, . , , , , , . , , , .
. (desktop) (tower) . , , : (big tower), (midi tower) (mini tower). , , (slim). . mini tower. , , . .
, , -. . -: AT . - - () , .
, , . 200-250 .
. . :
(portable), ;
(laptop), ;
(notebook), ;
(pocket), .
.
. ,
, .
(mother board) , , . . :
, ;
, ;
( , ) , , ;
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( ) , , ;
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(, . ROM, Read Only Memory ) , , . BIOS . .
BIOS (Basic Input/Output System) -. BIOS , , , .
-, , , ( ) .
BIOS . BIOS , , , . BIOS - ( ). , .
BIOS MOS RAM (CMOS - Complementary Metal Oxide Semiconductor).
CMOS ( ) - , CMOS Setup Utility. . CMOS- , . -, , ,