Critical Thinking Questions
Case I-1
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Mandy is creating the structure for a new website that will help connect her town's residents to local area events and activities.
Because a searchable calendar of events will be a key part of Mandy's website, she makes extensive use of ____, which has the perfect widgets and plug-ins that she can paste directly into her HTML.
a. XMLc. W3Cb. jQueryd. ASP
What will be an ideal response?
Answer: B
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A(n) ________ is a computer that connects to or requests services from a server
A) Analytical Engine B) client C) Turing machine D) smart appliance
(Bubble Sort) Implement bubble sort—another simple yet inefficient sorting technique. It is called bubble sort or sinking sort because smaller values gradually “bubble” their way to the top of the vector (i.e., toward the first element) like air bubbles rising in water, while the larger values sink to the bottom (end) of the vector. The technique uses nested loops to make several passes
through the vector. Each pass compares successive pairs of elements. If a pair is in increasing order (or the values are equal), the bubble sort leaves the values as they are. If a pair is in decreasing order, the bubble sort swaps their values in the vector. The first pass compares the first two element values of the vector and swaps them if necessary. It then compares the second and third element values in the vector. The end of this pass compares the last two element values in the vector and swaps them if necessary. After one pass, the largest value will be in the last element. After two passes, the largest two values will be in the last two ele- ments. Explain why bubble sort is an O(n2) algorithm. What will be an ideal response?
Which of the following elements of programming languages refers to the logic and meaning of the particular problem solved by a program?
A) structural elements B) semantic rules C) syntax elements D) keywords
What keyword tells the Linux kernel to avoid printing errors to the screen during system startup??
A. ?silent B. ?noerror C. ?whisper D. ?quiet