Quiz 1 Solution

CS 14A

60 pts., Feb. 14

Each question is worth 4 points.

1. Approximately, how many newsgroups are contained within USENET?

   5,000--15,000.

2. As far as the Internet goes, what is a flame?

   A personal attack.

3. Why is leaving your e-mail contact information a security/privacy problem with Netscape in our lab environment?

   Others can use it to forge e-mail from you.

4. Why would one want to create a personal group?

   So that you may send e-mail to several people, without having to individually address it to them each time you send it.

5. Why is the Internet like an Interstate?

   Both of them had military use among their reasons for creation; the Interstates for moving material and the Internet for communication.

6. For what is telnet used?

   For remotely logging in to a remote computer across the Internet.

7. Compare and contrast gopher and the World Wide Web.

   Gopher is text-based, whereas the WWW is multimedia.

8. Name the four elements of the IPOS cycle.

   Input, processing, output, and storage.

9. What is a byte?

   Eight bits (binary digits), enough storage to hold a character. This is the fundamental unit of storage in a computer.

10. Why are computers flexible?

    Because they can be re-programmed to provide different functions.

11. Name four general purpose program categories.
    1. Word processing.

    2. Spreadsheet.

    3. Database.

    4. Communication.

    5. Games.

    6. Personal finance.

    7. Presentation graphics.

    8. ...

12. What is a gigabyte (approximately)?

    Approximately, a gigabyte is one billion bytes. Exactly, it's 1,073,741,824 bytes. That's bytes.

13. Why would one use dialup IP?

    To access the Internet from home using a modem.

14. What are the two parts of an Internet e-mail address?
    1. Username: kelliher

    2. Hostname or domain: abacus.westminster.edu

    Put it together: Send mail to kelliher AT DOMAIN abacus.westminster.edu.

15. Why would one use ftp?

    To transfer files from one computer to another across the Internet.