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31.	What is meant by Identifires?
	Identifiers are also called as variables. Variables are memory boxes that hold values or constants. A variable name must begin with an alphabet or underscore followed by alphabets or numbers.
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32.	What is built in data type?
	Built in Data Type is also called as Fundamental or Basic data type. They are predefined in the compiler.
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33.	What are data types?
	The kind of data variable hold in a programming language is called the data types.
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34.	What is a modifier?
	A modifier, also called a modifying function is a member function that changes the value of at least one data member. In other words, an operation that modifies the state of an object. Modifies are also known as 'mutators'.
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35.	What is the use of cin object?
	Data is read from the keyboard during runtime by using the object cin.
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