Question: When you perform a math operation on two operands of the same data type, the result will always be of that data type.

Answer Choices:
True
False

Answer: True

 

Question: In C#, a variable must be assigned a value before it can be used.

Answer Choices:
True
False

Answer: True

 

Question: Any operation that can be performed on a string can be performed on a control’s Text property.

Answer Choices:
True
False

Answer: False

 

Question: In C#, all variables have a(n) _______ method that you can call to convert the variable’s value to a string.

Answer Choices:
cast
ToString
format
parse

Answer: ToString

 

Question: Fundamental types of data, such as strings, integers, and real numbers are known as __________.

Answer Choices:
fundamental data types
primitive data types
natural data types
basic data types

Answer: primitive data types

 

Question: The _______ is commonly used in financial applications because it can store real numbers with a great deal of precision.

Answer Choices:
decimal
int
double
string

Answer: decimal

 

Question: After a variable has been declared, you can use the = operator to store a value in the variable.

Answer Choices:
True
False

Answer: True

 

Question: You can assign int values to int, double, and decimal variables.

Answer Choices:
True
False

Answer: True

 

Question: A string can be converted to a decimal with the _______ method.

Answer Choices:
TryParseDecimal
decimal.TryParse
decimal.ToString
decimal.ParseString

Answer: decimal.TryParse

 

Question: A variable of the int data type can hold numbers with a fractional part, such as 22.1 or -4.9.

Answer Choices:
True
False

Answer: False

 

Question: You can use a cast operator to convert a string to a numeric type.

Answer Choices:
True
False

Answer: False

 

Question: A variable is visible only to statements outside the variable scope.

Answer Choices:
True
False

Answer: False

 

Question: A variable is visible only to statements outside the variable scope.

Answer Choices:
True
False

Answer: False

 

Question: You can declare multiple variables of different data types with one declaration statement.

Answer Choices:
True
False

Answer: False

 

Question: The IP address 10000011 11110101 10110101 11001111 is written in dotted decimal notation as:

Answer Choices:
193.234.186.206
193.224.176.205
137.237.166.195
137.247.170.193

Answer: 193.245.181.207