Practice - Program Counter and Instruction Fetching
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Practice Questions
Test your understanding with targeted questions
What does the SUB M instruction do?
💡 Hint: Think about what it means to subtract in programming contexts.
What role does the program counter play in instruction fetching?
💡 Hint: What would happen if this counter didn't work properly?
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What does the opcode 0 signify?
💡 Hint: Think about instructions that redirect program flow.
True or False: The accumulator is used to store intermediate results in the CPU.
💡 Hint: Recall the role of the accumulator in performing calculations.
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Challenge Problems
Push your limits with advanced challenges
Construct an assembly language program that computes the Fibonacci sequence using the given instruction set.
💡 Hint: Identify how Fibonacci's nature (adding two numbers) can be formally represented in your instruction set.
Evaluate the effectiveness of using only 16 instruction codes in a single cycle CPU. What improvements could be envisioned?
💡 Hint: Reflect back on how higher instruction count could alleviate limitations found in this context.
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Reference links
Supplementary resources to enhance your learning experience.