The ____________ operator is the logical NOT operator, which is a unary operator that takes a Boolean expression as its operand and reverses its logical value.
a. <>
b. !
c. &&
d. ||
b. !
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MC GUI components generate______ when users of the programs interact with the GUIs.
a) messages. b) events. c) values. d) None of the above.
What is not true about this code segment?
location = fileObject.tellg(); a. tellg is a member function of fileObject. b. location is a pointer. c. The value of location after the segment executes must be less than or equal to the number of bytes in the file attached to fileObject. d. fileObject is an istream object.
What is displayed by the program fragment below?
``` int a = 3, b = 9; int *pa, *pb, *pc; pa = &a; pb = &pb; pc = pa; pa = pb; pb = pc; printf(“%4d %4d %4d %4d %4d\n”, a, b, *pa, *pb, *pc); ```
What is the purpose of the quality control step in software development?
A) test the logic of the instructions B) locate qualified beta testers C) locate errors D) develop user-training material