Quiz2

Question 1

In C#, you can display variable values by using the variable name within a ____ method call.

Answer 1

WriteLine()

Question 2

You declare a Boolean variable by using type ____.

Answer 2

bool

Question 3

A(n) ____ involves placing the desired result type in parentheses followed by the variable or constant to be cast.

Answer 3

explicit cast

Question 4

A program that allows user input is a(n) ____ program.

Answer 4

interactive

Question 5

A(n) ____ declaration is the statement that names a variable and reserves storage for it.

Answer 5

variable

Question 6

You can use a prefix or postfix ____ operator (–) that reduces a variable’s value by one.

Answer 6

decrement

Question 7

In C#, you use the ____ data type to hold a series of characters.

Answer 7

string

Question 8

The ____ method from the Convert class converts a specified value to a single-precision floating-point number.

Answer 8

ToSingle()

Question 9

____ are strings of characters expressed within double quotation marks that indicate a format for output.

Answer 9

Standard numeric format strings

Question 10

A(n) ____ is a named location in computer memory that can hold different values at different points in time.

Answer 10

variable

Question 11

An instruction to the user to enter data is called a ____.

Answer 11

prompt

Question 12

A ____ is a string of characters that optionally contains fixed text and contains one or more format items or placeholders for variable values.

Answer 12

format string

Question 13

Arithmetic operators are called ____ operators when you use two arguments with each operator.

Answer 13

binary

Question 14

You create a named constant similarly to the way you create a named variable, but by using the keyword ____.

Answer 14

const

Question 15

____ is the automatic transformation that occurs when a value is assigned to a type with higher precedence.

Answer 15

Explicit cast

Question 16

You can use the ____ method to accept user input from the keyboard.

Answer 16

Console.ReadLine()

Question 17

The += operator is the ____ operator; it adds the operand on the right to the operand on the left and assigns it to the operand on the left in one step.

Answer 17

add and assign

Question 18

You use the ____ data type to hold any single character.

Answer 18

char

Question 19

A ____ consists of a pair of curly braces containing a number that indicates the desired variable’s position in a list that follows the string.

Answer 19

placeholder

Question 20

The ____ method from the Convert class converts a specified value to an 8-bit unsigned integer.

Answer 20

ToByte()

Question 21

A(n) ____ number is one that contains decimal positions.

Answer 21

floating-point