1.1 Systems architecture Lessons 2 & 3

Processor doesn’t do the following

• Process data

• Execute instructions

• Execute data

• Operate in Hz

The part of a processor in which instructions are executed is known as?

• Core

• Centre

• Execution

• Instruction centre

What acts as an intermediary between the processor and the main memory?

• Bus

• User

• Cache

• Clock

What is held in cache?

• All the programming instructions

• Commonly used instructions and data

• Instructions that have been processed

• Data that hasn’t been used for a long tim

This would perform an operation such as 5+8 ?

• Arithmetic Logic Unit

• Accumulator

• Cache

• Control Unit

What is held in ROM?

• Data currently in use

• Bootstrap loader

• Instructions frequently used

• Operating System

This carries address of the next instruction that will be fetched.

• Address bus

• Data bus

• Control bus

• System bus

What is a property of an address bus?

• Carries data and instructions

• Uni-directional

• Bi-directional

• Carries control signals

What is transferred down the data bus?

• Data only

• Addresses only

• Data and instructions

• Data, instructions and addresses

What accurately describes a peripheral?

• A component of a computer system

• A device that is not directly connected to the CPU

• A device that is directly connected to the CPU

• A device that is plugged in