Write a simple code fragment that will check if a number is positive or negative.
What is the difference between functions abs() and fabs()?
What are run-time errors?
What are the different data types in C?
What does the function toupper() do?
Is it possible to initialize a variable at the time it was declared?
Describe the order of precedence with regards to operators in C.
What is the difference between the = symbol and == symbol?
What is a nested loop?
What is the modulus operator?
What does the characters “r” and “w” mean when writing programs that will make use of files?
Can the “if” function be used in comparing strings?
What could possibly be the problem if a valid function name such as tolower() is being reported by the C compiler as undefined?
What is the difference between functions getch() and getche()?
In C programming, what command or code can be used to determine if a number of odd or even?