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Input & Output

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Nayera Badr

on 4 October 2016

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Transcript of Input & Output

Processing Devices
CPU (Central Processing Unit)
GPU (Graphics Processing Unit)
Keyboard - INPUT
The keyboard is one of the primary input devices used with a computer that looks similar to those found on electric typewriters, with some additional keys.
Webcam - INPUT
A webcam is a hardware camera connected to a computer that allows anyone connected to the Internet to view either still pictures or motion video of a user or other object.
Printer - OUTPUT
A printer is an external hardware output device responsible for taking electronic data stored on a computer or computing device and generating a hard copy of that data. Printers are one of the most commonly used peripherals on computers and are commonly used to print text and photos. 
Scanner - INPUT
Scanners allow a user to take a printed picture, drawing, or document and convert it into a digital file (either an image or a text file) so that it can stored, viewed, and edited on a computer. 
Speakers - OUTPUT
A speaker is a term used to describe the user who is giving vocal commands to a software program. A hardware device connected to a computer's sound card that outputs sound generated by the computer.
Input & Output

USB - Storage Device
USB, short for Universal Serial Bus, is an industry standard developed in the mid-1990 that defines the cables, connectors and communications protocols used in a bus for connection, communication and power supply between devices
R.O.M & R.A.M
Read Only Memory (ROM) is a type of non-volatile memory used in computers and other electronic devices.
A Random Access Memory (RAM) device allows data to be read or written in almost the same amount of time.
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