You want an antivirus software for a home PC, but you do not want to pay for a license. Pick the best choice.

A. open license
B. personal license
C. corporate license
D. enterprise license


Answer: A. open license

Computer Science & Information Technology

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In the function round of Display 3.6, which of these explains what happens in the body of the function? We reproduce the one line from the function body here: return static_cast(floor(number+0.5));

a) This is overkill, it would be sufficient to use the floor function alone. b) Adding 0.5 to number pushes the range up so floor can produce the correct rounding. c) The static_cast is used because floor returns a double. If the double value were returned, there would be at least a warning of a double to int conversion in returning the value. d) This is wrong. The argument for the floor function should be number-0.5.

Computer Science & Information Technology

A device that is located near the front-end, and allows many users to share a single front-end port, is known as

a. a line splitter b. a remote intelligent controller c. a port-sharing device d. a multiplexer

Computer Science & Information Technology

____ usually expires after a limited time if you don't purchase the full commercial version.

A. Freeware B. Open source software C. Shareware D. Demoware

Computer Science & Information Technology

Which of the following is true about the size of data and log files?

A. you should not change the default sizes B. increasing the size on an existing database will degrade performance C. you should not set the size larger than the data requires D. best practice is to change the Maxsize setting from its default value

Computer Science & Information Technology