August 2024
Beginner
216 pages
5h 24m
English
Content preview from Exploring Computer Hardware
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Von Neumann Architecture
Von Neumann architecture is based on the stored-program computer concept, where program instructions and data are stored in the same memory.
Instructions are fetched from memory one at a time and executed by the processor. Any data required by the program is fetched from memory, and any result from the execution is stored back in memory.
A processor based on Von Neumann architecture has several registers used during execution of an instruction, these are:
- Memory Address Register (MAR)
- Memory Data Register (MDR)
- Current Instruction Register (CIR)
- Program Counter (PC)
- Accumulator (ACC)
The registers and key elements ...
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