1. S C S S S 1 S 0 S 4 Welcome to CS 104

2. Computers in Context 1.01

3. Living Without Computers 1.04 Which of these conveniences relies on a computer?

4. Computers in Perspective Purposes of Tools Single-purpose General-purpose 1.05

5. Computers Today: A Brief Taxonomy Multi-user computersSingle-user computers Special-purpose and Embedded computers Portable computers 1.16

6. People l Computers are only as smart as the people who use them and the people who program them l Computers have traits which people use to their advantage. They are fast, accurate, dependable and can store and move vast amounts of information.

7. Computer Connections: The Network Revolution People around the globe are connected to others via networked computers. LAN (local area network): designed to share resources and foster communication— usually in the same building. WAN (wide area network): designed to share resources and foster communication— around the globe. 1.21

8. The Internet Explosion A network of networks World Wide Web Electronic mail Electronic bulletin boards Multimedia simulations Audio-video links On-line resources 1.22

9. Living with Computers l What do you really need to know about computers? Implications? Applications? Explanations? 1.23

10. Explanations Learn basic concepts of:computer 1.24 l electronic device - digital l can manipulate any data l programmable

11. Explanations Learn basic concepts of: hardware software peripherals 1.24

12. Hardware l stuff you can touch or see l components

13. Software l programs - set of instructions to accomplish a task l package - suite of related programs l translucent - smarts l many varieties l one type application software l (productivity software)

14. Data l data - raw material l information - processed data

15. Applications Learn about the variety of software available: Word processing and desktop publishing Spreadsheets and databases Computer graphics Multimedia and hypermedia Telecommunication and networking Artificial intelligence General problem-solving Programming languages 1.25

16. Procedures l how to do computer related things l getting your account, remembering and keeping your password secret. l As part of this, we will look at common software interfaces, so you will know how to respond to the program.

17. Implications Learn about the impact of computers on your life: Threat to personal privacy Hazards of high-tech crime Risks of computer failures Threat of automation and dehumanization of work Abuse of information as a form of power Dangers of technology dependence 1.26

18. Questions