If you've always heard about algorithms in technology, but have no idea what they are, what they're used for, how they influence the field, or how they relate to programming, this article is for you.

Keep reading and discover all the information you need to stay informed about this topic!

What is an algorithm?

In the mathematical sciences, algorithms emerged in the 9th century to describe rules that should be followed for the exact solution of equations, but their application can be made to any finite sequence of actions that seek specific results.

In simple terms, an algorithm works like a recipe for a delicious cake; it's a sequence of actions that must be executed precisely to achieve a satisfactory and beneficial end goal.

Its sequence of commands works systematically, aiming to solve a problem or execute a task, from the simplest day-to-day tasks on a computer to highly complex programs and software, and tools capable of identifying and analyzing consumer behavior.

Here's a simple example to give you an idea of how an algorithm works in something you probably do every day: closing a website tab in your browser by clicking the "x".

The command to close the screen by clicking on a specific icon, or to keep it open if no action is taken, is given by an algorithm. 

Programming and the use of algorithms

By definition, in technology, programming can be understood as the act of writing instructions for machines to perform one or more chained functions.

A set of codes establishes communication with the computer or other machines that require a command, and these codes are configured to perform a specific task.

Did you notice any similarity to what an algorithm does? Well, there is a relationship between them.

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In programming, code can be written in various languages, and all code generates an algorithm. This algorithm, once generated, can be used in more than one programming language, but its identity cannot be changed.

Every program or tool used, in addition to the code that will be interpreted by the machine, necessarily needs some type of algorithm, otherwise nothing will work.

It is the main framework of computer science and programming. As its development grows, so does its complexity, in an attempt to encompass all possible scenarios.

But what does the analogy between an algorithm and a cooking recipe have to do with it?

Think of it this way:

• First, we have the necessary ingredients, which would be the input data;
• Then we have the step-by-step instructions on how to make the recipe, which would be the processing or logical instructions;
• Finally, we have the finished dish, which is the ultimate goal achieved.

In technology, the algorithm is the basis for the development process of items such as: 

•  Social media applications;
•  Internal company systems;
•  Internet networks;
• Electronic devices – like your cell phone, for example. 

What can I do to learn more about how to use algorithms?

For a programmer, it is essential to have at least a basic understanding of algorithms, as this is the foundation for mastering programming languages.

Knowing how to use algorithms means knowing how to create and develop strategies to solve real-world problems that a computer can then follow to find the solution.

To acquire this knowledge, there are undergraduate and MBA courses that can help you, such as:

• Computer engineering;
• Technology management and digital transformation;
• Information Technology;
• Programming language;
• Data Science;
• Python programming language;

ESEG College, part of the Etapa Group, offers courses in the field of Technology, with a broad education that practically addresses the most important concepts for the student's professional development and preparation. 

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In addition, it has a Research Center with a focus on scientific initiation in Artificial Intelligence and Robotics, two important areas for those who wish to work with programming.

Read more: Artificial Intelligence: how Computer Engineering facilitates technological innovation