Practice Instruction Formats (18.4.5) - Addressing Modes, Instruction Set and Instruction Execution Flow
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Instruction Formats

Practice - Instruction Formats

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

Define what an instruction format is.

💡 Hint: Think about how each part of an instruction works together.

Question 2 Easy

What is the purpose of an opcode?

💡 Hint: Remember, it tells the CPU what action to take.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What does ‘opcode’ refer to in an instruction?

A type of addressing mode
The part of instruction that specifies the operation
A storage element

💡 Hint: Think about what directs the CPU in performing tasks.

Question 2

True or False: Addressing modes only refer to how data is stored in memory.

True
False

💡 Hint: Consider the role of accessing in processing.

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Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Construct a simple program in assembly that uses at least three different addressing modes and explain each mode used.

💡 Hint: Think about different ways you can reference data in your code.

Challenge 2 Hard

Design a new instruction format for a custom CPU architecture that optimally balances between opcode size and operand addressing space.

💡 Hint: Consider how the number of bits affects operation and addressing capability.

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