LESSON -1 {BASIC OF COMPUTER}
Charles Babbage, FRS was an English polymath. He was a mathematician, philosopher, inventor and mechanical engineer, who is best remembered now for originating the concept of a programmable computer
- COMPUTER EXPLANATION :C-commonly ,O-Operating, M-Machine ,P-Particularly U-Used ,T-Trade ,E-Education ,R-Research.
Computer Definition : Computer is electronic data processing Device Store
Large amount of data TO Processing high speed
2 Computer Input :
- Keyboard
- mouse
- joystick
- lightpen
- track ball
- scanner
- micro phone
- magnetic ink card reader (MICR)
- OPTICAL CHARACTER READER (OCR )
- Bar code reader
3 Computer Output :
- monitor
- printer
4 SYSTEM UNIT : Computer parts
- motherboards
- processor
- ram (RANDOM ACCESS MEMORY)
- Hard disk
- DVD Writer
- cabinet
- smps (SWITCH MODE POWER SUPPLY)
5 Motherboard Parts
Motherboard is the main board in the computer,It holds the CPU ,and the other components in a computer .it is placed safely and securely inside the computer cabinet
- on board device inter face
- AGP Slot
- Pci Bus
- Heat sink & processor
- Ram slot
- Floppy interface
- ide interface
- post display(old)
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By,
Blu-Tech Ramakrishnan
Mobile : +91-9840287239
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