ससससस सससससससससससस ससससस सससससससससस सससस बबबबब बब बबबबबबबब बबबबबबबबब बबबबबबबबब स-सससस ससससससससस ससससससस, ससससस
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- ,
?
What is computer ?
Types of computer
Components of computer
Hardware
Software
Computer memory
Files and folders
Introduction about Operating system
, , | , -
ATM
|
?
"(Electronic) /(Device), (\)\\ |
Computer , ' ' , ,
C = Commonly O = OrientedM = MachineP = ProperlyU = Used forT = TrainingE = EducationR = Research
|
4
LCD( )
LED ( )
( ) ( ) ( ) ( )
:- CPU | , | CPU , , , | |
:-
| | , | - - | |
) (CPU -Central Processing Unit, Processor):
, | | , CU- , ALU- , MU- | - , -, -, - -
) (MU) : | - BYTES | | |
0.11 bit4 bits1 nibble8 bits1 byte1 byte1 character1024 bytes1 Kilobyte (KB)1024 KB1 Megabyte (MB)1024 MB1 Gigabyte (GB)1024 GB1 Terabyte (TB)
( RAM-Random Access Memory):
RAM , | CPU | 64 MB 16 GB .
( ROM-Read Only Memory) :
|
| | | RAM , | CD ROM, DVD ROM ,FLOPPY DISK |
:-
- Report.doc
.doc - MS Word File .txt Notepad File .xls - Excel sheet File .html - Webpage File .ppt PowerPoint File
:-
, - , , ,
( ) ( ) (DOS)
XP, WINDOWS 7, WINDOW 8
WINDOWS 7 23 2009
xp
xp 7 xp , , xp , , 7 ,
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