Computer Terminology

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CPU

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The brain of the computer or Central Processing Unit. Also known as, the “brain” of the computer. (The most important part/component of a computer)

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Gigabyte

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Approximately a billion bytes (or 1,000) megabytes.

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ROM

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The permanent memory that is built in your computer. This is Read-Only Memory.

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Hardware

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The physical components of the computer system, such as the hard drive, disc drives, and modem.

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Compact Disc

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A disc on which a laser has digitally recorded information such as audio, video, or computer data.

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Megabyte

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Approximately a million bytes (a measure of storage).

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Software

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The programs or instructions that tell the computer what to do, such as word processors, spreadsheets, and databases.

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Input Device

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The hardware that is used to pass information into the computer, such as a mouse, keyboard, or microphone.

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Hard Disc

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A fixed, large-capacity magnetic storage medium for computer data; this is inside the computer.

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RAM

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The computer’s working memory, sometimes called Random-Accessed memory.