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Input devices
Input device is very important for our PC. Choose the right card.
Question | Answer |
---|---|
Scanner | It uses light-sensing equipment to convert images such as a picture or text into electronic signals that can be manipulated by a computer. |
Mouse | It is a pointing device designed to be taken by one hand. To select items or choose commands on the screen, the user presses a button on it. |
Keyboard | It is a typewriter-like device that allows the user to type in text and commands to the computer. |
Microphone | It is a device for converting sound into signals than can then be stored, manipulated, and played back by the computer. |
Printer | It takes text and image form a computer and print them on paper. |
Modem | This device, which stands for modulator-demodulator, is a device that connects a computer to a telephone line or cable television network and allows information to be transmitted to or received from another computer. |
Video display | It converts information generated by the computer into visual information. They commonly take one of two forms: a video screen with a cathode ray tube (CRT) or a video screen with a liquid crystal display (LSD). |
Voice recognition module | It is a device that converts spoken words into information that the computer can recognize and process. |