Question

Describe the function of all parts of computer like Monitor, Keyboard, Mouse, Modem,CPU,Speaker and Printer.

Answer 1

monitor is a output device which display information in pictorial form
keyboard is input device which we use to type letter and numbers on computer
mouse is used to select icons directly on computer
modem is a conversion device that convert signal from one device signal to another device signal it can read

Answer 2

1)A computer monitor is an output device which displays information in pictorial form. 
2)  A computer keyboard is an input device used to enter characters and functions into the computer system by pressing buttons, or keys. It is the primary device used to enter text.
3) A mouse is a handheld pointing device used to position a cursor on a computer screen. This allows the user to select items stored on a computer and, subsequently, perform actions on those items.
4) A modem is a device or program that enables a computer to transmit data
5) The central processing unit (CPU) of a computer is a piece of hardware that carries out the instructions of a computer program. It performs the basic arithmetical, logical, and input/output operations of a computer system
6) Speakers are popular output devices used with computer systems. They receive audio input from the computer's sound card and produce audio output in the form of sound waves.
7) A printer is a device that accepts text and graphic output from a computer and transfers the information to paper