Question 1

What is the value stored at x, given the statements: int x;
x = 3 / static_cast<int>(4.5 + 6.4);

Accepted Answer

A)  .3 
B)  0 
C)  .275229 
D)  3.3 
E)  None of these

Question 2

The statement
cout << setprecision(5) << dollars << endl;
will output $5.00 to the screen.

Accepted Answer

A) True 
 B)False

Question 3

What will the value of result be after the following statement executes? result = 6 - 3 * 2 + 7 - 10 / 2 ;

Accepted Answer

A)  8 
B)  6 
C)  1.5 
D)  2

Question 4

___________reads a line of input, including leading and embedded spaces, and stores it in a string object.

Accepted Answer

A)  cin.get 
B)  getline 
C)  cin.getline 
D)  get 
E)  None of these

Question 5

The total number of digits that appear before and after the decimal point is sometimes referred to as:

Accepted Answer

A)  floating points 
B)  significant digits 
C)  precision 
D)  b and c 
E)  None of these

Question 6

This manipulator causes the field to be left-justified with padding spaces printed to the right.

Accepted Answer

A)  left_justify 
B)  right 
C)  left 
D)  left_pad 
E)  None of these

Question 7

What will the value of x be after the following statements execute? int x = 0;
Int y = 5;
Int z = 4;
X = y + z * 2;

Accepted Answer

A)  13 
B)  18 
C)  0 
D)  unknown

Question 8

When the fixed manipulator is used, the value specified by the setprecision manipulator will be the number of digits to appear after the decimal point.

Accepted Answer

A) True 
 B)False

Question 9

Which statement will read an entire line of input into the following string object? string address;

Accepted Answer

A)  cin << address; 
B)  cin address; 
C)  getline(cin, address); 
D)  cin.get(address); 
E)  None of the above

Question 10

Which line in the following program will cause a compiler error? 
1 $\quad$#include <iostream>
2 $\quad$using namespace std;
3
4 $\quad$int main()
5 $\quad${
6 $\quad$$\quad$const int MY_VAL = 77;
7 $\quad$$\quad$MY_VAL = 99;
8 $\quad$$\quad$cout << MY_VAL << endl;
9 $\quad$$\quad$return 0;
10 $\quad$}

Accepted Answer

A)  6 
B)  8 
C)  9 
D)  7

Question 11

When a variable is assigned a number that is too large for its data type, it:

Accepted Answer

A)  underflows 
B)  overflows 
C)  reverses polarity 
D)  exceeds expectations 
E)  None of the above

Question 12

The ______ operator always follows the cin object, and the ______ operator follows the cout object.

Accepted Answer

A)  binary, unary 
B)  conditional, binary 
C)  >>, > 
E)  None of the above

Question 13

In the following C++ statement, what will be executed first according to the order of precedence? result = 6 - 3 * 2 + 7 - 10 / 2 ;

Accepted Answer

A)  6 - 3 
B)  3 * 2 
C)  2 + 7 
D)  7 - 10 
E)  10 / 2

Question 14

The _________ causes a program to wait until information is typed at the keyboard and the Enter key is pressed.

Accepted Answer

A)  Output stream 
B)  cin object 
C)  cout object 
D)  Preprocessor 
E)  None of the above

Question 15

If you want to know the length of the string that is stored in a string object, you can call the object's size member function.

Accepted Answer

A) True 
 B)False

Question 16

This statement will pause the screen, until the [Enter] key is pressed.

Accepted Answer

A)  cin; 
B)  cin.getline(); 
C)  cin.get(); 
D)  cin.ignore(); 
E)  cin.input();

Question 17

This function tells the cin object to skip one or more characters in the keyboard buffer.

Accepted Answer

A)  cin.ignore 
B)  cin.jump 
C)  cin.hop 
D)  cin.skip; 
E)  None of the above

Question 18

Which statement is equivalent to the following? number += 1;

Accepted Answer

A)  number = number + 1; 
B)  number + 1; 
C)  number = 1; 
D)  None of these

Question 19

What is the value of number after the following statements execute? int number = 10;
Number += 5;
Number -= 2;
Number *= 3;

Accepted Answer

A)  3 
B)  30 
C)  15 
D)  2

Question 20

Arithmetic operators that share the same precedence have right to left associativity.

Accepted Answer

A) True 
 B)False

Exam 3: Expressions and Interactivity

What is the value stored at x, given the statements: int x; x = 3 / static_cast<int>(4.5 + 6.4) ;

The statement cout << setprecision(5) << dollars << endl; will output $5.00 to the screen.

What will the value of result be after the following statement executes? result = 6 - 3 * 2 + 7 - 10 / 2 ;

___________reads a line of input, including leading and embedded spaces, and stores it in a string object.

The total number of digits that appear before and after the decimal point is sometimes referred to as:

This manipulator causes the field to be left-justified with padding spaces printed to the right.

What will the value of x be after the following statements execute? int x = 0; Int y = 5; Int z = 4; X = y + z * 2;

When the fixed manipulator is used, the value specified by the setprecision manipulator will be the number of digits to appear after the decimal point.

Which statement will read an entire line of input into the following string object? string address;

When a variable is assigned a number that is too large for its data type, it:

The operator always follows the cin object, and the operator follows the cout object.

In the following C++ statement, what will be executed first according to the order of precedence? result = 6 - 3 * 2 + 7 - 10 / 2 ;

The _________ causes a program to wait until information is typed at the keyboard and the Enter key is pressed.

If you want to know the length of the string that is stored in a string object, you can call the object's size member function.

This statement will pause the screen, until the [Enter] key is pressed.

This function tells the cin object to skip one or more characters in the keyboard buffer.

Which statement is equivalent to the following? number += 1;

What is the value of number after the following statements execute? int number = 10; Number += 5; Number -= 2; Number *= 3;

Arithmetic operators that share the same precedence have right to left associativity.

Exam 3: Expressions and Interactivity

What is the value stored at x, given the statements: int x; x = 3 / static_cast<int>(4.5 + 6.4) ;

The statement cout << setprecision(5) << dollars << endl; will output $5.00 to the screen.

What will the value of result be after the following statement executes? result = 6 - 3 * 2 + 7 - 10 / 2 ;

___________reads a line of input, including leading and embedded spaces, and stores it in a string object.

The total number of digits that appear before and after the decimal point is sometimes referred to as:

This manipulator causes the field to be left-justified with padding spaces printed to the right.

What will the value of x be after the following statements execute? int x = 0; Int y = 5; Int z = 4; X = y + z * 2;

When the fixed manipulator is used, the value specified by the setprecision manipulator will be the number of digits to appear after the decimal point.

Which statement will read an entire line of input into the following string object? string address;

Which line in the following program will cause a compiler error? 1 \quad #include <iostream> 2 \quad using namespace std; 3 4 \quad int main() 5 \quad { 6 \quad\quad const int MY_VAL = 77; 7 \quad\quad MY_VAL = 99; 8 \quad\quad cout << MY_VAL << endl; 9 \quad\quad return 0; 10 \quad }

When a variable is assigned a number that is too large for its data type, it:

The ______ operator always follows the cin object, and the ______ operator follows the cout object.

In the following C++ statement, what will be executed first according to the order of precedence? result = 6 - 3 * 2 + 7 - 10 / 2 ;

The _________ causes a program to wait until information is typed at the keyboard and the Enter key is pressed.

If you want to know the length of the string that is stored in a string object, you can call the object's size member function.

This statement will pause the screen, until the [Enter] key is pressed.

This function tells the cin object to skip one or more characters in the keyboard buffer.

Which statement is equivalent to the following? number += 1;

What is the value of number after the following statements execute? int number = 10; Number += 5; Number -= 2; Number *= 3;

Arithmetic operators that share the same precedence have right to left associativity.

The operator always follows the cin object, and the operator follows the cout object.