31.3.1 - Control Unit Summary
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Practice Questions
Test your understanding with targeted questions
What does the MAR stand for?
💡 Hint: Think about what register holds the address information.
What does the MDR do?
💡 Hint: Remember its role when discussing memory operations.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does the MAR hold?
💡 Hint: Think about the role of the address in accessing memory.
True or False: The MDR is used to store control signals.
💡 Hint: Remember what tasks the MDR is assigned.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
Design a CPU model that effectively uses both MAR and MDR and illustrate how an instruction is executed step-by-step in both a single and three-bus architecture.
💡 Hint: Focus on how the instruction moves through the system.
Analyze the efficiency of using control signals in a three-bus architecture compared to a single-bus architecture when executing a large instruction set.
💡 Hint: More signals mean greater complexity; contrast with speed of execution.
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