Computers, Kev nyab xeeb
Ib suam ntawm computer kab mob. Muaj nyob rau ntawm lub complex
Kab mob hu ua ib tug tshwj xeeb zoo ntawm cov kev pab cuam computer uas muaj thiaj li hu ua siab phem code. Ib suam ntawm computer kab mob, uas yuav tsum tau los sib tham li hauv qab no, yog heev kim heev. Ib yam yog tseeb - ib tug yam ntxwv feature ntawm tag nrho cov siab phem cov kev pab cuam yog lawv muaj peev xwm rau cov me nyuam. Ntawm lwm yam, cov kab mob txaus ntshai vim hais tias lawv muaj peev xwm kom ua tau ib tug ntau yam ntawm arbitrary kev ua tsis muaj tus neeg siv kev paub, li no yuav ua tau rau kev puas tsuaj mus rau lub computer software.
Yog li ntawd computer kab mob. Lawv faib yog dog dig reminiscent ntawm ib tug txhij txhua thiab ncauj lus kom ntxaws systematization kev lom tsab. Khoos phib tawj kab mob yuav tsum coj lawv mus rau ib tug tej system. Ua tau, raws li nyob rau hauv lub nram qab no nta:
- ib puag ncig;
- txoj kev ntawm kab mob uas heev ib puag ncig;
- ntau hom tug peevxwm;
- cov yam ntxwv ntawm lub mechanism ntawm qhov kev txiav txim ntawm tus kab mob no.
Tam sim no kuv qhia txog txhua feature nyob rau hauv kom meej.
Vaj tse. Ib suam ntawm computer kab mob
Lawv yuav tsum tau muab faib mus rau hauv lub nram no:
Cov ntaub ntawv kab mob. Lawv muaj peev xwm muab los siv nyob rau hauv lub ua hauj lwm cov ntaub ntawv. Piv txwv li, *. BAT, * .dll, *. SYS, * .exe, * .com.
Khau raj kab mob. Ua rau lub disk khau raj sector (khau raj-sector) los yog nyob rau hauv cov kev sector uas muaj xws li ib tug system hard disk loader, ib tug thiaj li hu ua Master khau raj cov ntaub ntawv.
Macro kab mob. Mounted rau hauv lub system thiab khiav lag luam siv thiaj li hu ua macros (e.g., Excel, Lo lus).
Koj yuav tsum tau tsis nco qab txog qhov tseeb hais tias muaj kab mob ua ke. Raws li ib tug txoj cai, lawv yuav mus rau ib tug multipartite hom thiab kis tsis tau tsuas yog ncaj qha mus rau cov ntaub ntawv rau lawv tus kheej, tab sis kuj cov khau raj sector. Nyob rau hauv Feem ntau, cov kab mob muaj ib tug es nyuab mechanism ntawm qhov kev txiav txim, thiab feem ntau lub tsev nyob rau hauv xws li ib tug txoj kev raws li rau mus rau qhov system ntau li ntau tau tus thawj txoj kev, uas tiv thaiv lawv sai nrhiav kom tau.
Txoj kev ntawm kab mob. Ib suam ntawm computer kab mob
Pej xeem. Cov RAM tawm lawv nyob ib feem. Nws yog tom qab ib tug thaum pib rau tag nrho tswj tus operating system. Cov kab mob nyob twj ywm active txoj cai mus txog rau lub restart los yog shutdown.
Tsis nyob hauv lub xeev. Nws yog yuav luag ib pes tsawg daim ntawv ntawm yav tas los sawv daws yuav, tiam sis tsis txhob kis tau rau lub cim xeeb, thiab nyob twj ywm active tsuas yog ib yam, feem ntau tsuas siv lub sij hawm ntawm lub sij hawm.
Ib suam ntawm computer kab mob, muab lawv puas muaj peev xwm
Phem. Kiag li tsis muaj kev cuam tshuam lub lag luam ntawm tus dais. Lub tsuas rho tawm - heev sai sai kis thiab txo tus nqi ntawm cov dawb nco rau koj tsav nyuaj.
Tsis-tej. Nws muaj feem xyuam rau tus nqi ntawm cov dawb nco, thiab yuav nyiam ib tug ntau yam los ntawm, raws li ib tug txoj cai, lub suab los yog graphics.
Nyaum. Ua loj disruptions nyob rau hauv lub lag luam ntawm lub tshuab.
Ultra-tej. Ua rau koj tsis muaj ntau yam kev pab cuam, ua kom puas cov ntaub ntawv, lwv cov ntaub ntawv tsim nyog mus ua kom tiav lub lag luam.
Hom computer kab mob raws li nws cov mechanism ntawm qhov kev txiav txim
Kab mob Khub. Tsim ib cov ntaub ntawv-satellites rau EXE cov ntaub ntawv. Lub npe tseem zoo li qub, tab sis qhov yuav ncua ntxiv yog hloov mus rau COM. Feem ntau, thaum twg koj khiav qhov no hom ntawm cov ntaub ntawv DOS chiv ntes thiab ua ib tug COM ntaub ntawv, piv txwv li tus kab mob no.
Virusy- "cua nab." Lawv yog ib tug ntawm cov variants ntawm luag cov kab mob. Sau koj tus kheej daim ntawv, txais tos COM EXE nyob rau hauv cov ntaub ntawv no yuav siv tsis tau.
Cab malware. Qhov no muaj xws li tag nrho cov neeg cov kab mob, uas rau ib co yog vim li cas muaj peev xwm tsis tau ntaus nqi yog mus rau tus thawj los yog feem thib ob ntawm no pab pawg neeg.
Network kab mob. Lawv paub txog kev muaj peev xwm mus tau rau hauv lub computer ntawm lub network thiab xa tawm cov ntawv luam ntawm nws tus kheej. Nws tsis thov mus ntaus kev pab.
Polymorphic kab mob. Tsis txhob muaj qhov cheeb tsam kafes, yog lossi hloov, ces thiaj yog dej num raws li cov neeg uas tsis yooj yim rau ntes.
Macro kab mob. Kis tau rau cov kev pab cuam sau nyob rau hauv ib tug kev hais lus.
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