Optional parentheses in expressions are said to be

a. redundant.
b. binary operators.
c. implied.
d. declared.


A

Computer Science & Information Technology

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________ function checks to see if a field does not contain a value

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A local variable that is declared as ____ causes the program to keep the variable and its latest value even when the function that declared it is through executing.

a. auto b. static c. register d. extern

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Which of the following is a snippet of code designed to automate tasks and often used by attackers to carry out a denial-of-service attacks?

A. Ransomware B. Screen scraper C. Zero-day exploit D. Bot

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The term “computer virus” is attributed to __________.

A. Herman Hollerith B. Fred Cohen C. Charles Babbage D. Albert Einstein

Computer Science & Information Technology