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Auto /Automatically Scroll ( Ctrl + Shift + H ) up Arrow down Arrow
Computer Compute Computer Compute , , , , IBM (International
Business Machine) -
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http://tanbircox.blogspot.comComputer 1. Input Device. , , , , 2.
Central Processing Unit (CPU)3. Output Device. , , 4. Want more
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http://tanbircox.blogspot.comDeference Between Computer & Human
Being: Analog ComputerDigital Computer Hybrid Computer|Note : . . .
. , 5. Want more Updates http://facebook.com/tanbir.ebooksfacebook
/gmail/skype: - http://tanbircox.blogspot.comClassification Of
Digital Computer:Super Computer. Cray-1, Cyber-205.Mainframe
Computer. UNIVAC 1100/11, IBM 6120, NCR N8370, IBM 4341.Miniframe
Computer. PDP 11, NOV A3, IBM S/34, IBM S/36.Micro Computer. , :
Apple 64, IBM PC, TRS 80 6. Want more Updates
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http://tanbircox.blogspot.com () () Bit Binary Bi Digit t Bit 0 1
Bit Kilobytes (KB) & Megabytes (MB), Gigabytes (GB), Terabytes
(TB) , 8 Bit= 1 Byte [1 Byte = 1 Character]1024 Byte = 1
Kilobyte(KB)1024 Kilobyte = 1 Megabyte (MB)1024 Megabyte = 1
Gigabyte (GB)1024 Gigabyte = 1 Terabyte (TB)Speed of a
ComputerMeasured by system clock frequencyHzKHz = 1000 Hz 7. Want
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1000,000,000 HzTHz = 1000,000,000,000 HzMIPS (MILLION INSTRUCTIONS
PER SECOND) isanother measurement of cpu speed.There are two parts
of a Computert , Hardware Computer HardwareCasePower Supply 8. Want
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Mouse Reset switch Scanner Hard drive Network card Floppy Modem
CD/DVD Sound cardSerial ports Video card Parallel port RAM USB port
Motherboard Monitor Fan Printer Cables 9. Want more Updates
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http://tanbircox.blogspot.comWhat is CablingFor items in or
attached to a system to work properly they must be securely
connected. 10. Want more Updates
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http://tanbircox.blogspot.comWhat is MotherboardThe motherboards
main job is to hold the computersmicroprocessor chip and let
everything else connect to it.Everything that runs the computer or
enhances itsperformance is either part of the motherboard or plugs
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http://tanbircox.blogspot.comSoftware : , . ( memory) RAM, ROM|. (
memory) , , RAM (Random Access Memory) (Volatile) Input Device RAM
, RAM - ( Write Memory) RAM 12. Want more Updates
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, Computer - ROM - , , Computer Disk Disk 1. Floppy Disk2. Hard
Disk. Disk Compact Disk (CD). :Floppy Disk:1.44 Megabyte (MB) [ For
31/2 Floppy Disk ]Compact Disk:150 Megabyte (MB) 800 Megabyte
(MB)Hard Disk:15 Gigabyte (GB) 800 Gigabyte (GB)DVD Disk:700
Megabyte (MB) 12 Gigabyte (GB)Operate () Operating System Operating
System Operating System Operating System Operating 13. Want more
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Dos Windows Microsoft Corporation Operating System.
WindowsOperatingSystem -Gi Application Software DOS (Disk
OperatingSystem)-Gi Application Software DOS Command DOSCommand -
Microsoft Corporation Windows Operating System Application Software
Mouse Keyboard mg^q 14. Want more Updates
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http://tanbircox.blogspot.com Windows 98, Windows 2000, Windows ME.
Windows XP. Windows NT. , , , , , Autoexec.bat, Config.sys Casing
Box Power Switch ON Folder/Icon Windows Desktop Screen Power On
Windows OperatingSystem Screen Windows OperatingSystem My Computer
My Computer , My Documents My Computer Document 15. Want more
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http://tanbircox.blogspot.comRecycle Bin Recycle Bin Recycle Bin
Empty Taskbar Windows () Ber Windows TaskBar. Start Button Windows
Taskbar START OperatingSystem Shutdown, Run, Search/Find Programs,
Documents, Settings Using of Start Button: , Opening Calculator:
Start > Programs > Accessories > Calculator Opening a word
processing program: Start > Programs > Accessories >
WordPad Open Paint Program: Start > Programs > Accessories
> Paint Right Button New Folder 16. Want more Updates
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Recycle Bin Right Button Yes Folder Right Button Properties General
OK Start Shut Down Shut Down Choose OK AT Casing Its now save to
turn off your computer ATX Casing Its now save to turn off your
computer 17. Want more Updates
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http://tanbircox.blogspot.comHow To Restart A Computer? Start Shut
Down Restart Choose OK - - Windows 95keyboard -1. Alphabetic key :
A, B, C, D ...........Z2. Numeric key : 0, 1, 2, 3, 4,
...........93. Function key : F1, F2, F3, F4 .........F124.
Movement key : , , , 5. Special key : Home, Insert, End, Pause
Break, Page Up, Page Down etc.6. Command key : Alt (Alter), Ctrl
(Control), SH (Shift)Function Key :Key-board F1 F12 (Shift, Alt,
Crtl key) mg^q Alphabetic Key :Key-board A to Z Numeric Key
:Key-board !, @, #, $, %, ^, &, *, (, ) - (:) (;) Character
Shift Key 18. Want more Updates
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Key, Cancel KeyI : Word Perfect Shift Key :- Caps key off Capital
Letter mg^q , - Alt Key :Key-board Alt m^wjZ , mg^q Ctrl Key :Ctrl
- mg^q Caps Lock Key :Caps or Caps Lock - Caps Lock Key. - Caps
Lock, caps lock off Caps Lock on Insert Key : Type Over mode off/on
Insert Key Insert - Type overmode Type over mode Type overmode text
text , bv^vi Insert Key Enter Key : 19. Want more Updates
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, Tab Key : - Shift Key Backspace Key :Function Key F12 - Delete
Key :Key Board , ,bv^vi , Numlock off Arrow Key :Keyboard Spacebar
Arrow -1. Up Arrow Key ()2. Right Arrow Key ()3. Down Arrow Key
()4. Left Arrow Key () Arrow - Up Arrow Print Screen Key : Display
Pause Key :Pause Button ; Pause Key 20. Want more Updates
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bv^viwU End Key :End Page Up Key :Page Up Page Down Key :Page Down
Spacebar Key :Keyboard j^vKwZi Numeric Keypad :Keyboard Numeric
Keypad. Num Lock Num Lock Key on Numeric Key Num Lock Key off
Numeric Key Num LockKey off Numeric key Shift Key Numeric Key Arrow
Key Arrow Shift Key -Num Lock on Shift Arrow Key Numeric Numeric
Keypad. 21. Want more Updates
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