Chapter 2

The four basic functions of computing are input, processing, output, and storage.

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An Xbox controller is an example of an output device.

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A microphone is used to input sound.

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CPUs can carry out more than one million instructions.

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The instructions in ROM change frequently once this memory is placed on the motherboard.

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Because programs today are complex, they need large amounts of RAM to run properly.

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• I don't know Mr. T :(

Output is the results of the computer's processing.

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The operating system is responsible for coordinating data processing.

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Because they are binary, computers recognize only two possible values.

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A bit can have a value of 1 or 0.

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