CPU Instruction Set Architecture Quiz

What is the primary function of registers in a CPU?

• To store data temporarily

• To execute instructions

• To manage power supply

• To connect to external devices

What does RTL stand for in the context of CPU architecture?

• Real-Time Logic

• Register Transfer Language

• Register Timing Logic

• Register Transfer Logic

Which of the following is NOT an example of a microoperation?

• Clear

• Store

• Load

• Shift

What is the purpose of a multiplexer in a digital system?

• To increase memory capacity

• To select between multiple input signals

• To perform arithmetic operations

• To store data permanently

What does a three-state buffer do when the control input is set to 0?

• Connects to the ground

• Enables the output

• Disables the output

• Increases the output voltage

In memory operations, what does a read operation do?

• Transfers data to memory

• Transfers data from memory to the outside environment

• Clears data in memory

• Stores data in a register

Which operation is performed to complement the contents of a register?

• Addition

• Subtraction

• XOR with ones

• AND with zeros

What is the result of the operation R3 ← R1 + R2 + 1?

• R1 minus R2

• R1 plus R2 plus 2

• R1 plus R2

• R1 plus the 2's complement of R2

What is the function of a binary adder-subtractor?

• To perform both addition and subtraction

• To convert binary to decimal

• To perform only addition

• To store binary numbers

Which of the following is a basic arithmetic operation?

• Addition

• Multiplication

• Division

• All of the above