00:04Example of alphanumeric characters
00:08Abbreviated alphanumeric characters are, by definition, a set of characters made up of numbers and letters.
00:15This type of character is used most of the time in computers; it is their primary language.
00:22A simple street address in a city, for example, includes alphabetic characters, numbers, and special characters.
00:29Street, city, state, postal code, among others.
00:35Programmers have converted what humans consider alphabetic characters into a numerical representation.
00:42For example, most people interested in this topic have seen or heard of binary encoding, which
00:48Use 0 and 1 to represent an alphanumeric character.
00:52For example, the letter A is represented by 01000001.
01:00Previously, alphanumeric characters were widely used in the operating systems of older computers, but nowadays their
01:07Its use is mostly for usernames and passwords, used in various virtual accounts that people use daily.
01:16Alphanumeric passwords are in high demand nowadays in many places, thanks to the combination of numbers and
01:23Letters help improve the security and privacy of millions of users; they contain letters, numbers, and special characters such as punctuation.
01:32etc
01:32A password that contains letters as well as numbers is more difficult for a hacker or anyone else to crack.
01:39a person who has a password consisting only of a series of letters.
01:45Usernames
01:46These consist of 26 letters from the English alphabet, both uppercase and lowercase, as well as 9 Arabic numerals starting from 0.
01:54up to number 9, and are known as an alphanumeric username.
01:59We can add that there are several applications that allow users to use the underscore as a possible character.
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