15.1.4 - Memory Data Register Operations
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Practice Questions
Test your understanding with targeted questions
What is the function of the Memory Data Register?
💡 Hint: Think about what happens just before data moves to/from memory.
Define indirect addressing.
💡 Hint: What does it mean if an address points to another address?
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does indirect addressing refer to?
💡 Hint: Remember the relationship between addresses.
True or False: Register indirect addressing always executes faster than indirect addressing.
💡 Hint: Think about the number of accesses involved.
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Challenge Problems
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Explain how the performance of a CPU changes when using indirect vs register indirect addressing in terms of cycle count.
💡 Hint: Consider how data retrieval processes differ between methods.
Compute the potential time savings in execution cycles when switching from indirect to register indirect addressing.
💡 Hint: Quantify how direct multiple accesses affect performance.
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