1.1.1 Topic review

1. What is the purpose of the CPU?

• 1. a) Manage the input and output devices

• 1. b) Execute instructions and perform calculations

• 1. c) Store files

• 1. d) Display visual output on the screen

1. Which component of the CPU performs arithmetic and logical operations?

• a) ALU (Arithmetic Logic Unit)
• b) CU (Control Unit)
• c) Cache
• d) Registers

2. What does the Control Unit (CU) do?

• a) Perform mathematical calculations
• b) Store temporary data
• c) Manage the flow of instructions
• d) Store frequently accessed data

3. Which CPU component stores small amounts of frequently accessed data for quick retrieval?

• a) ALU (Arithmetic Logic Unit)
• b) CU (Control Unit)
• c) Cache
• d) Registers

4. What is the purpose of the Memory Address Register (MAR) in Von Neumann architecture?

• a) Store the result of arithmetic operations
• b) Hold the address of the currently executing instruction
• c) Store the memory data being read or written
• d) Store the address of the next instruction to be executed

5. Which component of Von Neumann architecture holds the actual data being read from or written to memory?

• a) ALU (Arithmetic Logic Unit)
• b) CU (Control Unit)
• c) MDR (Memory Data Register)
• d) Accumulator

6. What is the function of the Program Counter (PC) in Von Neumann architecture?

• a) Perform arithmetic calculations
• b) Store frequently accessed data
• c) Keep track of the address of the current instruction
• d) Hold the result of logical operations

7. Which CPU component is responsible for temporarily storing intermediate results during calculations?

• a) ALU (Arithmetic Logic Unit)
• b) CU (Control Unit)
• c) Cache
• d) Registers

8. What is the purpose of the Accumulator in Von Neumann architecture?

• a) Store the address of the next instruction to be executed
• b) Hold the result of logical operations
• c) Perform arithmetic calculations
• d) Store the memory data being read or written

9. What is the function of the Memory Data Register (MDR) in Von Neumann architecture?

• a) Hold the address of the currently executing instruction
• b) Store the memory data being read or written
• c) Perform arithmetic calculations
• d) Manage the flow of instructions