AL期末2

The register that holds the address of the next instruction to be processed is called the __________

The component that stores the address of where data or an instruction is located in RAM is called the __________

Data is stored in the __________ before it is fetched into the CPU.

The ALU needs the __________ to store interim results of calculations during the fetch-execute cycle.

What is the role of the control bus?

• To increase the speed of data transfer

• To transmit signals to and from the processor

• To carry addresses

• To carry data items

What is the primary function of the data bus in a computer system?

• To carry data between the processor and other components

• To carry control signals

• To carry power to the components

• To carry addresses

Which component of a computer system is responsible for executing instructions?

• Memory

• Processor

• Data Bus

• Control Bus

What is the primary function of the control unit in a CPU?

• To perform arithmetic operations

• To manage the execution of instructions

• To store data temporarily

• To connect the CPU to external devices

Which bus is responsible for carrying data between the CPU and memory?

• Address Bus

• Data Bus

• Control Bus

• Power Bus

A component that sends signals to control the interactions

of all other components during the fetch-execute cycle.