Specifically, they used ASCII code 27 ( escape ), followed by a series of characters called a " control sequence " or " escape sequence ".
42.
Alternative ways to encode character values include specifying an integer value for a code point, such as an ASCII code value or a Unicode code point.
43.
Some 8-bit ASCII code pages use character 211 as the closing double quote ( with a different character for the opening double quote ), so that might work.
44.
For printing devices that directly interpret ASCII codes, this is not a large problem, because the XON and XOFF codes use ASCII " device control " code numbers.
45.
He helped invent the ASCII coding system that is used in computers to represent text, and also contributed the escape key and the backslash to the computer language.
46.
:For an example from another field, ASCII code had a " BEL " code from at least 1968, despite the fact that few computers had an actual bell.
47.
If you take all the letters in " Bill Gates, " convert them to ASCII codes, add up the numbers, then add the III it comes out to 666.
48.
The screen has 80 & times; 25 chars, so there are 80 ASCII code / attribute pairs per line ( 160 bytes per line, 2 bytes per symbol ).
49.
However, beware that some of those characters are unprintable, so require more work when debugging ( you have to print out the ASCII codes instead of the characters ).
50.
:If all else fails, you can always hit NumLock then hold down the Alt key and type the decimal ASCII code on the number pad and then release Alt.