计算机科学引论答案

Computing Essentials 2008练习答案

Chapter 1: Information Technology, The Internet, and You

Crossword Puzzle Answers:

Across

Num. Clue Answer

1 The most essential part of an information system. People

7 Coordinates computer resources. Operating System

10 Modifies signals for processing. Modem

12 Data that has been processed by the computer. Information

13 Unprocessed facts. Data

14 Notebook computer that accepts handwritten input.. Tablet PC

Down

Num. Clue Answer

2 Uses computers to become more productive.

End User

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

Procedures

4 Created by word processors.

Document Files

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

6 Created by database management programs.

Database Files

8 The physical equipment of a microcomputer.

Hardware

9 The world’s largest computer network.

Internet

13 Provides 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. Clue Answer

2 Provide users a connection to the Internet. ISP

3 Unwelcome e-mail. Spam

5 Explore the Web. Surf

7 Internet uploading and downloading service. FTP

8 Steals credit card information. Carder

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

Attachment

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

13 Connection to Web resources. L ink

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

Download

Down

Num. Clue Answer

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

4 Special program written in Java. Applet

5 Locates information online. Search Engine

6 Location of Web resource. URL

11 Program that provides access to Web Browser

12 Used to block certain sites. Filter

14 Provides high-speed connection using existing telephone lines. DSL

Num Multiple Choice Answers

D A C C A A A A D B

Matching Answers

i d g e f c h j a b

Chapter 3: Basic Application Software

Crossword Puzzle Answers:

Across

Num. Clue Answer

4 Rectangular area that contains messages. Window

5 System to organize and retrieve data. DBMS

8 Collection of individual applications. Software Suite

10 Rearrange records using a field. Sort

11 Formed by intersection of row and column. Cell

14 Collection of related data. Database

16 Flyer, report, newsletter, Web page. Document

17 These make up a presentation. Slides

18 Question or request for data in a database. Query

Down

Num. Clue Answer

1 List of commands. Menu

2 Rectangular grid of rows and columns used in programs like Excel. Worksheet

3 Has records and fields. Table