CPU Revision

1. What is an operating system?

• A collection of programs that help maintain the system

• A collection of programs that manage and control the computer

• Another name for the CPU

• A small amount of high speed memory contained within the processor

What is clock speed measured in?

• Bytes

• Hertz

• Seconds

• Nibbles

Which of the following are components of the central processing unit (CPU)?

• Registers, read only memory (ROM) and cache

• Registers, read only memory (ROM) and arithmetic logic unit (ALU)

• Registers, cache and arithmetic logic unit (ALU)

• A second processing unit within a control unit (CU)

Which central processing unit (CPU) component makes logical decisions?

• Control unit (CU)

• Cache

• Arithmetic logic unit (ALU)

• A system that has many processors

What is a register?

• A small amount of high speed memory contained within the processor

• A small part of the cache

• A small computer that forms part of a larger system

What is a core?

• A second processing unit within a control unit (CU)

• A system that has many processors

• A processing unit within a CPU

• Arithmetic logic unit (ALU)

What are the three types of buses?

• Address, control and instruction

• Address, control and data

• Address, data and instruction

What is the name of the cycle that a CPU follows to run instructions and

process data?

• The data cycle

• Fetch-execute-decode

• Fetch-decode-execute

• The wolf cycle

Which register holds the address of the next instruction to be fetched from

memory?

• Program counter

• Memory address register (MAR)

• Current instruction register (CIR)

What is this?

• Cooler

• Fan with metal

• Heat sink

• Heatsync and fan