SF- Study Guide: Computer Network Concepts- Excercise

End of Concept Exercises

INSTRUCTIONS: Complete each of the statements below by filling in the blanks with terms found in the Computer Network Concepts module.  

1. Computer systems that transmit data over communications lines such as telephone lines or cables are called _____________________________.

2. A ___________________________ is a device that converts a digital signal to an analog signal and vice versa. It is short for modulate/demodulate.

3. ____________________is a technology that is capable of moving data at 128,000 bps over any modem. This technology requires two phone lines one for data transmission and one for tradition phone conversation. __________________________

4. A network of geographically distant computers and terminals is a __________________________________.

5. To ___________________ files means to retrieve files from another computer and store them.

6. To ___________________ files means to send files to another computer.

7. A network of computers that covers a small geographical area is a ___________________________________.

8. A special computer that directs communications traffic when several networks are connected together is a _____________________________.

9. Sending messages directly from one computer to another is __________________.

10. A __________________________ is an automatic mailing manager.

11. The ______________________ is a rapidly growing web of networks from around the world - a network of networks.

12. The largest and most popular part of the Internet is the _____________________.

13. It is the graphical part of the Internet.___________________ are documents that contain text, graphics, sound, and/or video and have built-in connections called ________________________.

14. A related collection of Web pages is a _________________________________.

15. A unique address on the WWW is called a _______________________________.

16. A __________________________ is the software on the user’s computer that allows the user to access the Internet via the service provider using a graphical interface.

17. The __________________________ provides the server computer and the software required for you to connect to the Internet. AOL is an example.

18. Computers on the Internet have a standard way to transfer copies of files. This program is called _________________________________.  

 _____________________________________________________________________________

Exercise Key

1. Data Communications Systems
2. Modem
3. Integrated Services Digital network, ISDN
4. Wide Area Network (WAN)
5. Download
6. Upload
7. Local Area Network (LAN)
8. Router
9. E-mail
10. Listserv
11. Internet
12. World Wide Web (WWW)
13. Web pages
14. Web site
15. Uniform Resource Locator (URL)
16. Browser
17. Internet Service Provider (ISP)
18. File Transfer Protocol (FTP)

 ___________________________________________________________

Glossary

Bridge	A combination of hardware and software that recognizes the messages on a network and passes on those addressed to nodes in other networks.
Browser	Software on the user’s computer that allows the user to access the Internet via the service provider, using a graphical interface.
Data communications systems	Computer systems that transmit data over communications lines such as telephone lines or cables.
Download files	Retrieve from another computer and store them.
E-mail	The ability to send messages directly from one computer to another.
File Transfer Protocol (FTP)	A standard way to transfer copies of files on the Internet.
Host computer	The mainframe computer in a WAN.
Hub	A device that repeats signals and connects a group of computers to a network.
Internet	A rapidly growing web of networks from around the world -- simply, a network of networks.
Internet Service Provider (ISP)	Provides the server computer and the software required for you to connect to the Internet.
Listserv	Widely used automatic mailing manager.
Local Area Network (LAN)	A network of computers that share hardware, software, and data in small geographic area.
Modem	A device that converts a digital signal to an analog signal and vice versa.
Newsgroups	An informal network of computers that allows the posting and reading of messages in newsgroups that focuses on specific topics.
Plug-ins	Software that enhances the value of a browser by increasing its features.
Router	A special computer that directs communications traffic when several networks are connected together.
Uniform Resource Locator (URL)	A unique address on the WWW.
Web pages	Documents that contain text, graphics, sound, and/or video and have built-in connections called hyperlinks.
Web site	A related collection of Web pages.
Wide Area Network (WAN)	A network of geographically distant computers and terminals.
World Wide Web (WWW)	The largest and most popular part of the Internet; it is the graphical part of the Internet.