1. CS 101 – Aug. 26 Definition of computer & CS Making good decisions Computer organization A little history Please read Chapter 1 in book. Tomorrow’s lab: let’s meet first here in 204.

2. Computer definition An electronic device that can retrieve, store and process data You can do these things too! What is the difference?

3. Computer science Systematic study of how we … –solve problems –represent & manipulate information Computer has large memory and fast “brain” – ideal for testing theories

4. Good decisions Correct (not misleading) Relevant Significant (don’t play weak cards) Complete/thorough –Consider alternatives, suggest future work Reasonable –Balance between acceptable & ideal

5. Computer organization Definition gives hint on how a computer is organized… Retrieve/store data: computer’s memory Process data: the CPU Communication is also essential –I/O devices –network

6. Hardware vs. Software CPU Memory Peripherals network Helps us interact with the machine Gives it soul or behavior Translates to/from machine language