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Mrs. Saima Tahir Miss.Ammara Irshad - PowerPoint PPT Presentation
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Mrs. Saima Tahir Miss.Ammara Irshad. Topic: Computer Input Devices. Contents. Definition of Input Devices Types of Input Devices Key Board Mouse Scanner Micro Phone Light Pen. Objectives. Students will be able to
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Mrs. Saima TahirMiss.Ammara Irshad
Topic: Computer Input Devices
Contents
- Definition of Input Devices
- Types of Input Devices
- Key Board
- Mouse
- Scanner
- Micro Phone
- Light Pen
Objectives
Students will be able to
- Define Input devices
- Recognize different types of input devices
e.g. key board, mouse, scanner, microphone and light pen.
Definition
An input deviceis any peripheral (piece of computer hardware equipment) used to provide data and control signals to an information processing system.
The set of typewriter-like Keys that enables you to enter data into a computer. Key Board
Device that controls the movement of the cursor or pointer on a display screen. Mouse
A scanner is a device that captures images from photographic prints, posters, magazine pages, and similar sources for computer editing and display. Scanner
An instrument that converts sound waves into an electric current, usually fed into an amplifier, a recorder, or a broadcast transmitter.Micro Phone
A small, photosensitive device connected to a computer and moved by hand over an output display in order to manipulate information in the computer.Light Pen
