Handout2

Hardware Devices

Keyboard is

   External input device that is used to type date to your computer. It includes numbers, letters, symbols and so on.

Mouse is computer mouse - a hand-operated electronic device that controls the coordinates of a cursor on your computer screen as you move it around on a pad; on the bottom of the device is a ball that rolls on the surface of the pad; "a mouse takes much more room than a trackball".

Joystick isA joystick is an input device commonly used to control video games.

Image ScannerDevice that is used to provide input by analyzing image, printed text, hand writing or an object.

Webcam Low resolution camera used to provide visual input that can be easily transferred over internet.

Monitor is (Visual Display Unit) is a display unit that used to display information in understanding format for the user.

Done by : Mr. Khalid Mohammed Al- Fajrani Subject: Information Technology

Printer is a device that accepts text and graphic output from a computer and transfers the information to paper.

Plotter isOutput device similar to printer but it is used to print larger image size.

Speaker is Output device that is used to produce audio output that can be heard by the listener.

Microphone is is an acoustic-to-electric transducer or sensor that converts sound into an electrical signal.

Done by : Mr. Khalid Mohammed Al- Fajrani Subject: Information Technology