Which leaves letters unchanged?
A. Substitution ciphers
B. Both substitution and transposition ciphers
C. Encryption ciphers
D. Transposition ciphers
D. Transposition ciphers
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Identify the letter of the choice that best matches the phrase or definition.
A. Informs the recipient or requests information. B. A file sent along with an email message. C. Lists the contents of a selected folder. D. An additional copy of a file or message. E. A data file that stores a user's Outlook items. F. Routes an email message and identifies the purpose or contents of the message. G. Unsolicited email messages. H. Communications protocol used to retrieve incoming email messages. I. The default location for all saved messages. J. Communications protocol used by many outgoing email servers.
To delete the character to the left of the insertion point, press the _____ key.
A. Backspace B. Tab C. Esc D. Delete
How do you create hyperlinks in a Web page?
What will be an ideal response?
Which of these statements about the GIF image specification is false?
a. It can be used to embed animations. b. It can only include 256 colors. c. It is best used for drawings and cartoons that have only a few colors in them. d. It can be saved in an interlaced mode. e. It was developed by Microsoft in 1982.