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Which one of the following operators is a unary operator in c language? ans.&<<&&sizeof() Previous Marked for Review Next

Question

Which one of the following operators is a unary operator in C language?

  • ans.
  • &
  • <<
  • &&
  • sizeof()
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Solution

The unary operator in C language from the given options is sizeof().

Here's why:

  1. & (Address of) Operator: This is a unary operator which returns the memory address of its operand.

  2. << (Left Shift) Operator: This is a binary operator which shifts the bits of the number at its left for the number of places specified by the number at its right.

  3. && (Logical AND) Operator: This is a binary operator which returns true if both its operands are true.

  4. sizeof() Operator: This is a unary operator which returns the size of the variable or datatype placed inside its parentheses.

So, the unary operator from the given options is sizeof().

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