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4 Cards in this Set

  • Front
  • Back
The CPU is the brain of the computer and the perpose of the CPU is to process data
Fetch-fetch the data
Decode-is to make sense of the data just found
Execute-When data processing is taken place
The control unit has 3 main jobs-
it controls and monitors the hardware attached to the system to make sure the demands given to it by the application software are used .
It controls the input and out put of data so that the signals go to the right place at the right time.
To control the flow of the data in the CPU
The immediate access store-
This holds the data and programmes needed at that instant by the control unit.
The CPU reads data and programmes kept on the backing storage and stores them temporarily in the laS's memory.
ALU-The alu has 2 parts
1: The arrithmetic part which does excactly what you think it should
2:the logic part deals with the logic and comparrisons.
Clock speed-Clock speed is measured in cycles per second also known as 1 Hertz.
Dual cores- Dual cores contain two CPU's and a quad core holds 4.
The cache-Data is put into or stored into the hard drive and when we want to use that data it is loaded into RAM as it is faster.