The number system with base two is know as *binary number system*. In this system only two symbols are used to represent any value, and these symbols are '0' and '1'. These symbols are know as bit. In binary numbering system, a group of four bits are known as *nibble*, and a group of eight is known as *byte*.

It is very useful to know some basic arithmetic operations such as ..

- Binary-to-Decimal Conversion
- Decimal To Binary Conversion
- Sign_Magnitude Representation
- Two's Complement Representation
- Binary Addition
- Binary Subtraction

It's funny you said that because I owned both pairs but wore my fakes but I recently sold my real pair for a good price