Practice Increment Operation (16.2.2) - Instruction Design - Computer Organisation and Architecture

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6 sample questions

Question 1.
What does INR stand for?
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Think about what happens when you add one.
Question 2.
What operation does DCR perform?
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Remember it reduces the value.
3Question 3.
What is the purpose of the INR instruction?
- To increment a value
- To load a value
- To decrement a value
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Think about what increment means mathematically.
4Question 4.
True or False: The DCR instruction is used to add one to a value.
- True
- False
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Consider the meaning of 'to decrement'.
Question 5.
Write a simple program using INR and DCR that counts from 10 to 1 and prints each number.
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Visualize how a countdown works.
Question 6.
Explain how you would implement a simple counting loop using JNZ to keep iterating until a counter reaches 0.
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Think of a while loop in programming.

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