Asomi Education Service. Basic Computer Notes

 1) What is a Computer?

Ans: - Computer is a advance electronic device. Which can process the data to raw information into refine information to give us meaningful result.


2) Who is father of Computer?

Answer: Charles Babbage is the father of Computer. Born: 26 December 1791 London United Kingdom, died: 18 October 1871, Marylebone London united Kingdom.

3) How many parts of a computer?

Answer: there are six parts of a Computer. These are                                            1) Monitor

                                                                                                              2) CPU

                                                                                                              3) Keyboard

                                                                                                              4) Mouse

                                                                                                              5) UPS

                                                                                                                6) Speaker 

4) How many parts of a Computer CPU?

Answer:                   1) Motherboard

                                2) Hard Drive (disk)

                                3) Memory (Ram)

                                4) Processors

                                5) S.M.P.S (Power supplies)

                                6) DVD/CD ROM Burners

                                7) Cabinet

                                8) Floppy disk

                                9) Cooling fan 

5) What is software?

Answer: The components of a Computer which we can’ not touch is called software.



6) What is hardware?

Answer: The component of a Computer which we can touch is called hardware.



7) How many types of software?

Answer: there are three types of software. These are                             1) Operating System software.

                                                                                                                2) Application software

                                                                                                                3) Utility software 




Utility software Examples

8) How many types of memory?

Answer: There are two types of memory. These are:-

                Primary memory:             1) Ram  2) Rom

                Secondary memory:         1) HDD  2) SSD








9) How many types of input and output device?

Answer: there are two types of input and output device. These are:-

Input device: -                   1) Mouse             2) Keyboard

Output device: -                1) Speaker           2) Monitor 

10) How many type of Computer?

Answer: there are four types of computer. These are:-

1) Mini computer.                 3) Mainframe computer.

2) Micro computer.               4) Super Computer.

11) What is full form of computer?

Answer:                   C = Commonly, O = Operated,   M = Machine,    P = Particularly,   U = Used for

                                T = Technology,  E = Education,    R = Research,

12) What is a Lan?

Answer: 

A local area network (LAN) is a collection of devices connected together in one physical location, such as a building, office, or home. A LAN can be small or large, ranging from a home network with one user to an enterprise network with thousands of users and devices in an office or school.

Full Meanings

  1. LCD        :               Liquid crystal display
  2. LED         :               Large electronic display
  3. CRT        :               Cathode ray tube
  4. RAM      :               Random access memory
  5. ROM      :               Read only Memory
  6. CPU       :               Central processing unit
  7. CD          :               Compact disk
  8. DVD       :               Digital Video Display
  9. O.S         :               Operating System
  10. USB        :               Universal Serial Buss
  11. BIOS      :               Basic input output System
  12. MS.DOS:              Microsoft-Disk operating system
  13. SRAM    :               Static Random Access Memory
  14. DRAM   :               Dynamic Random Access Memory
  15. PROM   :               Programmable Read only Memory
  16. EPROM :               Erasable Programmable Read only Memory
  17. EEPROM:             Electrical Erasable Programmable Read only Memory
  18. SMPS    :               Switch Mode power supply
  19. IDE         :               Integrated Drive electronic
  20. PS           :               Personal System
  21. LAN        :              Local area network

Short Key of Keyboard

  1. Ctrl + A                                 =             All Select
  2. Shift + Arrow                     =             One Letter Select
  3. Ctrl + Shift + Arrow          =             One word Select
  4. Ctrl + C                                  =             Copy
  5. Ctrl + X                                  =             Cut Copy
  6. Ctrl + V                                 =             Paste
  7. Ctrl + shift + >                    =             Word Size Big
  8. Ctrl + shift + <                    =             Word size small
  9. Ctrl + B                                  =             Bold
  10. Ctrl + I                                   =             Italic
  11. Ctrl + U                                 =             Underline
  12. Ctrl + s                                  =             Save
  13. Ctrl + N                                 =             New page
  14. Ctrl + O                                 =             Open page
  15. ESC                                         =             cancel option chart
  16. Alt + Space                          =             Restore, Move, Size, Minimize, Maximize,
  17. Alt + Tab                              =             maximize page
  18. Alt + F4                                 =             Closed
  19. Ctrl + Shift + A                   =             Word capita and small letter.      

13) How to mouse use?
  1. Place your thumb on the desk or the tabletop on the left side of the mouse.
  2. Your index finger (pointer) should rest on the left button of the mouse.
  3. Place the middle finger on the right button of the mouse.
  4. Your ring finger and little finger (pinkie) should rest on the right side of the mouse.
  5. Your palm should cup the end of the mouse gently.
  6. The base of your wrist should rest on the mouse pad or the desktop




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