The reason we use recursion or a stack for tree traversal is that, at each step, we cannot access the next node in the sequence directly and we must use _____.

A. backing-up
B. backtracking
C. pre-fetching
D. prediction


Answer: B

Computer Science & Information Technology

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What is the maximum length of an IP datagram?

What will be an ideal response?

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What is the output of the following, if it were embedded in an otherwise correct and complete program and run?

``` int x = 10; while (x > 0) { cout << x << “ ”; x = x + 3; } cout << endl; ``` a) 10 13 16 19 . . . b) The compiler detects that this will be an infinite loop, so it does not compile. Insert lowercase be c) This is an infinite loop. When compiled and run, it runs until machine limitations stop it, or you get tired of it and kill the process. d) 0 3 6 9.

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The icon labeled 5 in the accompanying figure represents the ____ command.

a. Layer, Distribute, Top Edges b. Layer, Distribute, Vertical Centers c. Layer, Distribute, Bottom Edges d. Layer, Distribute, Left Edges

Computer Science & Information Technology

When a Word document containing a watermark is saved as a webpage, the watermark is not displayed

Indicate whether the statement is true or false

Computer Science & Information Technology