Q-1) Write down the three basic function of a computer?

Ans.) The three basic function of a computer are -

1. Input.
2. Processing.
3. Output.

Q-2) How does a computer system work?

Ans.) A computer system work with the help of Hardware software.

Q-3) Write two parts of a computer system?

Ans.) The two parts of a computer system are -

Hardware and Software

Q- 4) What is a peripherals of a computer?

Ans.) The additional parts which can also be attached to a computer.

Q-5) Write 3 peripherals of a computer?

Ans.) The 3 peripherals of a computer Printer, Modem, Scanner, etc.

Q-6) What is the use of input devices? write its two type.

Ans.) The devices through which we enter data and instruction into the the computer are called input
devices .e. g . keyboard and mouse.

Q-7) Write three pointing devices name?

Ans.) The three pointing devices are -

1. Mouse.
2. Trackball.
3. light pen. 

Q-8) Who was the inventor of (QWERTY) keyboard?

Ans.) Sir christopher latham sholes was the inventor of (QWETRY) keyboard.

Q-9) What do you mean by pointing devices?

Ans.) The other input devices which do not require typing input
Data they are called input devices.

Q-10) Who the father of Pentium?

Ans.) VINOD DAHAM was the father of Pentium.

Q-11) What is a soft copy?

Ans.) The Output that we get on a paper is called the soft copy.

Q-12) Different between CRT AND LCD monitor?

Ans.) Both CRT AND LCD monitor produce sharp images, but LCD monitors have the average of being much thinner, lighter and consume less electricity. CRT monitor, how ever ,are generally less expensive ,but consume more electricity.