Enrol to start learning
Reading is open to everyone. Enrolling is free, and it is what unlocks the audio lessons, practice tests and progress tracking.
7.6.2. Instruction Phases
This section
Practice test
12 questions on this section. Wrong answers show you what to read again.
Sign up to take itWhole chapter
Revision test
Mixed questions from across the chapter. Your answers get marked.
Sign up to take itQuick
Flashcard drill
3 cards from this lesson. Good the night before a test.
Try these first
- 1.
What are the four phases of the instruction cycle?
Hint
Remember the acronym F-D-E-S.
- 2.
Define a macro instruction.
Hint
Think about how macro instructions differ from micro instructions.
- 3.
What are the four phases of the instruction cycle?
- Fetch
- Decode
- Execute
- Store
- Read
- Process
- Store
- Output
- Fetch
- Execute
- Decode
- Run
Hint
Remember the order of executing an instruction.
- 4.
True or False: Micro instructions require multiple clock cycles to execute.
- True
- False
Hint
Think about how micro instructions are defined.
- 5.
Describe a scenario where a macro instruction would require optimization using clock grouping. Provide details on the instructions involved.
Hint
Think of how two separate data movements can happen at the same time without conflict.
- 6.
Explain how complex macro instructions can impact CPU performance and how micro instructions can alleviate these issues.
Hint
Consider the time savings from separating complex tasks into smaller, manageable parts.
Exercises
Total Questions
2
Estimated Time
4 min
Passing Score
70%
Instructions
- Read each question carefully
- You can use hints if you need help
- Complete all questions before submitting
4 more questions available
Enrol freeQuiz
Total Questions
2
Estimated Time
4 min
Passing Score
70%
Instructions
- Read each question carefully
- You can use hints if you need help
- Complete all questions before submitting
2 more questions available
Enrol freeChallenge Problems
Total Questions
2
Estimated Time
4 min
Passing Score
70%
Instructions
- Read each question carefully
- You can use hints if you need help
- Complete all questions before submitting