write a C program:There is a mobile keypad with numbers 0-9
and alphabets on it. Take input 0f 7 keys and then form a
word from the alphabets present on the keys.
Explain the difference between structs and unions in c?
find largest element in array w/o using sorting techniques.
What is call by value in c?
What is Conio.h ?
Find duplicates in a file containing 6 digit number (like uid) in O (n) time.
Explain what is meant by 'bit masking'?
Is main is a keyword in c?
what is call by value and call by reference
Is it cc or c in a letter?
If you know then define #pragma?
What is the purpose of clrscr () printf () and getch ()?
How does normalization of huge pointer works?