Which of the mode options opens a file for both reading and writing, overwriting any existing text. If the specified file does not exist, it is created.
A. w
B. w+
C. a
D. a+
Answer: B
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Which of the following best describes the array name n in the declaration int n[10];?
a. n is a nonconstant pointer to nonconstant data. b. n is a nonconstant pointer to constant data. c. n is a constant pointer to nonconstant data. d. n is a constant pointer to constant data.
Which data structure is used to check for balanced symbols?
a. STL set b. STL map c. priority queue d. queue e. stack
A(n) __________ is a number with a decimal point, such as 7.33, 0.0975 or 1000.1234
Fill in the blank(s) with the appropriate word(s).
Which of the following was a benefit of the timesharing systems of the 1960s?
a) Multiple interactive users could operate simultaneously. b) Timesharing made it possible for real-time systems to provide quick results to users. c) The average turnaround time decreased significantly. d) all of the above