Under the root directory in Linux, which directory contains system commands and utilities?

A. /opt
B. /var
C. /boot
D. /usr


Answer: D

Computer Science & Information Technology

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of the following is a variable declaration statement?

a. int total; b. import java.util.Scanner; c. public static void main(String args[]) d. // first string entered by user

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A file system is responsible for ________.

a) file management b) auxiliary storage management c) file integrity mechanisms d) all of the above

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General categories of type alignment include which of the following? Select all that apply.

A. Left-aligned:Text aligned to the left margin and ragged or uneven on the right side; it is also called left-justification or flush left/ragged right. B. Right-aligned:Text aligned to the right margin and ragged or uneven on the left margin; it is also called right-justification or flush right/ragged left. C. Justified:Text aligned on both the left and right sides. D. Centered:Lines of type centered on an imaginary central vertical axis. E. Runaround:Type wraps around an image, photograph, or graphic element; it is also called text wrap. F. Frame:Type is set around the perimeter of a page.

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______________________________ in the selection of technology products are measurable and do not rely on an evaluator's personal biases.

Fill in the blank(s) with the appropriate word(s).

Computer Science & Information Technology