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C Programming

C Programming
Which is the only function all C programs must contain?

system()
start()
getch()
printf()
main()

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C Programming
Determine output:main(){ int i = 5; printf("%d%d%d%d%d", i++, i--, ++i, --i, i);}

54544
45545
45445
54554

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C Programming
Determine Output:void main(){ struct xx { int x=3; char name[] = "hello"; }; struct xx *s = malloc(sizeof(struct xx)); printf("%d", s->x); printf("%s", s->name); }

Compiler Error
Linking error
None of these
3 hello

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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);}

0 5.600000
6 5.600000
Complier error
5 5.600000

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C Programming
C Language developed at _________?

AT & T's Bell Laboratories of USA in 1972
Cambridge University in 1972
Sun Microsystems in 1973
AT & T's Bell Laboratories of USA in 1970

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C Programming
If the two strings are identical, then strcmp() function returns

None of these
-1
1
true
0

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