What term identifies how many colors can be displayed on a screen?
A. Color depth
B. Pixels
C. Megahertz
D. Nits
Answer: D
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In the linked list implementation of the queue, we had both a destructor and a makeEmpty function because:
A. the destructor needs to call the makeEmpty function B. the client may want to empty out the queue without destroying it; however, the client shouldn’t have to remember to use makeEmpty to avoid memory leak upon destruction of the queue C. the makeEmpty function needs to call the destructor; otherwise, the queue cannot be destroyed D. only one is used to free dynamic memory, the other cannot
What do the following statements do?
``` double[] array; array = new double[14]; ``` a. Create a double array containing 13 elements. b. Create a double array containing 14 elements. c. Create a double array containing 15 elements. d. Declare but do not create a double array.
A class that implements an interface but does not declare all of the interface’s methods must be declared ________.
a. public. b. interface. c. abstract. d. final.
A(n) ________ chart should be used to show comparisons between categories
A) pie B) area C) column D) x-y scatter