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Chapter 3 :- Input and Output Devices

 Chapter 3 :- Input and Output Devices Summary  The devices that allow such input and output are known as input/ output devices in short I/O devices) or peripherals. Input/output devices are means of communication between the user and computer.  Input Devices :-  An input device is a device that provides input to the computer. The most common input devices are keyboard and mouse.  Following is the list of different input devices used with computers:  1. Keyboard  2. Point and draw devices  3. Scanning devices  4. Electronic card based devices  5. Speech recognition devices  6. Vision based devices Output Devices :-  Computer calculated results must be provided to its users. The devices that provide output to the users are called output devices. Following list presents different output devices:  1 Monitor  2 Printer  3 Projector  4 Plotter  5 Voice response Choose the most appropriate option from those given below:   (1) Which of the following refers to data and instructions that are gi

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