Information Technology Glossary

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What is an input device?

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a term for a physical piece of hardware that connects to a primary device, such as a computer, in order to provide user input. Input devices are generally a class of peripheral devices that connect to the primary device. Top examples include: Keyboards. Mouse devices

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What is an output device?

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hardware device used to send data from a computer to another device or user. Usually, most output peripherals are meant for human use, so they receive the processed data from the computer and transform it in the form of audio, video, or physical reproductions.

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a display device which allows the user to interact with a computer by touching areas on the screen

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Touch Screen

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specification that combines video and audio into a single digital interface for use with digital versatile disc (DVD) players, digital television (DTV) players, set-top boxes, and other audiovisual devices.

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HDMI Connector

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What is a keyboard?

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a panel of keys that operate a computer or typewriter.

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Touch Screen

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a display device which allows the user to interact with a computer by touching areas on the screen

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What is an Operating System?

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the software that supports a computer's basic functions, such as scheduling tasks, executing applications, and controlling peripherals.

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What is a sensor?

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a device which detects or measures a physical property and records, indicates, or otherwise responds to it.

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What is a spreadsheet?

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an electronic document in which data is arranged in the rows and columns of a grid and can be manipulated and used in calculations.

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What is a database?

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a structured set of data held in a computer, especially one that is accessible in various ways