13.2.4 - Stage 3: Result Storage
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Practice Questions
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What does the PC do?
💡 Hint: Think about what keeps track of the instruction sequence.
What is the purpose of the Instruction Register?
💡 Hint: What does the CPU work on at any given moment?
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Interactive Quizzes
Quick quizzes to reinforce your learning
What is the role of the Program Counter (PC)?
💡 Hint: Think about its job of keeping things in order.
True or False: Control signals determine when data can be retrieved from memory.
💡 Hint: What guides the timing of events in the CPU?
2 more questions available
Challenge Problems
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How would the execution process change if the CPU did not have a dedicated Memory Address Register (MAR)? Explain the implications.
💡 Hint: Consider how the CPU currently quickly accesses addresses and what impact misaddressing could have.
Given an instruction cycle, simulate the increment of the PC and the flow of data from the MDR to the IR. Describe the signals that guide this process.
💡 Hint: Trace the exact steps from the start to the end of the instruction cycle and keep an eye on the signals.
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