Q. Codes consisting of light and dark marks which may be optically read is known as

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Q. A device for converting handwritten impressions into coded characters & positional coordinates for input to a computer is

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Q. A pen shaped device which can sense light, and is used to point at spots on a video screen.

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Q. A stand-alone system which produces one page of printed output at a time is

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Q. Which printer uses a combination of laser-beam & electro photographic techniques.

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Q. The output quality of a printer is measured by

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Q. Which of the following is not an output device of a computer?

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Q. The _____________ pen is a small input device used to select and display objects on a screen.

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Q. The joystick is a ____________ stick that moves the graphic cursor in the direction the stick is moved.

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Q. ___________________ consists of a spherical ball, which moves within a socket and has a stick mounted on it.

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Q. The user moves the Trackball with the help of the stick that can be moved _________________________, to move and position the cursor in the desired location.

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Q. Joysticks typically have a button on __________that is used to select the option pointed by the cursor.

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Q. The ____________ is a pointing device that is much like an inverted mouse.

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Q. A web camera is a video capturing device attached to the computer system, mostly using a _________________.

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Q. Web camera is used for video _____________.

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Q. Scanning devices are input devices used for direct data entry from the source document into the ______________________ .

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Q. With the help of the _______________ you can capture your images and documents and convert it into digital formats for easy storage.

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Q. There are two types of scanners_______________ .

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Q. _______________ contact scanners make contact as they are brushed over the printed matter to be read.

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Q. _____________ scanners are more versatile and can read data passed near the scanning.

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