31.2 - Instructions and Execution
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Practice Questions
Test your understanding with targeted questions
What does MDR stand for and its role?
💡 Hint: Think about what the data register does.
How many buses does a single bus architecture use?
💡 Hint: Remember the word 'Single'.
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the primary function of the MDR?
💡 Hint: It holds data, not executes instructions.
In a three-bus architecture, control signals are:
💡 Hint: They guide the data flow.
2 more questions available
Challenge Problems
Push your limits with advanced challenges
Explain a situation where a three-bus architecture would not be more efficient than a single bus architecture in terms of step count.
💡 Hint: Think of how straightforward tasks can be done quickly with less friction.
Design a hypothetical CPU instruction that utilizes the ALU in both single and three bus architectures. Discuss the efficiency of each.
💡 Hint: Map out which components interact and compare each architecture's flow.
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