COGNITIVE ASSESSMENT
What program is used to start and shut down a computer or mobile device, provide a user interface, manage programs and memory, and provide file management, among other functions?

A. an operating system
B. a file utility
C. application software
D. a system utility

Answer: A

Computer Science & Information Technology

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Which of the following is a common use of server-side scripting?

A. Online shopping B. Changing the appearance of a graphical object displayed on a Web page C. Caching Web pages for quick loading D. All of the above

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In the Banker’s Algorithm, resource requests that would result in ________ are repeatedly denied until they can eventually be satisfied.

a) indefinite postponement b) holding resources while waiting for others c) unsafe states d) all of the above

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