1. A digital computer

 

a. typically stores data as zeros and one.

b. typically runs on electricity.

c. seldom is colored magenta.

d. all of the above.

e. none of the above.

 

 

1. You can think of an old fashioned wooden ruler (for measuring lengths) as a computer. If you do so,

 

a. it is a digital computer

b it is an analog computer

c. it is a digital computer only if it uses the metric system

d. all of the above.

e. none of the above.

 

 

1. A nanosecond is

 

a. one billionth of a second.

b one billion seconds

c. is not a unit of time.

d. all of the above.

e. none of the above.

 

 

1. Which of the following is the color system used by computer monitors.

 

a. jpeg/giff/tiff

b. red/green/blue

c. cyan/magenta/yellow/black

d. none of the above.

 

 

1. In HTML the commands <H2> and <h2>

 

a. always mean the same thing

b. never mean the same thing

c. may or may not mean the same thing depending on what browser is used.t

d. none of the above

 

 

 

 

1. Which of the following is an HTML command to insert a horizontal line in an HTML document?

 

a. <HR>

b.<HL>

c. <LINE> </LINE>

d. none of the above

 

 

1. An IP address is

 

a. the address of a site on the Internet.

b. numbers separated by dots (periods).

c. serves as a name for your computer when e-mail is sent to your computer.

d. all of the above.

e. none of the above.

 

 

1. A file with HTML code for a web page

 

a. is a text file.

b. should end in .html (or .htm).

c. can be changed using a text editor.

d. all of the above.

e. none of the above.

 

 

1. A high bandwidth connection

 

a. can transmit more data per second than a low bandwidth connection.

b. can transmit less data per second than a low bandwidth connection.

c. is a connection that goes through a satellite link.

d. is a connection that uses a telephone line.

e. none of the above

 

 

1. In an internet community, an avatar is

 

a. an operating system.

b. a kind of monitor.

c. an animated character that represents some person.

d. is a carton to keep you amused while your computer searches for data.

e. none of the above

 

 

 

 

 

 

 

 

 

1. A word processor

 

a. is the same thing as a text processor.

b. typically stores fonts and other stuff as well as text.

c. is a piece of hardware.

d. all of the above,.

e. none of the above

 

 

1. A file

 

a. has a name.

b. stores data.

c. has a size measured in bytes.

d. all of the above,.

e. none of the above

 

 

1. An email message sent over the Internet

 

a. might be shipped as lot of small pieces of data.

b. can potentially take different routes from its source to its destination.

c. almost always gets to its destination faster than a regular post office type of letter.

d. all of the above,.

e. none of the above

 

 

1. Most Internet search engines (such as Google or Yahoo)

 

a. accept advertising.

b. base their searches on keywords.

c. have two main components called a crawler and a query processor .

d. all of the above,.

e. none of the above

 

 

1. Roger is a utility here at UCSD. It is

 

a. a mascot for sports games.

b. a meta search engine that is used to search the Internet.

c. an electronic library catalog.

d. all of the above,.

e. none of the above

 

 

 

Short Answer Questions: Although each question has lots of room for an answer, the answers are all short and do not need all that much room. If one of your answers is more than about 5 lines it is probably too long.

 

1. Suppose you have two pictures of the same thing, one with high resolution, the other with somewhat lower resolution. You want to display the picture on your website.Explain why you might want to use the picture with the lower resolution rather than the one with the higher resolution.
   ANSWER: (10 pts)

 

1. Give three or more considerations that you might use to judge the credibility of a website.
   ANSWER: (10 pts)

 

1. The following is the Windows path name for a file named readme.txt

C:courses\winter03\cse3\readme.txt

What kind of thing is each of the following C, winter03, and cse3? Are they files, disk drives, or something else (if so what else?) They do not have to all be the same kind of things.
ANSWER:. (10 pts)

 

1. Give the HTML code for a page that has your name as the main title when viewed on a browser, a message saying this site is under construction and, an address section with your email address and today's date on two different lines. Your code should also have a short title; the title does not get displayed.
   ANSWER (15 pts)