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C Programming

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

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

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C Programming
What will be printed when this program is executed?int f(int x){ if(x <= 4) return x; return f(--x);}void main(){ printf("%d ", f(7)); }

1 2 3 4
4
4 5 6 7
Runtime error
Syntax error

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C Programming
#includevoid main(){ int *ptr, a=10; ptr = &a; *ptr += 1; printf("%d, %d", *ptr, a);}

10, 11
10, 10
11, 10
11, 11

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C Programming
Determine output:main(){ int i = abc(10); printf("%d", --i);}int abc(int i){ return(i++);}

None of these.
9
10
11

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C Programming
Determine Output:#define square(x) x*xvoid main(){ int i; i = 64/square(4); printf("%d", i);}

64
None of These
4
16

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C Programming
The address operator &, cannot act on

R-values
Members of a structure
Arithmetic expressions
Both of the above
Local variables

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