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Von Neumann Architecture
——Hardware composition and basic principle
of microcomputer
John Von Neumann
Hungarian-American scientist
The founder of computer architecture
2
Von Neumann—the father of electronic computer
Why John Von Neumann, a Hungarian
mathematician, was the “father of electronic
computer”, not John William Mauchly and J.
Presper Eckert who were the designers of the first
computer?
Von Neumann introduced modern computer architecture
3
The features of Von Neumann computer
1. Binary system
All information (instructions and data) in computer are represented in
binary
2. Five parts in computer hardware
Arithmetic unit
Logic controller
Memory
Input and Output
3. Principle of storage
4
Von Neumann Architecture
Architecture feature :
take the arithmetic unit as the core, and all inputs and outputs are
processed in ALU
CPU
results
program/data 结果
程序/数据 运算器
input device output device
输入设备 输出设备
(ALU)
控制器
controller
指令/数据流 控制流 host system
instructions/data stream control flow
内存储
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