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CP CVDT Q44

44What does the declaration int x : 4; specify when used inside a C structure or union?
  • Option : C
  • Explanation : In C, int x : 4; declares a bit-field named x with a width of four bits when used inside a structure or union. Bit-fields allow integer members to occupy a specified number of bits. Whether a plain int bit-field is signed or unsigned is implementation-defined. This declaration does not define an ordinary standalone integer variable, an array, or a pointer. Therefore, option C is correct.
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