1.1 - CPU

The purpose of the CPU is to ____. 

• Process data and instructions

• Store data

CPU carries out a cycle called___. 

• Execute-decote-fetch
• Fetch-decode-execute
• Fetch-execute-decode
• Decode-execute-fetch

A CPU can contain one or more processing units. Each unit is called a ___.This is one of the  key factors about CPU architecture that affect its performance.

• Core
• Intel
• AMD
• Megabite

This term refers to the number of F-D-E cycles PER SECOND carried out by the CPU

• Cache size

• Core

• Intel

• Clock Speed

____ is a small amount of memory which is a part of the CPU - closer to the CPU than RAM.

• Cache
• Core
• Intel
• Clock speed

Describe the purpose of the ALU within the CPU

• Carrying out arithmetic i.e. calculations and logic comparisons i.e. is one number larger than another

• Controls the flow of data around a computer. Fetches and decodes using system buses

• Stores frequently accessed data

• Stores programs, data and instructions currently in use

___ are circuits on the motherboard that connect the CPU to other components. There are many ____ on the motherboard. 

• Cores
• Buses
• Hard drives
• Clocks

A clock speed of 500Hz means...

• 500 cycles per second
• 5000 cycles per minute
• 5 cycles per hour
• 50 cycles per minute

____is the world's largest manufacturer of PC microprocessors and the holder of the x86 processor architecture patent.

• IBM
• Apple
• Intel
• Compaq

Describe the purpose of the Control Unit within the CPU

• Fetches the data/instructions, decodes it and sends the signals via buses to the hardware components.

• Carries out calculations and comparisons, to see if one value is larger than another.