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10718892
Unit 1.1
Description
Year 11 Computing Mind Map on Unit 1.1, created by Georgios Mikalef on 05/10/2017.
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computing - unit 1.1 : system architecture
computing
year 11
Mind Map by
Georgios Mikalef
, updated more than 1 year ago
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Created by
Georgios Mikalef
about 7 years ago
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Resource summary
Unit 1.1
CPU
Fetch, decode, execute instructions
inside a CPU
Core
More cores can do more things all at once
dual, quad, octa cores
ALU
Performs logical operations such as -,+,÷,×
Performs arithmetic calculations
Control unit
Controls flow with in the CPU and data
Tells the inputs and outputs what to do with the instructions
Cache
Registers
Memory address register
Memory data register
Program counter
Accumulator
Value being worked on
Provides temporary storage for the CPU
Embedded System
A computer system built into a device which does one task over and over again
Cheap, reliable and easy to code
E.g coffee machine toaster etc
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