Practice - Purpose of Registers
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Practice Questions
Test your understanding with targeted questions
What does the program counter hold?
💡 Hint: Think about where the CPU looks for its next instruction.
What is the function of the MAR?
💡 Hint: What helps the CPU find where to look in memory?
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Interactive Quizzes
Quick quizzes to reinforce your learning
What does the program counter do?
💡 Hint: Think about what the CPU needs to find next in memory.
True or false: The MAR can contain data as well as addresses.
💡 Hint: What role does MAR play regarding memory?
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Challenge Problems
Push your limits with advanced challenges
Analyze what would happen if there was a conflict between the MAR and MBR operations during a fetch cycle.
💡 Hint: Consider why timing is critical in the fetch cycle.
Design a hypothetical situation where the PC might not point to a valid instruction address. What implications would this have?
💡 Hint: What checks should be in place to ensure PC validity?
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Reference links
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