Digits, letters and special symbols are referred to as ______.
a) constants
b) ints
c) strings
d) characters
Answer: D
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Write a program called myrm that takes as arguments the names of files to be removed. If the global variable MAXFILES is set, take it as the maximum number of files to remove without question. If the variable is not set, use 10 as the maximum. If the number of files to be removed exceeds this count, ask the user for confirmation before removing the files.
$ ls | we -l 25 $ myrm * Remove them all Remove 25 files (y/n)? n files not removed $ MAXFILES=l00 myrm * $ ls $ All files removed If MAXFILES is set to zero, the check should be suppressed.
Excel gives you the ability to chart or graph data in your worksheet. Describe the main chart types (line, pie, and bar) and their purpose. Also describe how to insert a chart in your worksheet.
What will be an ideal response?
________ is a Windows XP design goal inherited from the corporate line of Windows operating systems.
a) A user-friendly GUI b) Data reliability c) Advanced multimedia support d) Hard real time guarantees
The operating system that runs most PCs and provides a graphical user interface to make the computer user friendly is ________
A) Microsoft Windows B) Mac OS C) UNIX OS D) Linux