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Archive of posts published in the category: Organisation
Apr
10

Computer Organisation – Wikibooks, open books for an open world

Computer Architecture[edit]

2.1.1 Outline the architecture of the central processing unit (CPU) and the functions of the arithmetic logic unit (ALU) and the control unit (CU) and the registers within the CPU.

A major defining point in the history of computing was the realisation in 1944–1945 that data and instructions to manipulate data were logically the same and could be stored in the same place. The computer design built upon this principle, which became known as the von Neumann Architecture, is still the basis for computer today. Although the name honours John von Neumann, a brilliant mathematician who worked on the construction of the atomic bomb, the idea probably originated with J. Presper Echkert and John Mauchly, two other early pioneers who worked on the ENIAC at the Moore School at the University of Pennsylvania during the same time period.

von Neumann Architecture[edit]

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