ASCII is an abbreviation for American Standard Code for Information Interchange, which is used to develop code corresponding to each symbol in your computer, which is also called the computer's internal code. Each ASCII code is stored in one byte (Byte), from 0 to digital 127, represents different common symbols, such as uppercase A, ASCII code, 65, lowercase A is 97. Due to the seven bits of the ASCII bytes, the highest bit is not used, so the highest bit will be built into this built-in, becoming an extension of eight bits, an extendedascii code, this package plus There are many special symbols such as foreign languages and forms to become the currently commonly used internal code.
