A character is stored in a computer using a specific encoding scheme, typically as a sequence of bits. The most common encoding schemes are:
ASCII (American Standard Code for Information Interchange):
Each character is stored using 7 or 8 bits.
It can represent 128 or 256 different characters, respectively, including letters, digits, punctuation marks, and control characters.
Unicode:
A more comprehensive encoding standard that can represent characters from many different languages and scripts.
UTF-8, UTF-16, and UTF-32 are common Unicode encodings.
UTF-8 uses 1 to 4 bytes per character, making it efficient for texts with a lot of ASCII characters.
UTF-16 uses 2 or 4 bytes per character.
UTF-32 uses 4 bytes per character, providing a fixed width for all characters.
In summary, a character is stored in a computer as a sequence of bits, with the specific number of bits depending on the encoding scheme used, such as ASCII or Unicode.