Question { 5022 }

What is the scope of static variables?

Answer

Local to the block

Question { 4028 }

what is the use of ‘auto’ keyword?

Answer

scope of the auto keyword is local to the block in which
the variable is defined.

for ex:
main()
{
auto int i=1;
{
auto int i=2;
{
auto int i=3;
printf("%d",i);
}
printf("%d",i);
}
printf("%d",i);
}
the op would be 321

Question { TCS, 5659 }

what does ‘#include’ mean?

Answer

This is a preprocessor directive & causes one file to be
included into another. Whenever we #include a file it
causes the entire contents of the file to be inserted into
the source code

Question { 5749 }

how to write a data 10 in address location 0x2000

Answer

int main()
{
int *ptr;
ptr = (int *)2000;
*ptr = 10;
printf("%d", *ptr);
}