The queue delete operation is known as _____.

A. enqueue
B. dequeue
C. remove
D. pop


Answer: B

Computer Science & Information Technology

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What is one drawback in using non-integer Step sizes of type Double?

(A) Round-off errors may cause unpredictable results. (B) Non-integer Step sizes are invalid in Visual Basic. (C) A non-integer Step size is never needed. (D) Non-integer Step sizes usually produce infinite loops.

Computer Science & Information Technology

? ?   Unholy Vault Designs/Shutterstock.com Photo/Sasha Vodnik Referring to the figure above, you know this file was opened _____.

A. from a local file B. from a web server C. either a or b D. neither a nor b

Computer Science & Information Technology

Case-Based Critical Thinking QuestionsCase 1: Human Resources ApplicationAn application used by the human resources (HR) department needs to be improved. You need to use various string manipulation properties and methods to ensure all data entered by a user are accurate and stored correctly. The users of the HR application have entered some employee social security numbers (SSNs) with dashes (such as 222-33-4444) and some without dashes (such as 222334444). You need to remove all dashes from any SSN that contains dashes. You will use the ____ method to edit the code so that only numeric characters are stored.

A. Replace B. Remove C. Trim D. Substring

Computer Science & Information Technology

The ____________, __________, and ____________ are the only three forms of control necessary.

a) switch, if, else b) sequence, selection, iteration c) break, continue, if…else d) for, while, do…while

Computer Science & Information Technology