Structure And Union — Part 2 MCQs with Explanations

Compile time error is the correct answer to “What will be the output of the following C code? #include <stdio.h> void main() { struct student { int no; char name[20]; }; struct student s; no = 8; printf("%d", no); }”. This question is standard in competitive examination syllabi for Structure And Union.

1 5 is the correct answer to “What will be the output of the following C code? #include <stdio.h> struct p { int x; char y; }; int main() { struct p p1[] = {1, 92, 3, 94, 5, 96}; struct p *ptr1 = p1; int x = (sizeof(p1) / sizeof(struct p)); printf("%d %d\n", ptr1->x, (ptr1 + x - 1)->x); }”. This question is standard in competitive examination syllabi for Structure And Union.

Compile time error is the correct answer to “What will be the output of the following C code? #include <stdio.h> struct point { int x; int y; }; int main() { struct point p = {1}; struct point p1 = {1}; if(p == p1) printf("equal\n"); else printf("not equal\n"); }”. This question is standard in competitive examination syllabi for Structure And Union.

none of the mentioned is the correct answer to “Which of the following structure declaration doesn't require pass-by-reference”. This question is standard in competitive examination syllabi for Structure And Union.

Multiple of integer size is the correct answer to “How many bytes in memory taken by the following C structure? #include <stdio.h> struct test { int k; char c; };”. This question is standard in competitive examination syllabi for Structure And Union.

1 is the correct answer to “What will be the output of the following C code? #include <stdio.h> typedef struct p { int x, y; }k; int main() { struct p p = {1, 2}; k k1 = p; printf("%d\n", k1.x); }”. This question is standard in competitive examination syllabi for Structure And Union.

this is the correct answer to “What will be the output of the following C code? #include <stdio.h> void main() { char *a[3] = {"hello", "this"}; printf("%s", a[1]); }”. This question is standard in competitive examination syllabi for Structure And Union.

alan is the correct answer to “What will be the output of the following C code? #include <stdio.h> struct student { char *name; }; struct student fun(void) { struct student s; s.name = "alan"; return s; } void main() { struct student m = fun(); printf("%s", m.name); }”. This question is standard in competitive examination syllabi for Structure And Union.

void foo(struct *var) is the correct answer to “What is the correct syntax to declare a function foo() which receives an array of structure in function”. This question is standard in competitive examination syllabi for Structure And Union.

Segmentation fault is the correct answer to “What will be the output of the following C code? #include <stdio.h> struct student { char *c; }; void main() { struct student *s; s->c = "hello"; printf("%s", s->c); }”. This question is standard in competitive examination syllabi for Structure And Union.

Segmentation fault/code crash is the correct answer to “What will be the output of the following C code? #include <stdio.h> struct p { int x[2]; }; struct q { int *x; }; int main() { struct p p1 = {1, 2}; struct q *ptr1; ptr1->x = (struct q*)&p1.x; printf("%d\n", ptr1->x[1]); }”. This question is standard in competitive examination syllabi for Structure And Union.

97 is the correct answer to “What will be the output of the following C code? #include <stdio.h> union p { int x; char y; }k = {.y = 97}; int main() { printf("%d\n", k.y); }”. This question is standard in competitive examination syllabi for Structure And Union.

st st is the correct answer to “What will be the output of the following C code? #include <stdio.h> struct student { char *name; }; void main() { struct student s, m; s.name = "st"; m = s; printf("%s%s", s.name, m.name); }”. This question is standard in competitive examination syllabi for Structure And Union.

Compile time error is the correct answer to “What will be the output of the following C code? #include <stdio.h> struct student { char *name; }; struct student s[2], r[2]; void main() { s[0].name = "alan"; s[1] = s[0]; r = s; printf("%s%s", r[0].name, r[1].name); }”. This question is standard in competitive examination syllabi for Structure And Union.

1 somegarbagevalue is the correct answer to “What will be the output of the following C code? #include <stdio.h> struct point { int x; int y; }; void foo(struct point*); int main() { struct point p1[] = {1, 2, 3, 4, 5}; foo(p1); } void foo(struct point p[]) { printf("%d %d\n", p->x, p[3].y); }”. This question is standard in competitive examination syllabi for Structure And Union.

her is the correct answer to “What will be the output of the following C code? #include <stdio.h> void main() { char *a[3][3] = {{"hey", "hi", "hello"}, {"his", "her", "hell"} , {"hellos", "hi's", "hmm"}}; printf("%s", a[1][1]); }”. This question is standard in competitive examination syllabi for Structure And Union.

2 is the correct answer to “What will be the output of the following C code? #include <stdio.h> union u { struct { unsigned char x : 2; unsigned int y : 2; }p; int x; }; int main() { union u u = {2}; printf("%d\n", u.p.x); }”. This question is standard in competitive examination syllabi for Structure And Union.

10 10 is the correct answer to “What will be the output of the following C code? #include <stdio.h> struct p { int k; char c; }; int p = 10; int main() { struct p x; x.k = 10; printf("%d %d\n", x.k, p); }”. This question is standard in competitive examination syllabi for Structure And Union.

xyz is the correct answer to “What will be the output of the following C code? #include <stdio.h> struct p { char *name; struct p *next; }; struct p *ptrary[10]; int main() { struct p p; p.name = "xyz"; p.next = NULL; ptrary[0] = &p; printf("%s\n", ptrary[0]->name); return 0; }”. This question is standard in competitive examination syllabi for Structure And Union.

Compile time error is the correct answer to “What will be the output of the following C code? #include <stdio.h> struct p { char *name; struct p *next; }; struct p *ptrary[10]; int main() { struct p p; p->name = "xyz"; p->next = NULL; ptrary[0] = &p; printf("%s\n", p->name); return 0; }”. This question is standard in competitive examination syllabi for Structure And Union.

Both *symtab[i].u.sval & symtab[i].u.sval[0]. is the correct answer to “In the following C code, we can access the 1st character of the string sval by using . . . . . . #include <stdio.h> struct { char *name; union { char *sval; } u; } symtab[10]; . .”. This question is standard in competitive examination syllabi for Structure And Union.

Compile time error is the correct answer to “What will be the output of the following C code? #include <stdio.h> struct point { int x; int y; }; struct notpoint { int x; int y; }; int main() { struct point p = {1}; struct notpoint p1 = p; printf("%d\n", p1.x); }”. This question is standard in competitive examination syllabi for Structure And Union.

hello is the correct answer to “What will be the output of the following C code? #include <stdio.h> struct student { char *c; }; void main() { struct student m; struct student *s = &m; s->c = "hello"; printf("%s", m.c); }”. This question is standard in competitive examination syllabi for Structure And Union.

8 is the correct answer to “What will be the output of the following C code? #include <stdio.h> struct student { char *c; struct student *point; }; void main() { struct student s; printf("%d", sizeof(s)); }”. This question is standard in competitive examination syllabi for Structure And Union.

Does not create a new type, It merely adds a new name for some existing type is the correct answer to “What is typedef declaration”. This question is standard in competitive examination syllabi for Structure And Union.

*my_struct.b = 10 is the correct answer to “Which of the following is an incorrect syntax for pointer to structure? (Assuming struct temp{int b;}*my_struct;)”. This question is standard in competitive examination syllabi for Structure And Union.

Biggest member in the union is the correct answer to “The size of a union is determined by the size of the . . . . . . . .”. This question is standard in competitive examination syllabi for Structure And Union.

Compile time error is the correct answer to “What will be the output of the following C code? #include <stdio.h> struct p { int x; char y; }; typedef struct p* q*; int main() { struct p p1[] = {1, 92, 3, 94, 5, 96}; q ptr1 = p1; printf("%d\n", ptr1->x); }”. This question is standard in competitive examination syllabi for Structure And Union.

None of the mentioned is the correct answer to “Which of the following is not possible regarding the structure variable”. This question is standard in competitive examination syllabi for Structure And Union.

12 is the correct answer to “What will be the output of the following C code? (Assuming size of int be 4) #include <stdio.h> struct temp { int a; int b; int c; } p[] = {0}; main() { printf("%d", sizeof(p)); }”. This question is standard in competitive examination syllabi for Structure And Union.

1 is the correct answer to “What will be the output of the following C code? #include <stdio.h> union p { int x; char y; }k = {1, 97}; int main() { printf("%d\n", k.y); }”. This question is standard in competitive examination syllabi for Structure And Union.

1 is the correct answer to “What will be the output of the following C code? #include <stdio.h> typedef struct p *q; struct p { int x; char y; q ptr; }; int main() { struct p p = {1, 2, &p}; printf("%d\n", p.ptr->x); return 0; }”. This question is standard in competitive examination syllabi for Structure And Union.

. is the correct answer to “Which operator connects the structure name to its member name”. This question is standard in competitive examination syllabi for Structure And Union.

All of the mentioned is the correct answer to “Which of the following may create problem in the typedef program”. This question is standard in competitive examination syllabi for Structure And Union.

1 is the correct answer to “What will be the output of the following C code? #include <stdio.h> struct point { int x; int y; }; void foo(struct point*); int main() { struct point p1[] = {1, 2, 3, 4}; foo(p1); } void foo(struct point p[]) { printf("%d\n", p->x); }”. This question is standard in competitive examination syllabi for Structure And Union.

Output will be 10 is the correct answer to “What will be the output of the following C code? #include <stdio.h> struct temp { int a; } s; void change(struct temp); main() { s.a = 10; change(s); printf("%d\n", s.a); } void change(struct temp s) { s.a = 1; }”. This question is standard in competitive examination syllabi for Structure And Union.

alan alan alan turing is the correct answer to “What will be the output of the following C code? #include <stdio.h> struct student { char *name; }; struct student s[2]; void main() { s[0].name = "alan"; s[1] = s[0]; printf("%s%s", s[0].name, s[1].name); s[1].name = "turing"; printf("%s%s", s[0].name, s[1].name); }”. This question is standard in competitive examination syllabi for Structure And Union.

Compile time error is the correct answer to “What will be the output of the following C code? #include <stdio.h> struct p { int x; char y; }; void foo(struct p* ); int main() { typedef struct p* q; struct p p1[] = {1, 92, 3, 94, 5, 96}; foo(p1); } void foo(struct p* p1) { q ptr1 = p1; printf("%d\n", ptr1->x); }”. This question is standard in competitive examination syllabi for Structure And Union.

Hash search is the correct answer to “Which algorithm is used for searching in the table”. This question is standard in competitive examination syllabi for Structure And Union.

struct temp { unsigned int a : 1; }s is the correct answer to “What is the correct syntax to initialize bit-fields in an structure”. This question is standard in competitive examination syllabi for Structure And Union.