Making a field ______ meAns : that it cannot be left blank.

Software, such as viruses, worms and Trojan horses, that has a malicious intent, is known as:

Which of the following is NOT a type of broadband Internet connection?

The _____ manual tells you how to use a software program.

A(n) _______ uses pictures (called icons) and menus displayed on the screen to send commands to the computer system.

Personal logs or journal entries posted on the Web are known as: