OCR GCSE Computer Science Revision Part 1

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Type of computer that has a specific purpose
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The "brain" of a computer, processes data and instructions
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Manages the fetch deconde execute cycle and controls the flow of data inside the CPU
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Very fast memory in the CPU to store recently used data and instructions
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Stores the result of calculations in the ALU
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The physical components that make up a computer system
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Secondary storage used as extra RAM
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Type of storage used in a hard disk
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Start-up instructions stored in ROM
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most common character set
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base 16 number system
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units for sample rate
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number of bits for each sound sample