15 dec 2023 SRMIST TRC MCA FN

#include<stdio.h> main() { typedef int a; a b=2, c=8, d; d=(b*2)/2+8; printf("%d",d); }

• 10
• 16
• 8
• error

#include<stdio.h> #include<string.h> typedef struct employee { char name[50]; int salary; } e1; void main( ) { printf("Enter Employee name"); scanf("%s",e1.name); printf("\n%s",e1.name); }

• world.name
• nworld
• world
• error

What is the size of myArray in the code shown below? (Assume that 1 character occupies 1 byte) typedef char x[10]; x myArray[5];

• 5bytes
• 10bytes
• 40 bytes
• 50 bytes

#include<stdio.h> int main() { typedef union a { int i; char ch[2]; }hello; hello u; u.ch[0] = 3; u.ch[1] = 2; printf("%d, %d", u.ch[0], u.ch[1]); return 0; }

• 2, 3
• 3, 2
• 32
• error

#include<stdio.h> int main() { typedef union a { int i; char ch[2]; }hello; hello u; u.ch[0] = 3; u.ch[1] = 2; printf("%d, %d", u.ch[0], u.ch[1]); return 0; }

• 20
• 10
• 5
• 2

#include <stdio.h> typedef int Arr[4]; // Driver code int main() { Arr temp = { 10, 20, 30, 40 }; printf("typedef using an array\n"); for (int i = 0; i < 4; i++) { printf("%d ", temp[i]); } return 0; }

• typedef using an array 10 20 30 40
• typedef using an array 30 40 10 20
• typedef using an array 40 30 20 10
• compile time error

Which member of the union will be active after REF LINE in the following C code? #include <stdio.h> union temp { int a; float b; char c; }; union temp s = {1,2.5,’A’};

• a
• b
• c
• Such declaration are illegal

What would be the size of the following union declaration? (Assuming size of double = 8, size of int = 4, size of char = 1) #include <stdio.h> union uTemp { double a; int b[10]; char c; }u;

• 4
• 8
• 40
• 80

What will be the output of the following C code (Assuming size of int and float is 4)? #include <stdio.h> union { int ival; float fval; } u; void main() { printf("%d", sizeof(u)); }

• 16
• 4
• 8
• 32

#include <stdio.h> union stu { int ival; float fval; }; void main() { union stu r; r.ival = 5; printf("%d", r.ival); }

• 9
• compile time error
• 16
• 5