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Accumulator (ACC)
A register that temporarily stores the results of operations performed by the ALU
Address Bus
Carries the memory location address FINISH
Arithmetic and Logic Unit (ALU)
Part of the CPU that performs arithmetic calculations and logical operations on data for computer programs
Buses
Set of parallel wires connecting and carrying groups of bits between computer components
Cache
Small and fast memory used to store and access frequently used data and instructions
Clock Speed
The frequency at which the internal clock generates signals switching between 0 and 1 Controls how often how often instructions are executed and data is fetched
Contemporary Processor Architecture
A modern computer architecture containing elements of Harvard and Von Neumann
Control Bus
A bi-directional bus carrying control signals from the CU to synchronise access and use of data
Control Unit
Part of the CPU that controls and manages the execution of instructions
Current Instruction Register (CIR)
A register that stores the current instruction while its decoded
Data Bus
A bi-directional bus carrying data and instructions between the processor and memory