Midterm review.

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Midterm review

Lec1-3 Application Search Engine Multimedia Social Network 1. Create index; 2. Query index; 3. Ranking Multimedia 1. Understand the multimedia; 2. Multimedia annotation/retrieval Social Network 1. Directed/undirected graph; 2. in/out degree 1/16/2019

Lec4 Information layer I Review of Computing System Layers Numbers Positional Notation Conversion among different bases Binary and Computers

Lec5 Information layer II Analog vs. Digital Data Compression Text Audio Image and Graphic

Lec6 Hardware I Gates Circuits Types Construction Adder Multiplexer Memory IC

Lec7 Hardware II Moore's Law Von Neumann Computer Input devices Output devices RAM, ROM, Hard rive, Processor, Cache

Lec8 Operating System Operating Systems File System Timelines Statistics Roles Resource Management CPU Scheduling File System

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