C Programming Question and Answers

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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