C Programming

1.	What will be the output of the program? #include<stdio.h> #define JOIN(s1, s2) printf("%s=%s %s=%s \n", #s1, s1, #s2, s2); int main() { char *str1="India"; char *str2="BIX"; JOIN(str1, str2); return 0; }
	A. str1=IndiaBIX str2=BIX B. str1=India str2=BIX C. str1=India str2=IndiaBIX D. Error: in macro substitution

2.	What will be the output of the program? #include<stdio.h> #define CUBE(x) (x*x*x) int main() { int a, b=3; a = CUBE(b++); printf("%d, %d\n", a, b); return 0; }
	A. 9, 4 B. 27, 4 C. 27, 6 D. Error

3.	What will be the output of the program? #include<stdio.h> #define PRINT(int) printf("int=%d, ", int); int main() { int x=2, y=3, z=4; PRINT(x); PRINT(y); PRINT(z); return 0; }
	A. int=2, int=3, int=4 B. int=2, int=2, int=2 C. int=3, int=3, int=3 D. int=4, int=4, int=4

4.	What will be the output of the program? #include<stdio.h> #define SWAP(a, b) int t; t=a, a=b, b=t; int main() { int a=10, b=12; SWAP(a, b); printf("a = %d, b = %d\n", a, b); return 0; }
	A. a = 10, b = 12 B. a = 12, b = 10 C. Error: Declaration not allowed in macro D. Error: Undefined symbol 't'

5.	What will be the output of the program? #include<stdio.h> #define FUN(i, j) i##j int main() { int va1=10; int va12=20; printf("%d\n", FUN(va1, 2)); return 0; }
	A. 10 B. 20 C. 1020 D. 12

C Programming

1.	What will be the output of the program? #include<stdio.h> int main() { int x=55; printf("%d, %d, %d\n", x<=55, x=40, x>=10); return 0; }
	A. 1, 40, 1 B. 1, 55, 1 C. 1, 55, 0 D. 1, 1, 1

2.	What will be the output of the program? #include<stdio.h> int main() { int i=2; printf("%d, %d\n", ++i, ++i); return 0; }
	A. 3, 4 B. 4, 3 C. 4, 4 D. Output may vary from compiler to compiler

3.	What will be the output of the program? #include<stdio.h> int main() { int k, num=30; k = (num>5 ? (num <=10 ? 100 : 200): 500); printf("%d\n", num); return 0; }
	A. 200 B. 30 C. 100 D. 500

4.	What will be the output of the program? #include<stdio.h> int main() { char ch; ch = 'A'; printf("The letter is"); printf("%c", ch >= 'A' && ch <= 'Z' ? ch + 'a' - 'A':ch); printf("Now the letter is"); printf("%c\n", ch >= 'A' && ch <= 'Z' ? ch : ch + 'a' - 'A'); return 0; }
	A. The letter is a Now the letter is A B. The letter is A Now the letter is a C. Error D. None of above

5.	What will be the output of the program? #include<stdio.h> int main() { int i=2; int j = i + (1, 2, 3, 4, 5); printf("%d\n", j); return 0; }
	A. 4 B. 7 C. 6 D. 5

C Programming

1.	What will be the output of the program? #include<stdio.h> int main() { int i=4, j=-1, k=0, w, x, y, z; w = i || j || k; x = i && j && k; y = i || j &&k; z = i && j || k; printf("%d, %d, %d, %d\n", w, x, y, z); return 0; }
	A. 1, 1, 1, 1 B. 1, 1, 0, 1 C. 1, 0, 0, 1 D. 1, 0, 1, 1

2.	What will be the output of the program? #include<stdio.h> int main() { int i=-3, j=2, k=0, m; m = ++i && ++j || ++k; printf("%d, %d, %d, %d\n", i, j, k, m); return 0; }
	A. 1, 2, 0, 1 B. -3, 2, 0, 1 C. -2, 3, 0, 1 D. 2, 3, 1, 1

3.	What will be the output of the program? #include<stdio.h> int main() { int x=4, y, z; y = --x; z = x--; printf("%d, %d, %d\n", x, y, z); return 0; }
	A. 4, 3, 3 B. 4, 3, 2 C. 3, 3, 2 D. 2, 3, 3 4.  What will be the output of the program? #include<stdio.h> int main() { int i=3; i = i++; printf("%d\n", i); return 0; } A. 3 B. 4 C. 5 D. 6

5.	What will be the output of the program? #include<stdio.h> int main() { int a=100, b=200, c; c = (a == 100 || b > 200); printf("c=%d\n", c); return 0; }
	A. c=100 B. c=200 C. c=1 D. c=300

C Programming

1.	What will be the output of the program? #include<stdio.h> int main() { int i=-3, j=2, k=0, m; m = ++i && ++j && ++k; printf("%d, %d, %d, %d\n", i, j, k, m); return 0; }
	A. -2, 3, 1, 1 B. 2, 3, 1, 2 C. 1, 2, 3, 1 D. 3, 3, 1, 2 2.  Assunming, integer is 2 byte, What will be the output of the program? #include<stdio.h> int main() { printf("%x\n", -2<<2); return 0; } A. ffff B. 0   C. fff8 D. Error

3.	What will be the output of the program? #include<stdio.h> int main() { int i=-3, j=2, k=0, m; m = ++i || ++j && ++k; printf("%d, %d, %d, %d\n", i, j, k, m); return 0; }
	A. 2, 2, 0, 1 B. 1, 2, 1, 0 C. -2, 2, 0, 0 D. -2, 2, 0, 1

4.	What will be the output of the program? #include<stdio.h> int main() { int x=12, y=7, z; z = x!=4 || y == 2; printf("z=%d\n", z); return 0; }
	A. z=0 B. z=1 C. z=4 D. z=2

5.	What will be the output of the program? #include<stdio.h> int main() { static int a[20]; int i = 0; a[i] = i ; printf("%d, %d, %d\n", a[0], a[1], i); return 0; }
	A. 1, 0, 1 B. 1, 1, 1 C. 0, 0, 0 D. 0, 1, 0