Campus Recruitment Tech Quiz- 32

Consider the following C declaration

struct {

short s [5]

union {

float y;

long z;

}u;

} t;

Assume that objects of the type short, float and long occupy 2 bytes, 4 bytes and 8 bytes, respectively. The memory requirement for variable t, ignoring alignment considerations, is

Which of the following is true regarding structure in C language ?

Which of the following protocol pairs can be used to send and retrieve e-mails (in that order)?

Given a set of functional dependencies on R (A, B, C, D, E) find the number of candidate keys?

{
  A → B

  BC → E

  DE → A
}