The Champion Computer cs&it

**Summary of Generations of Computer** *there are divided into 5 types of computer generation- 1. First Generation (1945-54) :- *

**Computer full forms (Specific)** 1. COMPUTER -  C- Common O- Operating M- Machine P- Particularly U- Used for T- Trade E- Education  R- And Research.  2. CPU -  Central Processing Unit. 3. ALU - Arithmetic Logic Unit. 4. RAM -  Random Access Memory. 5. SRAM- Static Random Access Memory. 6. DRAM- Dynamic Random Access Memory. 7. ROM- Read Only Memory. 8. PROM- Programmable Read Only Memory. 9. EPROM-  Erasable Programmable Read Only Memory. 10. EEPROM- Electrically Erasable Programmable Read Only Memory. 11. CD-  Compact Disc 12. DVD-  Digital Versatile/Video Disc. 13. BCD- Binary Coded Decimal. 14. ASCII- American Standard Code For Information Interchange. 15. DOS- Disk Operating System. 16. CLASS-  Computer Literacy And Studies in School. 17. DTP- Disk Top Publication. 18. FAX- Far Away Xerox. 19. HLL- High Level Language. 20. LLL- Low Level Language. 21. LAN-  Local Area Network. 22. MAN- Metropolitan Area Network. 23. WAN- Wide Area...

-Specific tasks of computer- **Specific tasks performed by a computer** 1. Data Input 2. Data Processing 3. Data Storage 4. Data Output. 1. Data Input - *when raw data entered by the input device of the computer on which is processing to be done that is called input data. **for example :- input devices as- keyboard, mouse, scanner, joystick, etc. 2.Data Processing - *When the Instructions given by the user are execution and converted into information, it is called data processing. **this process under the micro processor of the computer. *** for example:- difference types of micro processor as - dual core, core 2duo, core i3, i7, i9 and AMD. 3. Data Output - *Displaying the information in front of the user after processing that is called output. ** for example :- output devices as- monitor, sound, printer. 4. Data Storage - * Storing all the inputs and programs given by the user permanently or temporarily that is called data storage. ** H...

**Brief  history of computer in one line fact** 1. Abecus -  *In about 1600 AD. **It was the world's first computer which was made to calculate numbers. e.g. : Calculator. ***Inventor: Tim Cranmer.

  -Keyboard  shortcut keys with one line- **This keyboard shortcut keys are work all applications** ctrl+X - to cut text. ctrl+C - to copy text. ctrl+V - to paste text. ctrl+Z - to undo text. ctrl+Y - to redo text. ctrl+B - to Bold text. ctrl+I  - to Italic text. ctrl+U - to Underline text. ctrl+F  - to Find text. ctrl+H - to Replace text. ctrl+G - to goto the page. ctrl+N - to new file/document. ctrl+O - to open file/document. ctrl+A  - to Selecte All ctrl+S  - to save file/document. ctrl+P  - to Print. F7        - to check Spelling  Grammar. F5        - to Refresh page. F12     - to Save as file/document. F2       - to Rename file/document.  F11      - to Full Screen/to exit full screen. ctrl+R - to open Ruler/to exit ruler. (mspaint) ctrl+page up       -         to zoom in.(mspaint) ctrl+page down...