The Von Neumann Architecture is a computer architecture model proposed by a physicist and mathematician, John Von Neumann. It is a theoretical framework for a stored program computer which then became the basis for almost all computer systems today because of its comprehensive flow and process.
The architecture consist of a central processor with an arithmetic/logic unit and a control unit, a memory, a mass storage and an input and output.
For more in-depth information about the Von Neumann Architecture, please check out these websites:
https://www.javatpoint.com/von-neumann-model
https://www.techopedia.com/definition/32480/von-neumann-architecture
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Proper credits:
technopedia(2017), Von Neumann Architecture, https://www.techopedia.com/definition/32480/von-neumann-architecture
javatpoint, Von-Neumann Model, https://www.javatpoint.com/von-neumann-model