OCR CS GCSE: 1.1 Systems Architecture

What are processors speed measured in?

• Hertz

• Bites

• Bytes

• Seconds

Data and instructions in use are stored in the:

• Processor

• Embedded System

• Hard Disk Drive

• Main Memory

What doesn’t affect the performance of the computer?

• Clock Speed

• Number of Cores

• Cache Size

• The number of instructions in the program

Which is an example of an Embedded System?

• Laptops

• Tablets

• PCs

• Washing Machine

What is a system that does one job?

• Desktop System

• Embedded System

• Operating System

• Point of Sales System

Processor don’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 of the programming instructions
• Commonly used instructions and data
• Instructions that have been processed
• Data that hasn’t been used for a long time

What does CPU stand for?

• Central Processing Unit
• Computer Protocol User
• Cool Pokemon Unit
• Computer Processing Unit