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Cloud services: what are they and how do they work?


Learn about how cloud services work and their benefits.

In recent years you have probably heard of “the cloud” or cloud computing services. Maybe you’ve even used them before.

But what exactly is this “cloud” and how does it work.

“We call cloud services to any program or service that we use and it is not physically installed on our computer or equipment. The way to access these services that are not installed on our computer is through the Internet”.


In simple terms, when we talk about the cloud and cloud services we are referring to all those programs and services that are used through an Internet connection.

This means that the files and programs are not stored on your computer or mobile device and therefore you can access them from anywhere with Internet access.

Cloud services fall into different categories, such as:

  • Application stores, such as Google Play.
  • Web applications, such as Outlook email or Gmail.
  • Cloud storage services, such as OneDrive or Dropbox.
  • Music or video game platforms, such as Spotify.

Cloud History

Believe it or not, the concept of cloud computing is not new.

The basic concept was already described in the 1960s by mathematician and scientist John McCarthy, a true visionary who was also responsible for introducing the term “artificial intelligence”.

Three decades later, in 1996, Douglas Parkhill wrote the book “The challenge of the utility of the computer.” In this book Parkhill mentions in detail many of the current features of cloud computing.

But it was not until the end of this decade, with the introduction of broadband Internet, that cloud computing really became a reality. In 1999 was the first to deliver applications through its website.

Different types of clouds

Clouds can be classified into 3 categories – public, private or hybrid clouds.

  • Public Cloud

The services offered by public clouds are located on servers external to the user.

These clouds are managed by third-parties and generally the jobs of many different clients can be mixed on the servers.

  • Private Cloud

Unlike a public cloud, a private cloud has its servers within its own facilities. These servers are generally exclusive and do not offer services to third-parties.

  • Hybrid Cloud

As its name implies, a hybrid cloud combines features and elements of public and private clouds.

The advantage of this type of cloud is flexibility, since it allows the movement of data and applications between private and public clouds.

Advantages of cloud services

  • Availability

One of the main advantages of the cloud is that it allows you to access your information or programs anywhere, anytime. The only requirement to access them is that you have an Internet connection.

  • File backup

Cloud storage protects your files in the event of loss or damage to your computer equipment.

  • Lower costs

By using the cloud, companies and businesses can generally save a lot of money, since in this way they will not have to invest in the purchase of infrastructure or devices.

  • Facilitates the exchange of information

The cloud helps to facilitate the work between the employees of the companies, since it facilitates the exchange of information and allows the updating of files in real time.


Cloud computing services offer us a lot of flexibility and comfort by allowing us to access files and programs from anywhere with an Internet connection.

Although it is also important to remember that the cloud can make us vulnerable to privacy problems, especially if we use a public cloud.

The recommendation then is that we use the cloud responsibly and intelligently.