1. What is Computer Science?
ECS 15
Prof. Xin Liu

2. Subject Areas Theory of computation Software engineering
Information and data management
Computer graphics
Computer security and cryptography
Computer networks
Artificial intelligence
Human-computer interface
Bioinformatics
System and architecture

3. Professions in CS

4. Computers A practical overview
Suppose you are to buy a computer, what are the main factors for your decision?
What type of computer, laptop/desktop,
MAC or PC
The next step, the configuration of your computer.

5. Choose a Computer
Laptop, desktop,
MAC vs. PC
Computer configuration

15. An Ipad breakdown Touchscreen ~$95 A4 processor ~$28 16G memory ~$28
Rear case ~$10.50
WiFi/bluetooth chip ~$10.50
Total material costs: ~$260