or physical object that can exist in two different forms or states—such as a coin (heads and tails), a switch (on and off), color (blue and green), shapes (circle and square)—can be used as a binary ...

One obvious example is text. A computer can't read the word "hello" like we can, so each character has to have a binary code that represents it. The first character encoding standard for computers ...

The binary form of a letter is just its ASCII code converted to binary. You need an ASCII table and a calculator that can do binary calculations (the Windows one does that, if you have it in ...