20605341
Description
Flashcards by Adam Davies, updated more than 1 year ago
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Created by Adam Davies
over 4 years ago
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| Question | Answer |
| What is the purpose of the Program Counter? | The program counter stores the memory address of the instruction for each cycle. |
| What is the purpose of the Accumulator? | The Accumulator is a register which stores intermediate results from the ALU. |
| Where is the Cache located? | The Cache is located within the CPU, close to the processing cores. |
| What are the 3 levels of Cache? | L1 - Fastest but lowest capacity L2 - Slower than L1 but higher capacity L3 - Slower than L2, but highest capacity |
| What are registers? | Registers are volatile forms of memory which can only hold small amounts data but at extremely fast speeds. |
| State the purpose of the Control Unit. | The Control Unit controls the flow of data within the CPU. |
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