Answer the following statements true (T) or false (F)

1. The preprocessor reads a program before it is compiled and only executes those lines beginning with # symbol.
2. Because C++ is case-sensitive, all programs must have a function called main or Main.
3. In programming, the terms "line" and "statement" always mean the same thing.
4. In C++, key words are written in all lowercase letters.
5. The preprocessor executes after the compiler.

1. T
2. F
3. F
4. T
5. F