Programming Quiz 2

Front 1

Which character signifies the beginning of an escape sequence?

Back 1

\

Front 2

These are used to declare variables that can hold real numbers.

Back 2

Floating point data types

Front 3

Assume that a program has the following string object definition:

string name;

Which of the following statements correctly assigns a string literal to the string object?

Back 3

name = "Jane";

Front 4

Which of the following defines a double-precision floating point variable named payCheck?

Back 4

double payCheck;

Front 5

The float data type is considered ________ precision, and the double data type is considered ________ precision.

Back 5

single, double

Front 6

What will the following code display?

int number = 7;

cout << "The number is " << "number" << endl;

Back 6

The number is number

Front 7

This function in C++ allows you to identify how many bytes of storage on your computer system an integer data value requires.

Back 7

sizeof

Front 8

________ must be included in any program that uses the cout object.

Back 8

The header file iostream

Front 9

What will the value of x be after the following statements execute?

int x;

x = 18 / 4;

Back 9

4

Front 10

A character literal is enclosed in ________ quotation marks, whereas a string literal is enclosed in ________ quotation marks.

Back 10

single, double

Front 11

What will the following code display?

cout << "Four" << "score" << endl;

cout << "and" << "seven" << endl;

cout << "years" << "ago" << endl;

Back 11

Fourscore

andseven

yearsago

Front 12

Assume that a program has the following variable definition:

char letter;

Which of the following statements correctly assigns the character Z to the variable?

Back 12

letter = 'Z';

Front 13

A statement that starts with a # symbol is called a:

Back 13

Preprocessor directive

Front 14

Every complete C++ program must have a ________.

Back 14

function named main

Front 15

A variable whose value can be either true or false is of this data type.

Back 15

bool

Front 16

Which one of the following would be an illegal variable name?

Back 16

3dGraph