Practice Single Address Instructions (26.1.1)

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6 sample questions

Question 1.
What is an accumulator?
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Think about where the CPU stores temporary values.
Question 2.
Explain a single address instruction.
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Consider what the instruction might look like with one operand.
3Question 3.
What does an accumulator do?
- Stores intermediate results
- Operates independently
- Is a secondary memory
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Think about why we would need to keep track of values in programming.
4Question 4.
True or False: Single address instructions can reduce the number of instruction cycles for complex operations.
- True
- False
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Reflect on how many steps you need to manage the accumulator.
Question 5.
Given the equation A = (B + C) * D, describe the assembly language steps using single address instructions.
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Follow the order of operations carefully.
Question 6.
Compare the efficiency of single address instructions with three address instructions using a real example.
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Think about how many times you'd need to free the accumulator in each method.

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