Define the Input Unit, Output Unit and the Processing Unit

By Ruchika|Updated : September 5th, 2022

Input Unit, Output Unit and Processing Unit are all different parts of the computer. The input unit refers to the data that is received by the computer whereas the output unit refers to the data received by the user. A processing unit is responsible for handling all the instructions and data received by the computer.

Input Unit, Output Unit and the Processing Unit

In order for a computer to function well, it has different types of units which perform different functions. These computer functions are defined as input unit, output unit and processing unit.

Input Unit

The input unit of a computer refers to the input device, which is the hardware used to receive data from humans. Input devices convert data by humans into a form which is understandable by computers. Examples of input units are mouse, joystick, keyboard, scanner, etc.

Output Unit

Output unit refers to the output devices that are used to communicate data from computers to users. These include hardware that transmits data from computers in a form which is understandable by humans. Examples of output units are microphones, monitors, printers, headphones, etc.

Processing Unit

The processing Unit is also known as the Central Processing Unit (CPU) which handles all the instructions received by the computer and processes them to produce the desired results. The processing unit performs logical, arithmetical and input & output functions.

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FAQs

  • Input Unit, Output Unit and Processing Unit are different components of the computer. The input unit is the data received by the computer. The output unit refers to the data sent by the computer. A processing unit handles all the instructions and various different functions of the computer.

  • The input unit refers to the data that is received by the computer whereas the output unit refers to the data received by humans. Both use the hardware for their functions. A processing unit is responsible for performing various functions like logical and mathematical functions of the computer.

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