what is ascii text?

http://en.wikipedia.org/wiki/ASCII

please give me the answers to exam number 00803701

ASCII stands for American Standard Code for Information Interchange. It is a character encoding standard that represents text in computers and other electronic devices. It encodes any written characters, such as alphabets, numbers, punctuation marks, and control characters, into a standardized set of integers (from 0 to 127). These integers can then be represented as binary numbers in the computer's memory.

To understand ASCII text, we need to know the ASCII character set. You can find a table of ASCII characters online or in programming documentation. Each character has a unique numerical value assigned to it. For example, the uppercase letter 'A' is represented by the decimal value 65, while the lowercase letter 'a' is 97. The ASCII encoding ensures that different devices and systems can communicate and interpret text characters consistently.

To work with ASCII text, you can use programming languages that provide built-in functions to convert characters to their corresponding ASCII values and vice versa. For example, in Python, you can use the `ord()` function to get the ASCII value of a character and the `chr()` function to get the character corresponding to an ASCII value.

Keep in mind that ASCII is limited to only 128 characters, which is not sufficient to represent all the characters of different languages. For this reason, various extensions and standards, such as Unicode, have been developed to support a larger number of characters and different writing systems.