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2 cards from this section. Quick, good the night before a test.
What does the program counter do?
Think about where the next instruction is located.
Name one function of the Memory Buffer Register.
Consider its role during reading and writing operations.
What is the main function of the Program Counter (PC)?
Think about where the processor looks for the next instruction.
True or False: The Memory Address Register (MAR) holds the instruction currently being executed.
Remember what each register specifically holds.
Consider a system where the fetch cycle is interrupted. Discuss potential issues that might arise and how to mitigate them.
Think about what happens when instructions can’t be fetched in order.
Create a flowchart detailing the fetch cycle, indicating all key components and their interactions.
Focus on how each component interacts in sequence.
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