The .gif graphics or image format was originally created by one of the first online companies, ____, to provide a compressed graphics format that could transfer easily over low-speed modems.
A. Netscape
B. CompuServe
C. AOL
D. Google
Answer: B
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____ is the default setting for the buttons that will be displayed in a message box like the one in the accompanying figure.
A. MessageBoxButtons.OKOnly B. MessageBoxButtons.OKCancel C. MessageBoxButtons.YesNo D. MessageBoxButtons.YesNoCancel
Online shopping sites generally use a session cookie to keep track of items in a user's shopping cart as shown in the accompanying figure.
Answer the following statement true (T) or false (F)
In ____ structures, the computer repeats particular statements a certain number of times depending on some condition(s).
A. looping B. branching C. selection D. sequence
If a collision occurs when using CSMA/CD, a jamming signal is sent immediately to both sending nodes, which then wait ____ before trying again.
A. one millisecond B. one second C. one minute D. a random period