Mixed questions for computer science paper 1

Which of the following is NOT a component of computer networks?

• Protocols

• Layers

• Browsers

• Memory and Storage

What is the primary purpose of a CPU in a computer?

• To provide external storage

• To manage the computer's power supply

• To execute instructions and process data

• To output video to the monitor

Which of the following is a common component of a CPU?

• Keyboard

• Registers

• Mouse

• Speakers

What is the fetch-execute cycle?

• A method to cool down the CPU

• A process to increase CPU speed

• The cycle a CPU uses to retrieve and execute instructions

• A technique to reduce power consumption in computers

What does the Von Neumann architecture imply about the location of data and instructions in a computer system?

• Data and instructions are stored in separate parts of RAM.

• Data is stored in RAM and instructions are stored in the CPU.

• Data and instructions are both kept in the same part of RAM.

• Data and instructions are stored on the hard drive.

What is the primary role of the CPU in a computer system?

• To manage the computer's power supply.

• To complete the fetch-execute cycle.

• To store data permanently.

• To output data to the monitor.

Which of the following best describes the "fetch" step in the fetch-execute cycle?

• The computer stores the instruction in memory.

• The computer fetches the next instruction to be executed from memory.

• The computer outputs the instruction to the display.

• The computer writes data to the hard drive.

In the fetch-execute cycle, what does the "decode" step involve?

• The computer converts the instruction into machine language.

• The computer performs the instruction.

• The computer decodes the instruction it just fetched.

• The computer sends the instruction to the output device.

During the "execute" step of the fetch-execute cycle, what action does the computer take?

• The computer saves the instruction in the RAM.

• The computer decodes the instruction again.

• The computer executes the instruction it decoded.

• The computer fetches another instruction.

What is the primary function of the Arithmetic Logic Unit (ALU) in a CPU?

• To manage the power supply to the CPU

• To complete all the arithmetic and logical operations

• To connect the CPU to the output devices

• To store data temporarily