Ide o zneu\u017e\u00edvanie elektronickej komunik\u00e1cie a to hlavne emailu. Zv\u00e4\u010d\u0161a sa pou\u017e\u00edva na reklamn\u00e9 \u00fa\u010dely. V poslednej dobe sa \u010dastou objavuje aj v internetov\u00fdch chatoch.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"ssd\"><strong>SSD (Solid State Drive)<\/strong> &#8211; je modern\u00e9 d\u00e1tov\u00e9 \u00falo\u017eisko pou\u017e\u00edvan\u00e9 v po\u010d\u00edta\u010doch a notebookoch. Na rozdiel od klasick\u00fdch pevn\u00fdch diskov (HDD) neobsahuje \u017eiadne pohybliv\u00e9 \u010dasti, v\u010faka \u010domu je v\u00fdrazne r\u00fdchlej\u0161ie, tich\u0161ie a odolnej\u0161ie vo\u010di otrasom.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"ssdnvme\"><strong>SSD NVMe<\/strong> \u2013 modern\u00fd typ SSD disku vyu\u017e\u00edvaj\u00faci rozhranie NVMe a zbernicu PCI Express. Oproti klasick\u00fdm SATA SSD diskom dosahuje v\u00fdrazne vy\u0161\u0161ie prenosov\u00e9 r\u00fdchlosti a krat\u0161ie na\u010d\u00edtavacie \u010dasy.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><a><\/a>Spyware<\/strong>&nbsp;&#8211; po\u010d\u00edta\u010dov\u00fd program, ktor\u00fd sa bez vedomia u\u017e\u00edvate\u013ea pok\u00fa\u0161a &#8222;vy\u0161pehova\u0165&#8220; citliv\u00e9 d\u00e1ta z po\u010d\u00edta\u010da. Tieto d\u00e1ta sa potom pok\u00fa\u0161a posla\u0165 tretej strane. N\u00e1sledn\u00e9 posielanie inform\u00e1cie tretej strane zna\u010dne spoma\u013euje chod PC na internete a m\u00f4\u017ee aj prepisova\u0165 adresy zadan\u00e1 v prehliada\u010di.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"ssd\"><strong>SSD disk (Solid State Drive)<\/strong> &#8211; je modern\u00e9 \u00falo\u017eisko bez pohybliv\u00fdch s\u00fa\u010diastok. Oproti klasick\u00e9mu HDD pon\u00faka v\u00fdrazne vy\u0161\u0161iu r\u00fdchlos\u0165, ni\u017e\u0161iu spotrebu energie a vy\u0161\u0161iu odolnos\u0165 vo\u010di otrasom.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"suborovysystem\"><strong>S\u00faborov\u00fd syst\u00e9m<\/strong> \u2013 sp\u00f4sob, ak\u00fdm opera\u010dn\u00fd syst\u00e9m organizuje, uklad\u00e1 a spravuje s\u00fabory a prie\u010dinky na disku alebo inom \u00falo\u017eisku.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u0160ifrovanie<\/strong> \u2013 technol\u00f3gia, ktor\u00e1 chr\u00e1ni d\u00e1ta pred neopr\u00e1vnen\u00fdm pr\u00edstupom. Obsah s\u00faborov alebo komunik\u00e1cie prev\u00e1dza do ne\u010ditate\u013enej podoby a bez spr\u00e1vneho k\u013e\u00fa\u010da alebo hesla ho nie je mo\u017en\u00e9 pre\u010d\u00edta\u0165.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u0160kodliv\u00fd k\u00f3d<\/strong>&nbsp;&#8211; je po\u010d\u00edta\u010dov\u00fd program alebo jeho \u010das\u0165 ktor\u00e1 sp\u00f4sobuje v po\u010d\u00edta\u010di \u0161kodu. Napr\u00edklad mazanie s\u00faborov, odosielanie citliv\u00fdch d\u00e1t bez vedomia u\u017e\u00edvate\u013ea, vyu\u017e\u00edvanie po\u010d\u00edta\u010da na in\u00e9 \u00fa\u010dely ako je ur\u010den\u00fd a bez vedomia jeho vlastn\u00edka.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"thunderbolt\"><strong>Thunderbolt<\/strong> \u2013 vysokor\u00fdchlostn\u00e9 rozhranie vyu\u017e\u00edvaj\u00face konektor USB-C. Umo\u017e\u0148uje pren\u00e1\u0161a\u0165 d\u00e1ta, obraz, zvuk aj nap\u00e1janie jedn\u00fdm k\u00e1blom a patr\u00ed medzi najv\u00fdkonnej\u0161ie rozhrania dostupn\u00e9 v modern\u00fdch po\u010d\u00edta\u010doch a notebookoch.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"touchid\"><strong>Touch ID<\/strong> \u2013 technol\u00f3gia biometrick\u00e9ho overovania od spolo\u010dnosti Apple, ktor\u00e1 pomocou odtla\u010dku prsta umo\u017e\u0148uje odomyka\u0165 zariadenie, prihlasova\u0165 sa do aplik\u00e1ci\u00ed a potvrdzova\u0165 platby.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"tpm\"><strong>TPM<\/strong> &#8211; bezpe\u010dnostn\u00fd \u010dip zabudovan\u00fd v z\u00e1kladnej doske alebo procesore, ktor\u00fd sl\u00fa\u017ei na ochranu citliv\u00fdch \u00fadajov, ako s\u00fa \u0161ifrovacie k\u013e\u00fa\u010de, hesl\u00e1 \u010di digit\u00e1lne certifik\u00e1ty. V\u010faka nemu je mo\u017en\u00e9 bezpe\u010dne vyu\u017e\u00edva\u0165 funkcie, ako je \u0161ifrovanie disku pomocou BitLockeru alebo bezpe\u010dn\u00e9 prihlasovanie cez Windows Hello. Od syst\u00e9mu Windows 11 je TPM 2.0 jednou zo z\u00e1kladn\u00fdch hardv\u00e9rov\u00fdch po\u017eiadaviek, preto\u017ee v\u00fdrazne zvy\u0161uje odolnos\u0165 po\u010d\u00edta\u010da vo\u010di \u00fatokom a neopr\u00e1vnen\u00e9mu pr\u00edstupu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Tr\u00f3jsky k\u00f4\u0148<\/strong>&nbsp;&#8211; program, ktor\u00fd vykon\u00e1va de\u0161trukt\u00edvnu \u010dinnos\u0165, pri\u010dom sa skr\u00fdva za \u010dinnos\u0165 &#8222;u\u017eito\u010dn\u00fa&#8220;, pri\u010dom t\u00fato &#8222;u\u017eito\u010dn\u00fa&#8220; \u010dinnos\u0165 bu\u010f v\u00f4bec nevykon\u00e1va, alebo ju vykon\u00e1va a na pozad\u00ed realizuje nejak\u00fd druh de\u0161trukcie.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"uefi\"><strong>UEFI<\/strong> \u2013 (Unified Extensible Firmware Interface) je modern\u00fd n\u00e1stupca syst\u00e9mu BIOS. Poskytuje r\u00fdchlej\u0161ie sp\u00fa\u0161\u0165anie po\u010d\u00edta\u010da, lep\u0161iu podporu modern\u00e9ho hardv\u00e9ru a bezpe\u010dnostn\u00e9 funkcie ako Secure Boot.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"usb\"><strong>USB<\/strong> \u2013 (Universal Serial Bus) je \u0161tandard na pripojenie perif\u00e9rnych zariaden\u00ed k po\u010d\u00edta\u010du a na prenos d\u00e1t alebo elektrickej energie. Pomocou USB sa prip\u00e1jaj\u00fa napr\u00edklad kl\u00e1vesnice, my\u0161i, tla\u010diarne, extern\u00e9 disky, mobiln\u00e9 telef\u00f3ny \u010di flash disky. Modern\u00e9 verzie USB podporuj\u00fa vysok\u00e9 prenosov\u00e9 r\u00fdchlosti a v pr\u00edpade konektora USB-C aj nab\u00edjanie zariaden\u00ed alebo prenos obrazu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"usb-c\"><strong>USB-C<\/strong> \u2013 modern\u00fd univerz\u00e1lny konektor pou\u017e\u00edvan\u00fd na prenos d\u00e1t, obrazu aj elektrickej energie. Je obojstrann\u00fd, tak\u017ee ho mo\u017eno zapoji\u0165 \u013eubovo\u013enou stranou.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><a><\/a>U\u017e\u00edvate\u013esk\u00e9 rozhranie<\/strong>&nbsp;&#8211; sofv\u00e9rov\u00e9 a hardv\u00e9rov\u00e9 n\u00e1stroje po\u010d\u00edta\u010da a opera\u010dn\u00e9ho syst\u00e9mu prim\u00e1rne ur\u010den\u00e9 na komunik\u00e1ciu \u010dloveka s po\u010d\u00edta\u010dom. Patr\u00ed sem displej, my\u0161, kl\u00e1vesnica, okn\u00e1, tla\u010d\u00edtka a in\u00e9 prostriedky.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"vdsl\"><strong>VDSL (Very-high-bit-rate Digital Subscriber Line)<\/strong> \u2013 r\u00fdchlej\u0161ia technol\u00f3gia pripojenia cez meden\u00e9 telef\u00f3nne vedenie, ktor\u00e1 oproti ADSL pon\u00faka vy\u0161\u0161iu r\u00fdchlos\u0165 s\u0165ahovania aj odosielania d\u00e1t, najm\u00e4 pri krat\u0161ej vzdialenosti od \u00fastredne alebo rozv\u00e1dza\u010da.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"vga\"><strong>VGA<\/strong> \u2013 (Video Graphics Array) je star\u0161\u00ed anal\u00f3gov\u00fd konektor ur\u010den\u00fd na prenos obrazu medzi po\u010d\u00edta\u010dom a monitorom. Nepodporuje prenos zvuku a v s\u00fa\u010dasnosti ho postupne nahr\u00e1dzaj\u00fa modernej\u0161ie digit\u00e1lne rozhrania, ako HDMI alebo DisplayPort.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><a><\/a>Virtu\u00e1lny disk<\/strong>&nbsp;&#8211; je disk ktor\u00fd existuje len logicky v opera\u010dnom syst\u00e9me kde sa tv\u00e1ri ako samostatn\u00fd disk v po\u010d\u00edta\u010di, v pr\u00edpade windows m\u00e1 svoje p\u00edsmeno, napr. M:. D\u00e1ta s\u00fa fyzicky ulo\u017een\u00e9 na existuj\u00facom pevnom disku, zv\u00e4\u010d\u0161a ako skryt\u00fd s\u00fabor.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"vlan\"><strong>VLAN (Virtual Local Area Network)<\/strong> \u2013 virtu\u00e1lna lok\u00e1lna sie\u0165, ktor\u00e1 umo\u017e\u0148uje logicky rozdeli\u0165 jednu fyzick\u00fa po\u010d\u00edta\u010dov\u00fa sie\u0165 na viac oddelen\u00fdch \u010dast\u00ed, napr\u00edklad pre zamestnancov, host\u00ed, IP kamery alebo IoT zariadenia.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"vpn\"><strong>VPN<\/strong> \u2013 (Virtual Private Network) je technol\u00f3gia vytv\u00e1raj\u00faca \u0161ifrovan\u00e9 spojenie medzi zariaden\u00edm pou\u017e\u00edvate\u013ea a vzdialenou sie\u0165ou. Zvy\u0161uje bezpe\u010dnos\u0165 pri pou\u017e\u00edvan\u00ed internetu a m\u00f4\u017ee pom\u00f4c\u0165 chr\u00e1ni\u0165 s\u00fakromie pou\u017e\u00edvate\u013ea.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"wan\"><strong>WAN<\/strong> \u2013 (Wide Area Network) je rozsiahla po\u010d\u00edta\u010dov\u00e1 sie\u0165 prep\u00e1jaj\u00faca viacero lok\u00e1lnych siet\u00ed na ve\u013ek\u00e9 vzdialenosti. Najzn\u00e1mej\u0161\u00edm pr\u00edkladom WAN je internet.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><a><\/a>Webov\u00e9 skenovanie<\/strong>&nbsp;&#8211; kontrola obsahu webov\u00fdch str\u00e1nok na v\u00edrusy a in\u00fd \u0161kodliv\u00fd k\u00f3d.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"wifi\"><strong>Wi-Fi<\/strong> \u2013 technol\u00f3gia, ktor\u00e1 umo\u017e\u0148uje bezdr\u00f4tov\u00e9 pripojenie zariaden\u00ed k po\u010d\u00edta\u010dovej sieti alebo internetu. Pomocou WiFi sa m\u00f4\u017eu k sieti prip\u00e1ja\u0165 po\u010d\u00edta\u010de, smartf\u00f3ny, tablety, telev\u00edzory a \u010fal\u0161ie zariadenia bez potreby sie\u0165ov\u00e9ho k\u00e1bla. Kvalitu a r\u00fdchlos\u0165 WiFi pripojenia ovplyv\u0148uje najm\u00e4 vzdialenos\u0165 od routera, prek\u00e1\u017eky v priestore a pou\u017eit\u00fd \u0161tandard bezdr\u00f4tovej siete.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Podrobn\u00e9 vysvetlenie fungovania bezdr\u00f4tov\u00fdch siet\u00ed n\u00e1jdete v \u010dl\u00e1nku<strong> <\/strong><a href=\"https:\/\/pcsluzba.sk\/blog\/wifi-v-domacnosti\/\">Wi-Fi v dom\u00e1cnosti \u2013 kompletn\u00fd sprievodca r\u00fdchlou, stabilnou a bezpe\u010dnou sie\u0165ou<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"wifi6\"><strong>Wi-Fi 6<\/strong> \u2013 ozna\u010denie bezdr\u00f4tov\u00e9ho \u0161tandardu IEEE 802.11ax. Oproti star\u0161\u00edm gener\u00e1ci\u00e1m WiFi pon\u00faka vy\u0161\u0161iu r\u00fdchlos\u0165, ni\u017e\u0161iu odozvu a lep\u0161\u00ed v\u00fdkon pri v\u00e4\u010d\u0161om po\u010dte pripojen\u00fdch zariaden\u00ed.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"wifi7\"><strong>Wi-Fi 7<\/strong> \u2013 najnov\u0161ia gener\u00e1cia bezdr\u00f4tovej siete pod\u013ea \u0161tandardu IEEE 802.11be, ktor\u00e1 prin\u00e1\u0161a vy\u0161\u0161iu r\u00fdchlos\u0165, ni\u017e\u0161iu odozvu a stabilnej\u0161ie pripojenie najm\u00e4 v\u010faka \u0161ir\u0161\u00edm 320 MHz kan\u00e1lom a s\u00fa\u010dasn\u00e9mu vyu\u017e\u00edvaniu viacer\u00fdch frekven\u010dn\u00fdch p\u00e1siem.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Wi-Fi mesh<\/strong> \u2013 syst\u00e9m viacer\u00fdch vz\u00e1jomne prepojen\u00fdch WiFi jednotiek, ktor\u00e9 vytv\u00e1raj\u00fa jednu spolo\u010dn\u00fa bezdr\u00f4tov\u00fa sie\u0165. Je ur\u010den\u00fd na zlep\u0161enie pokrytia WiFi sign\u00e1lom vo v\u00e4\u010d\u0161\u00edch bytoch, domoch alebo kancel\u00e1ri\u00e1ch.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"windows\"><strong>Windows<\/strong> \u2013 opera\u010dn\u00fd syst\u00e9m spolo\u010dnosti Microsoft ur\u010den\u00fd najm\u00e4 pre osobn\u00e9 po\u010d\u00edta\u010de a notebooky, ktor\u00fd patr\u00ed medzi najroz\u0161\u00edrenej\u0161ie opera\u010dn\u00e9 syst\u00e9my na svete.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"wps\"><strong>WPS (Wi\u2011Fi Protected Setup)<\/strong> \u2013 funkcia umo\u017e\u0148uj\u00faca jednoducho pripoji\u0165 zariadenie k Wi\u2011Fi sieti bez ru\u010dn\u00e9ho zad\u00e1vania hesla, naj\u010dastej\u0161ie stla\u010den\u00edm tla\u010didla na routeri; z bezpe\u010dnostn\u00fdch d\u00f4vodov sa neodpor\u00fa\u010da pou\u017e\u00edva\u0165 pripojenie pomocou WPS PIN k\u00f3du.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"xfs\"><strong>XFS<\/strong> \u2013 v\u00fdkonn\u00fd \u017eurn\u00e1lovac\u00ed s\u00faborov\u00fd syst\u00e9m pou\u017e\u00edvan\u00fd najm\u00e4 v Linuxe, navrhnut\u00fd pre pr\u00e1cu s ve\u013ek\u00fdmi s\u00fabormi a ve\u013ek\u00fdmi \u00falo\u017eiskami.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Z\u00e1chrann\u00fd disk<\/strong>&nbsp;&#8211; v\u00e4\u010d\u0161inou USB (alebo CD) m\u00e9dium z ktor\u00e9ho je mo\u017en\u00e9 na\u0161tartova\u0165 po\u010d\u00edta\u010d (nez\u00e1visle od nain\u0161talovan\u00e9ho opera\u010dn\u00e9ho syst\u00e9mu) a vykona\u0165 funkcie ktor\u00e9 s\u00fa jeho s\u00fa\u010das\u0165ou. \u010casto sa pou\u017e\u00edva na odv\u00edrenie po\u010d\u00edta\u010dov &#8211; s\u00fa\u010das\u0165ou z\u00e1chrann\u00e9ho disku m\u00f4\u017ee by\u0165 antiv\u00edrus.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"zfs\"><strong>ZFS<\/strong> \u2013 pokro\u010dil\u00fd s\u00faborov\u00fd syst\u00e9m a spr\u00e1vca \u00falo\u017e\u00edsk, ktor\u00fd pon\u00faka vysok\u00fa ochranu integrity d\u00e1t, snapshoty, kompresiu a efekt\u00edvnu spr\u00e1vu viacer\u00fdch diskov.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ak m\u00e1te ot\u00e1zky, nev\u00e1hajte n\u00e1s kontaktova\u0165 na na\u0161ich&nbsp;<a href=\"https:\/\/pcsluzba.sk\/kontakty.html\">kontaktoch<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Po\u010d\u00edta\u010dov\u00fd slovn\u00edk pojmov v\u00e1m pom\u00f4\u017ee zorientova\u0165 sa v naj\u010dastej\u0161ie pou\u017e\u00edvan\u00fdch IT v\u00fdrazoch. N\u00e1jdete tu vysvetlenie pojmov z oblasti po\u010d\u00edta\u010dov, internetu, bezpe\u010dnosti a po\u010d\u00edta\u010dov\u00fdch siet\u00ed. ADSL (Asymmetric Digital Subscriber Line) \u2013 technol\u00f3gia internetov\u00e9ho pripojenia cez meden\u00e9 telef\u00f3nne vedenie, pri ktorej je r\u00fdchlos\u0165 s\u0165ahovania d\u00e1t vy\u0161\u0161ia ne\u017e r\u00fdchlos\u0165 odosielania. Antispyware&nbsp;&#8211; je bezpe\u010dnostn\u00fd softv\u00e9r ur\u010den\u00fd na odha\u013eovanie a &#8230; <a title=\"Slovn\u00edk pojmov\" class=\"read-more\" href=\"https:\/\/pcsluzba.sk\/blog\/slovnik-pojmov\/\" aria-label=\"Pre\u010d\u00edtajte si viac o Slovn\u00edk pojmov\">\u010c\u00edta\u0165 viac<\/a><\/p>\n","protected":false},"author":1,"featured_media":1396,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5,93,62],"tags":[122,124,12,123,109,125,69,20,10],"class_list":["post-41","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-informacie","category-pocitace","category-wi-fi","tag-bezpecnost","tag-hardware","tag-internet","tag-it-slovnik","tag-pocitace","tag-pocitacova-siet","tag-router","tag-ssd-disk","tag-wifi-2"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Po\u010d\u00edta\u010dov\u00fd slovn\u00edk pojmov \u2013 vysvetlenie IT v\u00fdrazov<\/title>\n<meta name=\"description\" content=\"Vysvetlenie naj\u010dastej\u0161\u00edch po\u010d\u00edta\u010dov\u00fdch a internetov\u00fdch pojmov. 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