The DOCTYPE declaration has to be added to the document _____, after the XML declaration and before the document's root element, as shown in the accompanying figure.

A. prolog
B. epilog
C. body
D. any of the above


Answer: A

Computer Science & Information Technology

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Here is the prototype of a function:

``` void five(double x, double *yp, int *zp); ``` Given these variable declarations, which calls to five are valid? ``` int m, n double p, q ``` a. five(m, &p, &n); b. q = five(6.2, &p, &m); c. five(p, &q, &m); d. five(7.1, &p, &q); e. a and c only f. a, b, c, and d

Computer Science & Information Technology

In PHP, writing data to a file requires how many steps?

a. 2 b. 3 c. 4 d. 1

Computer Science & Information Technology

Create a class SubstitutionCipher that implements the interface MessageEncoder, as described in the previous exercise. The constructor should have one parameter called shift. Define the method encode so that each letter is shifted by the value in shift. For example, if shift is 3, a will be replaced by d, b will be replaced by e, c will be replaced by f, and so on. Hint: You may wish to define a private method that shifts a single character.

What will be an ideal response?

Computer Science & Information Technology

After sorting, filtering, and totaling an Excel table, an Excel table can be converted into this:

A) Pane B) Range C) Link

Computer Science & Information Technology