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C Programming

C Programming
Determine Output:#define prod(a,b) a*bvoid main(){ int x=3, y=4; printf("%d", prod(x+2, y-1));}

11
10
12
15

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C Programming
A C variable cannot start with

A special symbol other than underscore
A number
Both of the above
An alphabet

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C Programming
What will be the output of the given program?#includevoid main(){float num=5.6;switch(num){case 5:printf("5");case 6:printf("6");default : printf("0");break;}printf("%d", num);}

5 5.600000
6 5.600000
Complier error
0 5.600000

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C Programming
What will be the value of sum after the following program is executed?void main(){ int sum=1, index = 9; do{ index = index – 1; sum *= 2; }while( index > 9 );}

9
0.25
1
2
0.5

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C Programming
Determine Output:main(){ char *str1 = "abcd"; char str2[] = "abcd"; printf("%d %d %d", sizeof(str1), sizeof(str2), sizeof("abcd"));}

2 5 5
2 4 5
8 5 5
2 4 4

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C Programming
What will be the output of the following program?void main(){ int a, b, c, d; a = 3; b = 5; c = a, b; d = (a, b); printf("c=%d d=%d", c, d);}

c=5 d=3
c=3 d=5
c=5 d=5
c=3 d=3

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