All articles

    October 2022

    14 October

    • What is Bluetooth and how does it work?

      Bluetooth is today one of the most well-known wireless technologies. It is used for data transmission between devices over short distances. This technology uses UHF radio waves from 2.402 GHz to 2.480 GHz. Bluetooth was introduced on May 7th,1989. The present article shows how it works and how the connection is established.

    13 October

    • How to conduct a meeting: efficiently, step-by-step

      Meetings are chronophagic (meaning "they eat up a lot of time"). Therefore, it is best to be as brief as possible and run with a high degree of efficiency to take specific actions. The organization of a meeting refers to all actions to be taken to organize and carry out a meeting in good conditions, allowing for monitoring of its effects. This article is a collection of recommendations to help you conduct a meeting.

    • What is a hard drive and how does it work?

      The hard drive is the component used to permanently store data instead of RAM, which is erased whenever the computer is restarted. This is why the term mass storage device is sometimes used to refer to hard drives. The hard drive is connected to the motherboard using a hard drive controller that acts as an interface between the processor and the hard drive. The hard drive controller manages the drives linked to it, interprets commands sent by the processor, and routes them to the drive.

    • What is the hub in network equipment: definition, usage

      What is a hub? A hub is a hardware element for centralizing network traffic from multiple hosts that also propagates the signal. It has several ports - enough to link machines to one another, usually 4, 8, 16, or 32. Its only goal is to recover binary data from a port and send it to all the other ports. The hub connects several machines, sometimes arranged in a star shape, which gives it its name because all communication from the machines on the network passes through it.

    • What is polymorphism: OOP, ad hoc, universal

      What is polymorphism in object oriented programming ? The word polymorphism comes from Greek and means having several different forms. This is one of the essential concepts of object-oriented programming. Where inheritance is related to classes and (their hierarchy), polymorphism is related to object methods.

    • All about different types of networks

      The generic term network refers to a group of entities (for example. objects, people, etc.) that are connected. A network, therefore, allows material or immaterial elements to be circulated among all of these entities based on well-defined rules. Depending on what kind of entity is involved, the term used will differ.

    • All about IT security: confidentiality, authentication

      Because today's increasingly nomadic lifestyle allows employees to connect to information systems virtually from anywhere, employees are required to carry a part of the information system outside of the company's secure infrastructure. It is essential to know which of the company's resources needs protection and to control system access and the user rights of the information system. In this article, we will walk you through the basic principles of IT security.

    • How To Get Help from Google Assistant on Homework

      Google Assistant is the AI (Artificial Intelligence) from Google. It's available as an app for Android and iPhone, and it comes readily available on Google devices, including the Google Home smart speaker. You can ask the Assistant many questions, including those concerning your homework. If you need help on your homework, this article will give you some tips.

    • PlayStation 5: upcoming games releases

      We already know everything there is to know about the new Sony console in terms of design, features and price. But we cannot deny that the most important aspect of any console is the games! In this article we have gathered the most important titles to come, as well as their expected release dates.

    12 October

    • Everything you need to know about data transmission modes

      A given transmission on a communication channel between two machines can occur in several different ways. The transmission is characterized by the direction of the exchanges, the transmission mode, or the number of bits sent simultaneously, and the synchronization between the transmitter and receiver.

    • How email works: step-by-step, diagram

      As simple as it is to use, an email relies on a more complicated set of operating procedures than that of the Web. For most users, its operation is transparent, which means that it is not necessary to understand how it works in order to be able to use it. The goal of this article is to help you to understand its basic principles, give you an idea of how to best configure your email clients, and inform you about the underlying mechanisms of spam.

    • What is a TIFF File used for?

      The Tagged Image File Format (TIFF), or TIF format is a bitmap (raster) graphic file format. It was developed in 1987 by Aldus (now belonging to Adobe). The latest specifications (Revision 6.0) were published in 1992. This article will explain what a TIFF file is and what it is used for.

    • How to structure an email: format, example

      Nowadays, we send emails almost every day. They have become one of the most convenient ways to communicate with colleagues, friends, and family living far away. If you'd like to explore how the email is structured, read this article and find out what the body of an email entails and how many headers it can have, among other details.

    • How to change the Wi-Fi password: on Mac, Windows

      Knowing how to modify the name and password of your Wi-Fi connection is important for various reasons. The primary reason is that pre-established passwords are usually impossible to remember, a long and random collection of numbers and letters. The second is for security reasons: unwanted connections to your network and personal security as your network offers an access path to your data. In this article, we will explain how to change your Wi-Fi password step by step.

    11 October

    • What is Augmented Reality (AR): definition, lenses, AR vs VR

      Have you ever played Pokémon GO? Or tried to see how furniture from IKEA looks in your apartment by pointing the phone screen at a specific place in the house? Maybe you managed to walk into a museum and see what it looked like 200 years ago. This is augmented reality, innovative technology that superimposes virtual objects into "reality" with a smartphone, optical device, or tablet screen. This article will introduce you to augmented reality and explain how it works.

    • Pick the right TV: for home, gaming, LCD, LED

      When selecting a new television, the number of options available can make the decision almost overwhelming. This article will provide you with the information you need to make an informed decision and will also give you some tips on how to increase the longevity of you