OCR J277 Unit 1.1 System Architechture

The CPU is:

• Control processing unit

• Centralised process unit

• Central process unified

• Central processing unit

The processor…

• Carries out instructions

• Is main memory

• Is secondary storage

• Is an input device

The main computer components are:

• Input/Output/CPU/Main memory

• CPU/Main memory/Secondary storage

• Input/Output/CPU/Main memory/Secondary storage

• CPU/Main memory/Secondary storage

This is secondary storage:

• CPU

• GPU

• USB

• RAM

The 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 time

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