Explore topic-wise MCQs in Technical MCQs.

This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Technical MCQs knowledge and support exam preparation. Choose a topic below to get started.

1.

size of union is size of the longest element in the union

A. Yes
B. No
C. May Be
D. Can't Say
E.
Answer» B. No
Discussion
2. 

union demo{  float x;  int y;  char z[10];};
7.Members of a union are accessed as________________.

A. union-name.member
B. union-pointer->member
C. Both a & b
D. None of the mentioned
Answer» D. None of the mentioned
Discussion
3.

The size of the following union, where an int occupies 4 bytes of memory is

A. 8 byte
B. 4 byte
C. 10 byte
D. 18 byte
Answer» D. 18 byte
Discussion
4.

Union differs from structure in the following way

A. All members are used at a time
B. Only one member can be used at a time
C. Union cannot have more members
D. Union initialized all members as structure
Answer» C. Union cannot have more members
Discussion