To conserve space laptop computers often use a small knob, called a(n) ________ as the pointing device
Fill in the blank(s) with correct word
pointing stick
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List the three forms of optical fiber, and give the general properties of each.
What will be an ideal response?
Swiping up with three fingers on Mac OS X launches what?
A. Dashboard B. Mission Control C. Spotlight D. System Preferences
In C, the special NULL pointer value that acts as a sentinel or flag to indicate when the last structure has been processed has a numerical value of ____.
A. -1 B. 0 C. 1 D. 255
Which of the following is true with respect to the data link layer?
a. It accepts streams of bits from the application layer. b. It is responsible for encoding the bit-stream as a series of electronic voltages. c. It performs error detection. d. It performs routing functions. e. It organizes data from the physical layer and passes these coherent messages directly to the application layer.