Punjab Computer Science Online 9th Class Test Lesson 3 Input output Devices

In the Subject, Computer Science of 9th Class “Input Output Devices”  provided the deep information about the all input Device and Output devices of Computer, Because computer have many Input and Output Devices like Monitor, Mouse, Keyboard, Speaker, CD Drive, Printer and ETC. Input Device: An input device is any piece of computer hardware equipment that used to provide data and control signals to an information processing system, Output Devices: An output device is any piece of computer hardware equipment used to communicate the results of data processing carried out by an information processing system.

Input output Devices Lesson 3 Computer Science Online Test 9th Below

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