CPU and System Bus Quiz

What does the system bus connect?

• CPU to memory and other hardware

• CPU to the internet

• CPU to the monitor

• Memory to the keyboard

What is the function of the address bus?

• Transfers data between CPU and memory

• Stores data in the CPU

• Locates the memory address

• Carries control signals

Which bus is responsible for transferring actual data?

• Data Bus

• Control Bus

• Internal Bus

• Address Bus

What does a wider address bus allow?

• Access to more memory locations

• Slower data transfer

• Access to fewer memory locations

• Increased CPU temperature

What is the maximum memory addressable by a 32-bit processor?

• 16 GB

• 4 GB

• 2 GB

• 8 GB

What is the word length of a 64-bit processor?

• 128 bits

• 16 bits

• 64 bits

• 32 bits

What is the first step in the Fetch-Execute Cycle?

• Decode the instruction

• Execute the instruction

• Fetch the instruction

• Store the result

What does the control bus carry?

• Data from memory

• Read/Write Control Signals

• Addresses of memory

• Instructions from the CPU

In the instruction 'LOAD R1, num1', what does the address bus do?

• Indicates a write operation

• Specifies that memory location num1 will be used to get data

• Transfers data to R1

• Fetches the instruction

What is the role of the data bus in the STORE instruction?

• Transfers the instruction to memory

• Carries control signals

• Transfers data from CPU to memory

• Locates the memory address