Critical Thinking
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Case 6-2
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Over the Spring Break, you decide to clean up the files on your computer to make sorting and searching faster. You cannot remember the best methods to accomplish this task, so you consult a friend.
Your friend tells you to improve performance when searching,?
A. ?delete folders from the hard disk.
B. ?add additional folders to the index.
C. ?buy a SSD.
D. ?move your pictures to a USB.
Answer: B
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Recursion is often less efficient than iteration because ________.
a. it can cause an explosion of method calls. b. it is not as intuitive. c. recursive methods are harder to debug. d. recursive methods take longer to program.
Write a recursive method to reverse a string. Explain why you would not normally use recursion to solve this problem.
What will be an ideal response?
A computer backup must be finished before the shutdown of the system is completed; this relationship between these two tasks is an example of the task dependency type marked ____ in the accompanying figure.
A. 1 B. 2 C. 3 D. 4
___________ is the process to find out what is on a target system
a. Enumeration b. Phishing c. Mapping d. Scanning