1. A list of context-sensitive commands usually activated by right-clicking a screen item. What's this call?

a)option group
b)drop-down list
c)short-cut menu
d)dialog box

2.A small preview image of a graphic is
a) picture
b) thumbnail
c) icon
d) pixel

3.Is the time taken to retrieve data from primary or secondary memory?
a) word size
b) retrieval time
c) clock speed
d) access time

4.Acts as communication between the processor and the peripherals of a computer system.
a) specification
b) data bus
c) cache
d) USB

It looks as if you need to use one of these sites to look up the terms. Then you can decide.

http://www.answers.com

http://www.webopedia.com/

Let us know what you decide about each, and someone here will be happy to comment, correct, etc.