Practice Introduction To Instruction Formats (26.1) - Single Address Instructions

Practice: Introduction to Instruction Formats

Lesson 26.1Single Address Instructions

Practise this section

9 questions

Flashcard drill
3 cards from this section. Quick, good the night before a test.
Exercise
6 questions · about 4 min · pass mark 70%. Hints available.
Sign up to start the exercise
Quiz
3 questions · about 2 min · pass mark 70%. Hints available.
Sign up to start the quiz

6 sample questions

Question 1.
Define 'Accumulator'.
Show hintHide hint
Think about where temporary results are held during computations.
Question 2.
What is a single-address instruction?
Show hintHide hint
Consider how many operands are specified in a single-address command.
3Question 3.
What is an accumulator?
- A permanent storage device
- A temporary holding area for operation results
- An instruction format
Show hintHide hint
Think about where the CPU would hold data temporarily.
4Question 4.
True or False: Zero-address instructions are explicitly defined with memory addresses.
- True
- False
Show hintHide hint
Consider how values are managed in a stack-based environment.
Question 5.
Analyze a scenario where a single-address instruction could lead to inefficiency compared to a two or three-address instruction. Provide a coding example to illustrate your point.
Show hintHide hint
Assess how each format could change the complexity and clarity of the code.
Question 6.
Given the expression E * (F - G) using both single-address and zero-address formats, detail the difference in approach for both methods.
Show hintHide hint
Think about how the operations are streamlined differently between formats.

5 more questions in this section. Enroll free to practise them all.