fetch-decode-execute cycle

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what does the program counter store?
the address of the next instruction
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In the fetch part of FDE cycle what bus does it use to collect data from the memory?
address bus
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what is the key difference between von Neumann and Harvard architecture?
Harvard uses two seperate buses for data and instructions
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what does MAR stand for?
memory address register
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What does the MAR do?
holds the memory location of data
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MBR
Memory Buffer Register
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what is the use of the mbr?
to temporarily store data whilst it's waiting to be processed
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what is the use of the ALU
where arithmetic and logic problems are performed
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Other cards in this set

Card 2

Front

In the fetch part of FDE cycle what bus does it use to collect data from the memory?

Back

address bus

Card 3

Front

what is the key difference between von Neumann and Harvard architecture?

Back

Preview of the front of card 3

Card 4

Front

what does MAR stand for?

Back

Preview of the front of card 4

Card 5

Front

What does the MAR do?

Back

Preview of the front of card 5
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