Smart Revise 3

The main components of a computer, including main memory and the processor are connected together by a series of what?

• Buses

• Pathways

• Connectors

• Interconnectors

This component performs calculations.

• Memory unit

• Control unit

• Decode unit

• ALU

The value in the program counter is passed to which register during a fetch operation?

• Memory address register
• Accumulator
• Program counter
• Memory data register

Which one of the following is least likely to affect the performance of the CPU?

• Clock Speed

• Choice of operating system

• Cache size

• Number of cores

Which of these is a function of the ALU?

• Arithmetic
• Control
• Cache
• Fetch

Removing the instructions being decoded and fetched in pipelining is called what?

• Forgetting

• Farming

• Flushing

• Flowing

Which bus carries signals to co-ordinate all of a computer activities?

• Data

• Control

• Address

• Serial

What is one purpose of the CPU?

• Execute instructions
• Optimise a set of instructions
• Prevent phishing
• Define a set of characters the computer understands

The three buses that make the systems bus.

• Address, Data, Control
• Serial, Data, Address
• Control, Serial, Address
• Control, Data, Serial

What is one purpose of the CPU?

• Portable storage medium

• Make a computer run faster

• Saves instructions

• Fetch Instructions