One of the differences between Ruby and many other programming languages is that ____.
A. Ruby Rill halt script execution if an attempt is made to change a constant's value
B. Ruby will allow the same name to be assigned to both a constant and a variable
C. Ruby will generate an error is a constant's value is change but will not halt script execution
D. None of the above
Answer: C
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At some point, alpha = 0.0 and beta = 0 . A possible move eval uates to -0 . Which of the following is true:
a. alpha is changed to -6.0 if we are evaluating a move for the com puter. b. alpha is changed to -6.0 if we are evaluating a move for the human. c. beta is changed to -6.0 if we are evaluating a move for the com puter. d. beta is changed to -6.0 if we are evaluating a move for the human. e. Neither alpha nor beta is changed
If you include a period in a UNIX file name, the characters following the period are treated as __________.
a. part of the file name b. the file name extension c. you cannot include a period in a UNIX file name d. filler
Four basic symbols are used to chart data movement on data flow diagrams. They are:
What will be an ideal response?
Combining two or more selected cells into one cell is called _____ cells.
A. merging B. mixing C. combining D. spanning