An operating system must be designed such that ________.

a) context-switching time is maximized
b) context switches are transparent to processes
c) as many “useful” computations as possible are performed while switching contexts
d) all of the above


b) context switches are transparent to processes

Computer Science & Information Technology

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Case-Based Critical Thinking QuestionsCase 9-2Let's Camp is a camping supply shop that sells new camping equipment to hip urban teens and young adults. The Web developer, Sally, wants the pages to be designed for use on cell phones and other handheld devices their young audiences carry. On her online order form, how should she build the attribute for the checkbox that will be selected by default when page is viewed?

A. checked="checked" B. checked="ok" C. selected="selected" D. selected="ok"

Computer Science & Information Technology

What are the necessary ingredients of a greedy algorithm?

a. Optimal substructure and greedy choice b. Recursion and greedy choice c. Priority queue and optimal substructure d. Recombination and greedy choice

Computer Science & Information Technology

A destination file is a file that contains original data that you need in another file

Indicate whether the statement is true or false

Computer Science & Information Technology

Which of the following types of controls does NOT describe a mantrap?

A. Deterrent B. Preventive C. Compensating D. Physical

Computer Science & Information Technology