In computer input unit is defined as an input device, a piece of computer hardware apparatus used to supply a data processing system including a computer or information device with control and data signals.
Examples of input device: Mouse, keyboards, scanners, joysticks, and digital cameras.
Output device
An output device is any device that is used to transmit a computer’s data between devices or client. The bulk of computer output data designed for people is in audio or video format.
Examples of output device: Projectors, monitors, microphones, printers and headphones.
Processing unit
A piece of hardware that handles all the instructions of a computer program is the CPU (central processing unit) of a computer. It performs a computer system’s basic logical, arithmetical and input/output functions.
the input allows the user to send data processing system including a computer or information device with control and data signals.
ex: keyboard, mouse, joy stick, scanner, barcode reader elcc
and the output completes the task related to the data. it forms images by converting electrical energy into light in the form of tiny dots on the screen called pixels.
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Input device
In computer input unit is defined as an input device, a piece of computer hardware apparatus used to supply a data processing system including a computer or information device with control and data signals.
Examples of input device: Mouse, keyboards, scanners, joysticks, and digital cameras.
Output device
An output device is any device that is used to transmit a computer’s data between devices or client. The bulk of computer output data designed for people is in audio or video format.
Examples of output device: Projectors, monitors, microphones, printers and headphones.
Processing unit
A piece of hardware that handles all the instructions of a computer program is the CPU (central processing unit) of a computer. It performs a computer system’s basic logical, arithmetical and input/output functions.
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the input allows the user to send data processing system including a computer or information device with control and data signals.
ex: keyboard, mouse, joy stick, scanner, barcode reader elcc
and the output completes the task related to the data. it forms images by converting electrical energy into light in the form of tiny dots on the screen called pixels.
ex: monitor, printer, speakers, projector etc!