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38830266
Software Architecture
Descrição
GCSE Computing Mapa Mental sobre Software Architecture, criado por K Kelsall em 13-06-2023.
Sem etiquetas
computing
gcse
Mapa Mental por
K Kelsall
, atualizado more than 1 year ago
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Criado por
K Kelsall
aproximadamente 1 ano atrás
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Resumo de Recurso
Software Architecture
Von Neumann Architecture
Data and instructions are stored in RAM
Instructions are fetched from RAM in order
The CPU will use special registers (fast temporary memory)
Program Counter
Holds the address of the next instruction to be fetched
Memory Address Register (MAR)
Holds the address of the current instruction
Memory Data Register (MDR)
Holds the content of the address from the MAR
Current Instruction Register (CIR)
Holds the instruction that is currently being decoded and executed
Accumulator
Holds the results of any processing
Arithmetic Logic Unit
Performs arithmetic and logical operations
Where calculations are done
Where decisions are made
Control unit
Fetches, decodes and manages the execution of instructions
Sends control signals to control hardware
Moves data around the system
Anexos de mídia
Cpu (binary/octet-stream)
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