please ask this question to Moriss Mano
There are primarily two types of ASCII code: standard ASCII and extended ASCII. Standard ASCII uses 7 bits to represent 128 characters, including control characters, digits, uppercase and lowercase letters, and some symbols. Extended ASCII expands this to 256 characters by using the 8th bit, allowing for additional characters, symbols, and graphical representations, which vary by encoding system. Common extended ASCII sets include ISO-8859-1 and Windows-1252, which accommodate various languages and special characters.
ASCII
ASCII
200 characters is 200 characters, unless you are talking about Unicode (which isn't Ascii).
Because that is the definition ASCII represents Latin characters of the English alphabet (there are no English characters) the character set is called "Latin" The 95 ASCII graphic characters are numbered from 0x20 to 0x7E (32 to 126 decimal). The space character is considered a non-printing graphic Visit the link below for some in depth information.
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.
ASCII characters do represent a numerical codes of letters and other alphabetical signs. Computers do not understand only numbers so they use this numerical codes to interpret letters into their own "language".
Standard ASCII (American Standard Code for Information Interchange) uses 7 bits to represent characters, allowing for 128 unique symbols, which include control characters and printable characters like letters, digits, and punctuation. Extended ASCII, on the other hand, uses 8 bits, enabling 256 characters, which includes the original 128 standard ASCII characters plus an additional set of 128 characters for various symbols, accented letters, and graphics, varying by specific encoding schemes like ISO-8859-1 or Windows-1252. This expansion allows for better support of international languages and special symbols.
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.
The ASCII code 128 unique character ( 2 power 7 ). This was enough to represent all the (American and Britain English) characters in the keyboard. Here characters includes Alphabets, numbers, speical characters, symbols and Shift,ctrl,alt, tab (Non-Printable characters). Days rolled on. Other than American and British English, some other foreign languages occupied the space in the computer world. For ex, Korean, Japanesh. These languages extensively used more characters and symbols. Inorder to accompany all those letters/characters, the American Standard Institute enchanced the above ASCII code with one more bit. ie 2 power 8. So its now support 256 Unique characters. This is sufficient to represent all the characters in the all the countries languages. So this broadened ASCII is called Extended-Ascii. Regards, Rajan. P. Anna University.
Images created with printable ASCII characters is called an ASCII art. - Neeraj Sharma
ASCII standardizes characters between 0 and 127.