What are the purpose of input devices and output devices in computer system? | web4study

What are the purpose of input devices and output devices in computer system?



Input devices

 

Purpose of Input devices:

Input devices are the physical equipment which is used to read or translate data consisting of alphabets, numbers or other symbols into electronic impulses which can be understood by the computer.

The purpose of input devices is to pass information to the memory unit of the CPU and convert the characters (letters, numbers, and other symbols) into binary patterns, which can be held inside the computer memory. Example: Keyboard, Mouse, Light pen

 

Purpose of Output Devices:

The purpose of the output devices is to convert data and information expressed in electronic impulses to human understandable forms such as a printed report. An output device can be used to display or print the intermediate or final results performed by the computer.

A variety of output devices are used with a computer. The use of these devices depends on the type and purpose of output. Example: Monitor, Printer


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