CPU Components (AQA GCSE Computer Science): Flashcards
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Practise the cards
15 cards from this deck
Transistors in a CPU
Transistors in a CPU
Tiny electronic switches
Von Neumann architecture
Von Neumann architecture
Blueprint that all modern CPUs are based on
ALU (full name)
ALU (full name)
Arithmetic Logic Unit
Main function of the ALU
Main function of the ALU
Handles calculations and logical decisions
Control Unit's role
Control Unit's role
Coordinates CPU activity and decodes instructions
Function of the Clock in CPU
Function of the Clock in CPU
Provides timing and synchronization
GHz meaning
GHz meaning
Gigahertz - billions of cycles per second
Registers in CPU
Registers in CPU
Tiny fast memory locations inside the processor
Buses in a computer
Buses in a computer
Communication highways connecting computer parts
Data bus function
Data bus function
Carries actual data/information bidirectionally
Address bus function
Address bus function
Carries memory addresses/locations
Control bus function
Control bus function
Carries control signals for coordination
Clock speed
Clock speed
Rate of instruction processing, measured in GHz
Cache memory
Cache memory
High-speed memory between CPU and main memory
Why cache improves performance
Why cache improves performance
Stores frequently-used data, reducing access time