You have been trying to add a specialized channel to an image for a few minutes and it does not seem to be working. Which of the following could be the problem?

You have never used channels before but you have heard colleagues tell you how useful they can be, so you decide to do some experimenting yourself.

a. You are trying to add it to a bitmap image.
b. You are trying to add it to a composite image.
c. You are trying to add it to a CMYK image.
d. Both a and c.


a. You are trying to add it to a bitmap image.

Computer Science & Information Technology

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Case-based Critical Thinking QuestionsCase 12-2Rosalind wants to add attribute declarations to her DTD, and she turns to you for information about the possible attribute types. Finally, you help Rosalind write the declaration of an attribute named "credits" of an element named "course." This optional attribute should contain character data, and a value of 4 should be used if an attribute value is not specified. Which of the following is an appropriate declaration of this attribute?

A. B. C. D.

Computer Science & Information Technology

It can be difficult to see a(n) ___________________ when a cell is selected.

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

Computer Science & Information Technology

____________________ reports are reports that show statistics on groups of records rather than detailed information.

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

Computer Science & Information Technology

Who installs, configures, and maintains LANs and WANs?

A. network engineer? B. help desk technician C. computer technician D. technical project manager

Computer Science & Information Technology