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C Programming

C Programming
Determine output:void main(){ extern int i; i=20; printf("%d", sizeof(i));}

Compiler Error
Linker Error
20
2

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C Programming
C was primarily developed as

Data processing language
System programming language
None of these
General purpose language

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C Programming
Any C program

Must contain at least one function.
Needs input data.
None of these
Need not contain any function.

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C Programming
Consider the following program fragment, and choose the correct onevoid main(){ int a, b = 2, c; a = 2 * (b++); c = 2 * (++b);}

a = 4, c = 8
b = 3, c = 6
a = 4, c = 6
a = 3, c = 8
b = 4, c = 6

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C Programming
A function 'p' that accepts a pointer to a character as argument and returns a pointer to an array of integer can be declared as

int (*p) (char *)[]
int *p(char *)[]
None of these.
int(*p(char *))[]

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C Programming
Choose the best answer.Prior to using a pointer variable

It should be both declared and initialized.
It should be initialized.
None of these.
It should be declared.

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