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1.1 SYSTEMS ARCHITECTURE - Coggle Diagram
1.1 SYSTEMS ARCHITECTURE
1.1 Architecture of the CPU
Purpose of the CPU
Executes instructions
Registers of the CPU ( Von Neumann Architecture)
The same address is used to store data and instructions
Components of the CPU
ALU
Performs arithmetic calculations
Performs Bit shifts
Cache
Fast access to frequently used calculations
Control Unit
Keeps the internal systems in sync
1.2 Factors affecting the CPU performance
Cache size
Clock speed
1.3 Embedded systems
Registers
Program Counter
Holds the address of the next piece of data
MDR
Holds the current piece of data being accessed
ALU
Performs logic operations
MAR
Holds the address of the current piece of information being accessed