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49.	What is operator in C?
	The symbols which are used to perform logical and mathematical operations in a C program are called C operators. These C operators join individual constants and variables to form expressions. Operators, functions, constants and variables are combined together to form expression.
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50.	What are the different types of operators in C?
	C language offers many types of operators. They are Arithmetic operators Assignment operators Relational operators Logical operators Bit wise operators Conditional operators (ternary operators) Increment/decrement operators Special operators
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51.	What is bitwise operator in C?
	Bitwise operators are used to perform bit operations. Decimal values are converted into binary values which are the sequence of bits and bit wise operators work on these bits. Bit wise operators in C language are &(bitwise AND), | (bit wise OR), ~ (bitwise OR), ^ (XOR), << (left shift) and >> (right shift).
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52.	What is the significance of storage class?
	The storage class, in general, determines the scope and lifetime of a variable, which in turn helps to economize the memory usage.
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