Computer Science

CH.1

1. What are the five parts of an information system? People, procedures, software, hardware, data

2. What are differences between data and information? Information (processed facts) and data Compressed facts

3. What is connectivity? Uses internet and allows users to greatly expand the capability and usefulness of their information systems

4. Which part of an information is the most important? people

5. Describe two major kinds of software? System software, application software

6. Describe three types system software? operating system, utilities, device drivers

7. Describe and compare basing and specialized applications? Basic application are internet explorers and specialized applications like graphic, audio, video

8. What are four types of computers? Supercomputers, mainframe computers, minicomputers, and microcomputer’s

9. Six types of microcomputers? Desktop, notebook, media centers, Tablet pc, Handheld, Notebook

10. Describe the four basic categories of microcomputer hardware? System unit, Input/output devices, Secondary storage, , communication

11. Define data, list four types of files? Unprocessed facts: document files, worksheet files, Database files, Presentation files

12. Define connectivity and the wireless revolution? Connectivity is the capability to share information with other computers: Revolution that will dramatically affect the way we communicate and use computer technology

13. What is a network: describe the internet , web and cloud computing? Network is a communication system connecting two or more computers: largest network in the world is internet: web is numerous resources on the web

Ch.2

1. Describe how internet and web started? Internet was launched in 1969 when united sates funed a project that developed a national computer network called advanced research project agency network: web was introduced in 1991 at the center for European nuclear research

2. What is the...