1 ) How many values can be returned from a function ?
A ) one ,
B ) three ,
C ) four ,
Correct answers : - A ) one ,
2 ) A relational operator ……………….. ,
A ) assigns one operand to another ,
B ) yields a Boolean result and compares two operands .
C ) compares two operators ,
D ) logically combines two operands ,
Correct answers : - B ) yields a Boolean result and compares two operands .
3 ) A variable defined within a block is visible ………… ,
A ) from the point of definition onward in the program .
B ) from the point of definition onward in the function .
C ) from the point of definition onward in the block .
D ) throughout the function .
Correct answers : - C ) from the point of definition onward in the block .
4 ) The && and || operators ………………. ,
A ) compare two numeric values .
B ) combine two numeric values .
C ) compare two Boolean values .
D ) combine two Boolean values .
Correct answers : - D ) combine two Boolean values .
5 ) The break statement causes an exit …………….. ,
A ) only from the innermost loop .
B ) only from the innermost switch .
C ) from all loops and switches .
D ) from the innermost loop or switch .
Correct answers : - D ) from the innermost loop or switch .
6 ) The goto statement causes control to go to …………… ,
A ) an operator .
B ) a label .
C ) a variable .
D ) a function .
Correct answers: B ) a label .
7 ) A function’s single most important role is to ……………….. ,
A ) give a name to a block of code .
B ) reduce program size and help organize a program into conceptual units .
C ) accept arguments and provide a return value .
D ) perform repetition .
Correct answers : - B ) reduce program size and help organize a program into conceptual units .
8 ) When an argument is passed by reference ……………. ,
A ) a variable is created in the function to hold the argument’s value .
B ) the function cannot access the argument’s value .
C ) a temporary variable is created in the calling program to hold the argument’s value .
D ) the function accesses the argument’s original value in the calling program .
Correct answers : - D ) the function accesses the argument’s original value in the calling program .
9 ) In a class definition, data or functions designated private are accessible ………….. ,
A ) to any function in the program .
B ) only if you know the password .
C ) to member functions of that class .
D ) only to public members of the class .
Correct answers : - C ) to member functions of that class .
10 ) Data items in a class must be private .
A ) True ,
B ) False ,
Correct answers : - B ) False ,
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