Difference between von neumann and harvard architecture

What you will learn here about von neumann vs harvard architecture

  • Difference between von neumann and harvard architecture

Difference between von neumann and harvard architecture

Key important difference between von neumann and harvard architecture are given below
ParameterVon neumann architectureHarvard architecture
1)DefinationThe architecture which uses common bus to access data memory and program memory is called as von neumann architectureThe architecture which uses separate address bus and data bus to access data memory and program memory respectively is called as harvard architecture
2)Block diagramDifference between von neumann and harvard architecturevon neumann vs harvard architecture
3)StorageThe von neumann architecture uses single memory space for both program memory and data memoryThe harvard architecture uses seperate program and data memory space
4)AccessIn von neumann architecture we can not access program and data memory simultaneouslyIn harvard architecture we can access program and data memory simultaneously because it has separate program memory and data memory
5)ArchitectureThe von neumann architecture uses CISC architectureThe harvard architecture uses RISC architecture
6)Execution of instructionExecution of instruction takes more machine cycleExecution of instruction takes less machine cycle




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