Using ASCII, the computer can hold much more text, and this way you can save more on the computer without the computer slowing down.
Ascii is simply an encoding scheme. It represents text by assigning a code to each particular character.
Most text encodings are supersets of 7-bit ascii, so in short yes, valid ascii is also UTF8/16, lantin-1 and most other western text encodings, but ascii is most valuable as a data-encoding because it is independent of the endianness of the computer - it takes less space to store most data in binary, but the bit patterns for the same data will vary from computer to computer, making the data less portable
By using a binary number called ASCII code
An ASCII file is just a text file.
There are no set file extensions for an ASCII text file, however one that is commonly used is .txt
OBAMA
There is a face ASCII art TEXT generator. This can be copy and pasted to your document. There is a variety of art that can be made from this art TEXT generator.
You can are ASCII-tabellen. For converting binary to text
disadvantages of ASCII : maximum 128 characters that is not enough for some key boards having special characters. 7bit may not enough to represent larger values. advantage compare to EBCDIC are 7bit so quickly transferable in a fraction of time.
Emails can be plain text. That is ASCII. Or it can be written in HTML coding.
If you have an android phone, go to the market and download the Ascii text art keyboard. That is how I do it. Now I'm not sure about how to do it from a computer. I always use my phone.
*.txt. In reality the ascii file can have any extention. A ASCII file is just a raw text file with no enbedded codes within the file.