When you don’t recall operator precedences you can

a. Look in a table of precedences
b. Guess
c. Use parentheses
d. Experiment with the compiler


c) is perhaps best and easiest, but a) and d) are reasonable if you aren’t taking an exam.

Computer Science & Information Technology

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Scenario: The Firefox browser is being used to display a web page with a video but no video controls display —only the poster image is shown. Read the following code snippet and select the reason for the incorrect display from the choices below.

``` ``` a. The controls attribute should be controls=”yes” b. There are too many source elements. c. The file extension .ogg is incorrect. d. The MIME type values are incorrect.

Computer Science & Information Technology

If a feature is found in the C language, is that feature in C++? Is the reverse true?

What will be an ideal response?

Computer Science & Information Technology

One type of wireless networking that does not use signals in the radio frequency (RF) band of the electromagnetic spectrum is _________, which sends data as a form of rays over relatively short distances.

A. infrared (IR) transmission B. cellular transmission C. electromagnetic induction D. hetero junction bipolar induction

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Implementation of an enterprise resource planning (ERP) system ensures good work processes that are based on _____.

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

Computer Science & Information Technology