Practice Instruction Format And Operation Codes (15.7) - Computer Organization and Architecture: A Pedagogical Aspect

Practice: Instruction Format and Operation Codes

Lesson 15.7Computer Organization and Architecture: A Pedagogical Aspect

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9 questions

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3 cards from this section. Quick, good the night before a test.
Exercise
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Quiz
3 questions · about 2 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What does the opcode of an instruction indicate?
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Think about what the CPU needs to understand to execute a command.
Question 2.
What is the purpose of the Instruction Register (IR) in a CPU?
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Consider where instructions are stored temporarily during execution.
3Question 3.
What is the function of the Instruction Register?
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Think about where the current instruction is stored.
4Question 4.
The opcode part of an instruction tells the CPU to perform which action?
- Store Data
- Control Memory
- Specific Operation
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What kind of instruction are you being asked to interpret?
Question 5.
Design an instruction set for a hypothetical CPU that can perform four distinct tasks: read, write, add, and subtract. Assign opcodes and describe the roles of each instruction.
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Consider what actions each instruction needs to perform on data.
Question 6.
Given that a CPU runs at 2 GHz and executes 18 cycles per operation, calculate the total execution time for a set of instructions.
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What relationship do frequency and time share here?

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