Its purpose is to control the device and to allow a user to interact with it.
Embedded System
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CPU
Central Processing Unit
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ALU
Arithmetic Logic Unit
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RAM
Random Access Memory
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ROM
Read-Only Memory
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It is used to temporarily hold instructions and data that the CPU is likely to reuse.
Cache
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It is the brains of a computer.
Central Processing Unit
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A register in which intermediate arithmetic logic unit results are stored.
Accumulator
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Stores the address of each instruction and tells the CPU in what order they should be carried out.
Program counter
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MDR
Memory Data Register
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MAR
Memory Address Register
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Register
Registers are small amounts of high-speed memory contained within the CPU. They are used by the processor to store small amounts of data that are needed during processing.
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What are the effects of using a processor with more cores?
More instructions can be carried out simultaneously
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What are the effects or using a processor with a faster clock speed?
More instructions carried out per second and so instructions are executed more quickly.
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What are the effects of using a processor with a bigger cache?
More space for frequently used data, more storage for faster access than from RAM.
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