Functionality And Advantages Of Using Alphanumeric Code

Alphanumeric Code There are many different codes used in computer programming. One such example of those is alphanumeric codes, also known as character codes. These codes go beyond the traditional numeric representations found in more basic systems because they allow for the representation of both characters and letters, which then allows for the expression of more information.

Alphanumeric Code

These codes have been in use for some time and for good reason. They are much more effective than numeric codes. This guide will break down the codes to explain why that is.

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Alphanumeric Code: More Than Just Numbers

When computers were first invented, their only purpose was to compute calculations. A user would input information and the system would organize it in a way that made sense. That system was mainly used for numbers in order to make sense of different equations. However, as time has gone on and computer calculations have gotten more complex, researchers needed a way to go beyond numbers.

Computers are digital systems, which means they are only able to deal or work with 1s and 0s. The alphanumeric code gets around that by allowing them to work in both letters and symbols.

The Definition Of Alphanumeric Code

At their base, alphanumeric codes are binary codes that represent different alphanumeric (meaning more than numeric) data in a form that is only understood and representable by a computer.  That can include numbers, but it also expands to letters, punctuation marks, and mathematical symbols. It also encapsulates more common symbols like #, @, and &.

Those extra symbols are instrumental in allowing input-output devices like keyboards and monitors to interface with the computer. In addition, they enable stronger passwords and generate a tighter layer of security. They can even be used to create file names and are instrumental in building up a stronger system through programming.

The Power Of Alphanumeric Characters

All instructions, regardless of code, need to be written to computers in the form of numbers. That is the only language they understand, and it is the basis of all modern computing.

To get around that and create more detailed processes, programmers use alphanumeric code to create what is known as alphanumeric characters.  That creates representations of what humans see as alphabet characters and then sends them to the system.

For instance, though computers only recognize 0s and 1s, binary code can be used to create various letters of the alphabet. For example, in binary, the letter “A” is represented as 01000001.  Our eyes see that as a string of numbers, but a computer can read it as a letter. String enough such patterns together and you get an entire word.

Alphanumeric Shellcode To Enhance Security

The alphanumeric code has many advantages over more basic options, and one of the most striking is how well it advances security. The representation of both letters and characters allows for more patterns, which creates stronger, more secure systems. Perhaps the best example of this is in passwords and usernames.

Rather than just typing solely in numbers, users are encouraged to mix in alphanumeric characters to make their information more complex. That makes passwords much harder to crack and more resilient to outside attacks.

That security is furthered through alphanumeric shellcode, which is a shellcode that consists of or assembles itself on execution into entirely alphanumeric ASCII or Unicode characters like A through Z or 0 to 9.

Those different options are useful when it comes to creating a code that avoids detection or needs to pass through filters that scrub non-alphanumeric characters from strings.  A similar encoding type known as printable code can even use all printable characters to create a shellcode that is similar to normal English text.

The Origin Of Alphanumeric Code (Morse)

To understand why the alphanumeric code is so useful, we first need to look back into the past.

The first example of the code came about with the Morse Code in 1837, which was the first alphanumeric system used in telecommunication.

Though it may be hard to see the link between the Morse code and modern computing, the system utilized a standardized sequence of short and long elements in order to represent letters, numerals, and special characters in the exact same way modern alphanumeric code does.

While a computer can use 0s and 1s to create a word, Morse created letters through a series of dots and dashes. For instance, the letter “A” is represented from a dot followed by a dash, while “5” is shown by five dots in a row.

This is the principle behind modern alphanumeric code, and it reveals what makes it so useful.  Rather than being confined to one set of characters or a single system, the different combinations allow many characters to be created from two basic symbols.

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Characters And Letters Galore

There is no doubt that the alphanumeric code has multiple advantages over other code types. It is one of the hallmarks of modern systems and allows programmers to interact with systems in a more complex way. While numeric codes were fine back when computers were less advanced, a more complex system perfectly fits into a more complex world.