Question 1

How many values can be returned from a function?

Accepted Answer

A)  0
B)  1
C)  2
D)  3 B

Question 2

When arguments are passed by value, the function works with the original arguments in the calling program.

Accepted Answer

A) True 
 B)False  False

Question 3

Which of the following can legitimately be passed to a function?

Accepted Answer

A)  a constant
B)  a variable
C)  a structure
D)  all of the above D

Question 4

When an array name is passed to a function, the function

Accepted Answer

A)  accesses exactly the same array as the calling program.
B)  refers to the array using a different name than that used by the calling program.
C)  refers to the array using the same name as that used by the calling program.
D)  a and b

Question 5

Overloaded functions

Accepted Answer

A)  are a group of functions with the same name.
B)  all have the same number and types of arguments.
C)  make life simpler for programmers.
D)  a and c

Question 6

In C++ there can be an array of four dimensions.

Accepted Answer

A) True 
 B)False

Question 7

Can destuctors be private in C++?

Accepted Answer

A) True 
 B)False

Question 8

You should prefer C-strings to the Standard C++ string class in new programs.

Accepted Answer

A) True 
 B)False

Question 9

What value will be printed for data.i?

Accepted Answer

A)  10 220.5 230.5 unpredictable value
B)  220
C)  230.5
D)  unpredictable value

Question 10

When a function returns a value, the entire function call can appear on the right side of the equal sign and be assigned to another variable.

Accepted Answer

A) True 
 B)False

Question 11

What will be the output of the program?

Accepted Answer

A)  1
B)  default value
C)  will not compile
D)  none of the above

Question 12

Which of the following feature is not supported by C++?

Accepted Answer

A)  exception handling
B)  reflection
C)  operator overloading
D)  namespace

Question 13

What will be the output of the following program?

Accepted Answer

A)  compilation error: display()  cannot be accessed in application
B)  compilation error:test class object cannot be accessed in function demo
C)  compilation error: variable x is private in test
D)  both a and b

Question 14

The operators that cannot be overloaded is

Accepted Answer

A)  *
B)  -
C)  ::
D)  ()

Question 15

When an argument is passed by reference

Accepted Answer

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.

Question 16

A static local variable is used to

Accepted Answer

A)  make a variable visible to several functions.
B)  make a variable visible to only one function.
C)  retain a value when a function is not executing.
D)  b and c

Question 17

What is the compilation error for this program?

Accepted Answer

A)  each undeclared identifier is reported only once
B)  cout and cin not declared in scope
C)  invalid conversion from int to float
D)  all of the above

Question 18

Objects of the string class

Accepted Answer

A)  are zero-terminated.
B)  can be copied with the assignment operator.
C)  do not require memory management.
D)  both b and c

Question 19

The extraction operator (>>) stops reading a string when it encounters a space.

Accepted Answer

A) True 
 B)False

Question 20

The compiler will complain if you try to access array element 14 in a 10-element array.

Accepted Answer

A) True 
 B)False

Exam 2: C++ Function and Array

How many values can be returned from a function?

When arguments are passed by value, the function works with the original arguments in the calling program.

Which of the following can legitimately be passed to a function?

When an array name is passed to a function, the function

Overloaded functions

In C++ there can be an array of four dimensions.

Can destuctors be private in C++?

You should prefer C-strings to the Standard C++ string class in new programs.

What value will be printed for data.i?

When a function returns a value, the entire function call can appear on the right side of the equal sign and be assigned to another variable.

What will be the output of the program?

Which of the following feature is not supported by C++?

What will be the output of the following program?

The operators that cannot be overloaded is

When an argument is passed by reference

A static local variable is used to

What is the compilation error for this program?

Objects of the string class

The extraction operator (>>) stops reading a string when it encounters a space.

The compiler will complain if you try to access array element 14 in a 10-element array.