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# ItC Week 8 - Architecture

###### tags: `Intro_to_Comp`

- ## History

- Babbage's Analytical Engine
- Pascal & Leibniz
- Von Neumann Machine
- Turing Machine vs Von Neumann Machine
- Turing Machine is an abstract concept, less like a
"real" computer
- Von Neumann Machine is an architecture for building
practical computers

- ## Building "Hack" Computer

- Instruction Memory
- Load instructions from ROM
- Memory
- Data Memory
- Screen
- Keyboard
- CPU
- ALU
- 3 registers : A, D, PC
- A : memory address
- D : Data
- PC : Program Counter
- Cycle : Fetch &#8644; Execute

{%hackmd BJrTq20hE %}