Practice Special Purpose Registers (19.2.2) - Introduction to the CPU - Computer Organisation and Architecture - Vol 1
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Special Purpose Registers

Practice - Special Purpose Registers

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Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What is the function of the Instruction Register (IR)?

💡 Hint: Think about which register is responsible for executing the instruction.

Question 2 Easy

What does the Program Counter (PC) do?

💡 Hint: It is vital for the sequence of instructions in program execution.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the primary function of the Instruction Register (IR)?

A: It holds the current instruction being executed.
B: It records the next instruction to be executed.
C: It stores data temporarily.

💡 Hint: Remember, it's about the instruction.

Question 2

True or False: The Program Counter (PC) directly executes instructions.

True
False

💡 Hint: Consider the role of the PC carefully.

2 more questions available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

Analyze a scenario where the Program Counter (PC) isn't incremented correctly during a program execution. Describe its impact on the CPU's operations.

💡 Hint: Think about the sequence of operations in programs.

Challenge 2 Hard

Devise a brief explanation of how the interaction between MAR and MDR would differ in a write operation versus a read operation.

💡 Hint: Focus on the purpose of the data flow in each operation type.

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