计算机科学引论2答案,计算机科学引论答案.doc

Computing Essentials 2008练习答案

Chapter 1: Information Technology, The Internet, and You

Crossword Puzzle Answers:

Across

Num.ClueAnswer

1The most essential part of an information system.People

7Coordinates computer resources.Operating System

10Modifies signals for processing.Modem

12Data that has been processed by the computer.Information

13Unprocessed facts.Data

14Notebook computer that accepts handwritten input..Tablet PC

Down

Num.ClueAnswer

2Uses computers to become more productive.

End User

3Rules or guidelines to follow when using software, hardware, and data.

Procedures

4Created by word processors.

Document Files

5Specialized programs that allow input and output devices to communicate.

Device Drivers

6Created by database management programs.

Database Files

8The physical equipment of a microcomputer.

Hardware

9The world’s largest computer network.

Internet

13Provides step-by-step instructions to the computer.

Software

Multiple Choice Answers

B B A B D D A C D D

Matching Answers

E F I H A C G B D J

Chapter 2: The Internet, The Web, and Electronic Commerce

Crossword Puzzle Answers:

Across

Num.ClueAnswer

2Provide users a connection to the Internet.ISP

3Unwelcome e-mail.Spam

5Explore the Web.Surf

7Internet uploading and downloading service.FTP

8Steals credit card information.Carder

9A file, such as a document or worksheet, that is attached to an e-mail message.Attachment

10Involves the sale of a product to another business.B2B

13Connection to Web resources.Link

15Process of transferring information from a remote computer to the computer one is using.Download

Down

Num.ClueAnswer

1The sites that a search engine returns after running a keyword search.Hits

4Special program written in Java.Applet

5Locates information online.Search Engine

6Location of Web resource.URL

11Program that provides access to WebBrowser

12Used to block certain sites.Filter

14Provides high-speed connection using existing te