Which of the following is NOT true about variables?

A. Their values can change during execution.
B. Before using a variable for the first time, the program must declare its type.
C. The type of data a variable contains can be changed.
D. All of the above are true.


Answer: C

Computer Science & Information Technology

You might also like to view...

Which of the following is not one of the “Six Ps” representing the stages of assessing a system’s security?

A) Protect B) Personnel C) Patch D) Physical

Computer Science & Information Technology

The Messages page consolidates all messages received from across the Facebook site, including email messages, private messages, chat messages, and text messages sent via mobile phone

Indicate whether the statement is true or false

Computer Science & Information Technology

A disadvantage of center alignment is that it sometimes creates awkward spacing between words

Indicate whether the statement is true or false

Computer Science & Information Technology

A video capture card can capture live video

Indicate whether the statement is true or false

Computer Science & Information Technology