Understanding the CPU and Its Functions

What does CPU stand for?

• Central Programming Unit

• Central Processing Unit

• Computer Processing Utility

• Central Peripheral Unit

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

• Searching

• Sorting

• Painting

• Calculating

What is the correct order of the fetch–decode–execute cycle?

• Fetch, Execute, Decode

• Decode, Fetch, Execute

• Fetch, Decode, Execute

• Execute, Fetch, Decode

Which part of the CPU directs the flow of data and instructions?

• Arithmetic Logic Unit (ALU)

• Control Unit (CU)

• Registers

• The Clock

What does the Control Unit (CU) do when an interrupt occurs, such as a mouse click?

• Ignores it

• Handles it

• Sends it to the printer

• Stores it in the hard drive

Which component performs calculations and logic operations in the CPU?

• Control Unit (CU)

• Arithmetic Logic Unit (ALU)

• Registers

• The Clock

Which of the following is NOT a function of the ALU?

• Add numbers

• Compare values

• Store files permanently

• Perform logic operations

What is the main purpose of registers in the CPU?

• Store large files

• Store small, temporary values

• Control the monitor

• Increase internet speed

Which register holds the current instruction being executed?

• Accumulator (ACC)

• Program Counter (PC)

• Instruction Register (IR)

• Memory Address Register (MAR)

What does the Program Counter (PC) store?

• The result of ALU operations

• The address of the next instruction to be executed

• The current instruction

• The speed of the CPU