List all the hardware components of a computer. Give their significance.

Q. List all the hardware components of a computer. Give their significance.

Answer :-

• Monitor :- Monitor (or "screen") is the most common form of output from a computer. It displays information in a similar way to that shown on a television screen. The picture on a monitor is made up of thousands of tiny colored dots called pixels.

• Keyboard :- Keyboard is a typewriter like device which is used to type in the letters, digits and commands.

• Mouse :- Mouse is pointing device with either a roller on its base or some laser mechanism. Mouse controls movement of pointer (also called mouse pointer) on screen.

• Speaker :- Speakers receive the sound in form of electric current from the sound card and then convert it to sound format audible to user.

• Microphone :- We can send sound input to computer through a special input device called microphone or mic in short. A mic converts the sound received into computer's format, which is called digitized sound or digital audio.

A mic can work if your computer has a special hardware known as sound card.

• Printers :- Printers are the devices that deliver information by means of printed characters on paper.