Input Output Devices
• Any device that can feed data or information to a computer system is referred to as an input device
• Any device that can be used to output information from the computer system is known as an output device.
• Allows the user to interact with the computer
• The computer uses Input devices to input data and information and Output devices to output information
Inputs
Inputs are the signals or data received by the system. to perform an input operation. Input devices are used by a person (or other system) to communicate with a computer. For instance, keyboards and mouses are considered input devices of a computer.
Mouses and keyboards take as input physical movement that the human user outputs and convert it into signals that a computer can understand. The output from these devices is input for the computer.
Input devices used to input data into the computer in the form of machine code
Outputs
After processing input by the system it delivers as output. The computer uses output devices to transfer information to the environment and the user. This includes display screens, printers, plotters, and Disk etc..
Output devices used to output information to users or other machines
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