Computer Science Quiz (Hardware)

What is the main function of the CPU?

• Store data

• Process instructions

• Display information

• Connect to the internet

Which component is known as the 'brain' of the computer?

• RAM

• Hard Drive

• CPU

• Power Supply

What does the Control Unit (CU) do?

• Executes arithmetic operations

• Manages the execution of instructions

• Stores data permanently

• Transfers data between storage devices

What is the function of the Arithmetic Logic Unit (ALU)?

• Manages hardware components

• Executes arithmetic and logical operations

• Controls external devices

• Stores instructions temporarily

Which bus carries control signals?

• Data Bus

• Address Bus

• Control Bus

• Power Bus

What is the function of the Address Bus?

• Carries control signals

• Stores instructions

• Transfers memory addresses

• Performs calculations

Which of the following is a step in the Fetch-Decode-Execute Cycle?

• Store

• Fetch

• Transfer

• Load

What does the term 'clock speed' refer to in a CPU?

• The time a CPU remains active

• The number of instructions processed per second

• The power consumption of a CPU

• The temperature of the CPU

What is the purpose of cache memory?

• Permanent storage

• Store frequently used data for quick access

• Manage external connections

• Control the power supply

How does a multi-core processor improve performance?

• By reducing power consumption

• By processing multiple instructions simultaneously

• By increasing storage capacity

• By improving internet connectivity