When you log onto UNIX, you must enter your login name and a password. For security reasons, the __________ is never displayed.
a. login name
b. password
c. both are displayed
d. neither is displayed
b. password
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A(n) ________ program shuts down to avoid causing problems.
Fill in the blank(s) with the appropriate word(s).
?In the context of data-flow diagrams (DFDs), a(n) _____ shows either the source or destination of the data.
A. ?data-flow line B. ?entity symbol C. ?process symbol D. ?data store symbol
The item marked 1 in the accompanying figure is the ____ Tool.
A. Text B. Illustration C. Drawing D. Pen
Critical Thinking QuestionsCase A-1Ever since the first time David lost an important document due to a power outage, he has been fanatical about saving his work. Currently, he is creating a Photoshop document for an important client, and his deadline is looming. If he lost the document now, he'd never be able to meet the deadline and he'd probably be fired. David knows that the key to choosing a file format is ____.
A. knowing the size of the file B. knowing how the file will be used C. knowing the screen resolution of the computer that will use the file D. all of the above