____ are essentially upside-down mice that can be more comfortable to use than a conventional mouse.
A. Document holders
B. Vertical mice
C. Trackballs
D. Mouse stands
Answer: B
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How do methods setIn, setOut and setErr affect the standard input, output and error streams?
a. They output data to the standard input, output and error streams. b. They provide the only way to access the standard input, output and error streams. c. They redirect the standard input, output and error streams. d. They empty the standard input, output and error streams.
Which CSS property configures a grid container?
a. flex b. display c. flex-item d. grid
_________ involves using a base-class pointer or reference to invoke virtual functions on base-class and derived-class objects.
Fill in the blank(s) with the appropriate word(s).
When you ____ an image, Photoshop merges all of the visible layers and throws out any hidden layers.
a. index b. transform c. flatten d. concatenate