c. **The 256 Bits in American Standard Code For Information Interchange I.**

The seven significant bits that ASCII assigns, provide 27 (2 x 2 x 2 x 2 x 2 x 2 x 2) or

128 possible combinations of 0s and 1s. An eighth bit is either ignored or used to check

d. **Eight Bits or One Byte to Represent Letters, Numbers, Symbols, or**

recognizable to humans. In ASCII, although there are seven significant bits to represent

input, there are still a total of eight bits per letter, number, symbol, or character. The

ASCII code numbers that signal the specific alphanumeric character, that is, A, B, C or 1,

2, 3 have been highlighted with boldfaced type in the figure below.

Figure 1-27. The boldfaced binary bits represent the letters of the alphabet in ASCII.

MD0058

1-19