Practice Memory Usage And Data Requirement (12.4.2) - Fetch Cycle - Computer Organisation and Architecture

Practise this section

9 questions

Flashcard drill
2 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
Sign up to start the exercise
Quiz
3 questions · about 2 min · pass mark 70%. Hints available.
Sign up to start the quiz

6 sample questions

Question 1.
What does the Program Counter (PC) hold?
Show hintHide hint
Think about what the PC is tracking.
Question 2.
What is the function of the Memory Address Register (MAR)?
Show hintHide hint
Consider what you need before interacting with memory.
3Question 3.
What does a Program Counter (PC) do?
- Stores the current instruction
- Holds the address of the next instruction
- Manages the CPU's clock speed
Show hintHide hint
Consider what keeps track of instruction sequence.
4Question 4.
True or False: The Memory Buffer Register (MBR) holds the address from which instructions are fetched.
- True
- False
Show hintHide hint
Think about what data's role is during fetching.
Question 5.
Given a scenario in which the PC is set to 100, describe the sequence of operations that will happen in the fetch cycle.
Show hintHide hint
Think about how the address you start from guides the operation sequences.
Question 6.
Analyze how multiple simultaneous accesses to the MBR could lead to data inconsistency.
Show hintHide hint
Consider the effects of two processes trying to use the same resource at once.

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