To what aspects of networking does data communications refer?
What will be an ideal response?
Data communications refers to the study of low-level mechanisms and technologies
used to send information across a physical communication medium, such as a wire, radio
wave, or light beam.
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What is the value of numbers.size() after the following code? vector
a. 0 b. 10 c. 100 d. unknown
Colors are represented by three color values and the alpha value. The alpha value specifies
a) brightness b) opacity c) a blending constant d) None of the above.
Assume that R and S are tables representing the relations of the previous exercise. Design SQL queries that will return the results of each of the expressions of that exercise.
What will be an ideal response?
For Web graphics, you will usually choose the ____ format.
A. PICT B. TIFF C. JPEG D. PSD