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C Programming

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

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

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C Programming
What will be the output of the program ?#includevoid main(){ float arr[] = {12.4, 2.3, 4.5, 6.7}; printf("%d", sizeof(arr)/sizeof(arr[0]));}

5
None of these
6
7
4

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C Programming
Determine Output:#define clrscr() 100void main(){ clrscr(); printf("%d", clrscr());}

100
Error
1

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C Programming
What is right way to Initialize array?

int n{6} = { 2, 4, 12 };
int n(6) = { 2, 4, 12, 5, 45, 5 };
int n{} = { 2, 4, 12, 5, 45, 5 };
int num[6] = { 2, 4, 12, 5, 45, 5 };

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C Programming
For 16-bit compiler allowable range for integer constants is ________?

-32668 to 32667
-32768 to 32767
-3.4e38 to 3.4e38
-32767 to 32768

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C Programming
Determine Output:void main(){ int i; printf("%d", scanf("%d", &i)); // value 10 is given as input here}

None of These
1
Garbage Value
10

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