Practice Memory Operations: Read And Write (12.1.6) - Fetch Cycle - Computer Organisation and Architecture - Vol 1

Practice: Memory Operations: Read and Write

Lesson 12.1.6Fetch Cycle

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9 questions

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6 sample questions

Question 1.
What does the Program Counter (PC) do?
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Think of what keeps track of where the processor is going next.
Question 2.
What is the purpose of the Memory Buffer Register (MBR)?
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Consider what registers hold things while they're being moved.
3Question 3.
What does the Program Counter (PC) hold?
- The current instruction
- The address of the next instruction
- The result of the last operation
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Remember what the PC's primary role is.
4Question 4.
True or False: The Memory Buffer Register (MBR) holds the instruction before it is executed.
- True
- False
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Think about where instructions are stashed before they get used.
Question 5.
Suppose the fetch cycle takes four clock cycles. If the control signals are malfunctioning, what might happen?
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Consider the importance of control signals in initiating actions.
Question 6.
Given a sequence of operations (fetch from address X, increment PC, fetch from address Y), explain each operation's significance without conflicts occurring.
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Examine how operations are dependent on one another.

5 more questions in this section. Enroll free to practise them all.