Quiz on Fetch decode execute

What is the role of the arithmetic logic unit in the execution phase?

• To store data

• To decode instructions

• To perform calculations

• To fetch instructions

What is the main function of the control unit in the fetch-decode-execute cycle?

• To execute instructions

• To fetch data

• To decode instructions

• To store data

What happens during the execute phase of the cycle?

• Instructions are fetched

• Instructions are decoded

• Instructions are executed

• Instructions are stored

Explain the role of the Control Unit (CU) in the CPU.

• It performs arithmetic operations.

• It manages the execution of instructions.

• It stores data temporarily.

• It connects the CPU to external devices.

Pipelining improves CPU performance by allowing multiple instructions to be processed simultaneously. What does it mean for a CPU to be ‘fully pipelined’?

• It allows multiple instructions to be processed simultaneously.

• It increases the clock speed of the CPU.

• It reduces the power consumption of the CPU.

• It enhances the storage capacity of the CPU.

Which device is used to input data into a computer system?

• Output Device

• Memory Unit

• Input Device

• Control Unit

Which part of the CPU is responsible for fetching instructions?

• Arithmetic/Logic Unit

• Control Unit

• Memory Unit

• Output Device

Which of the following tasks is NOT a function of the CPU?

• Searching

• Sorting

• Printing

• Calculating

Which of the following tasks is the control unit responsible for?

• Handling hardware interrupts

• Storing large amounts of data

• Printing documents

• Managing internet connections

The control unit handles hardware interrupts from which of the following?

• Printers

• Monitors

• Mouse and keyboard

• Speakers