computer

Computer
1. Introduction
2. Input devices
3. Output devices
4. CPU
5. Memory
6. Control Unit
7. Arithmetic Logic Unit
8. MS Office word excel power point
9. Extension names
10. Windows shortcut keys
11. Full forms
12. Number system
13. Binary octal decimal Hexadecimal
14. Internet


Introduction
Computer 4 names

 Computer is a electronic device
 Data processor-computer data dks process djds information
esa cnyrk gS blfy, bls Data processor dgrs gSaA
 Programmable machine computer eas task gj dks perform
djus ds fy, program t:jr gksrh gSA
tSls documents ds fy, MS Word t:jr gksrh gSA
ds fy, Account t:jr Tally gksrh gSA
ds fy, Video t:jr Vlc gksrh gSA

, blfy, bls Programmable Machine dgrs gSaA
 Information machine -
Data computer raw fact called data input. Data is
always meaningless
Two types data
 Numeric—0---9 mathamatics calculation perform ----Rupees
 Non numeric –mobile no, Home no
Data--- processing--- information
Input data 2*3+4 ---- information 10 ds fy, t:jr gksrh
gSA
blfy, bls Data processor dgrs gSaA
 information meaningful. ges’kk gksrh gSA
Input data dks process djds information esa cnyk tkrk gSA bls
information processing cycle dgk tkrk gSA
Note- Computer esa data input device ds }kjk input fd;k
tkrk gSA


Input device
1. Keyboard
2. Mouse
3. Joystick
4. Trackball
5. Light pen
6. Scanner
7. ORC
8. OMR
9. BCR
10. MICR