What is a VPN? How does VPN work?
More or less everyone is familiar with the word VPN. VPN is the main tool for those who want to keep themselves safe and secure in the internet world. Although many people visit blocked...
Author: Faysal Hossain
Who invented the calculator? Types of calculator?
We use calculators to calculate anything from simple to extraordinary, from small to large, from simple to difficult. From personal needs to overall needs, from educational institutions to business establishments, the need for calculators...
What is a proxy server? And how it works?
If you are an internet user and are aware of your online security, then you must have heard the name VPN and maybe use VPN often. People use one more thing besides VPN to...
What is social media marketing? Why and how to do it?
In today’s age, social media has been fulfilling almost all the needs of social media. At the same time, social media has proven to be much more effective than any other medium in expanding...
What is object-oriented programming?
Many of us have heard of Object-Oriented ProgrammingBut what exactly is it or how does it help us? Many of us do not know. So today we will discuss Object-Oriented Programming. Also Read… 5...
What is Internet cookies? How do Internet cookies work?
We spend most of the day dealing with the internet. So surely the word cookies have caught our eye at some point. But what exactly are Internet cookies? We were never interested in knowing...
How does a fingerprint scanner work? How can a fingerprint reader recognize you?
Not 100% secure in any security system – locks can be unlocked, online passwords can be cracked. So how can something be made safer? Well, we have biometric solutions, such as fingerprint, iris scan,...
What is the internet? | Uses & History of internet
One of the discoveries of science is the Internet. Which is playing a very important role in the development of human civilization. The global communication system has improved a lot and the Internet has...
Use of function keys on computer keyboard
The keyboard is one of the most important parts of a computer. This is the main input device of the computer. There are different types of keys on the keyboard. There are 12 keys...
What is a keyboard and how does a keyboard work?
A keyboard is a device that we are all aware of. There is no man who has not heard the name of the keyboard. The keyboard is an important device for computers. People who...
What is the Hubble space telescope?
The scientist Galileo was the first to observe the sky with a telescope. He changed the way people think about the universe by observing the sky. About 400 years after the discovery of the...
Types of telescopes | Explained
We discussed in detail in a previous article what a telescope is and how it works. If you want to read the article. Then you can read by clicking on this link. And today...
What is a telescope? | Explained
Modern civilization began long ago. But science has been playing an important role in the development of human civilization. Science has been able to overcome the blind faith of the people. People have been...
Types of camera lenses | Explained
‘Eyes see reality. The lens transcends reality to capture the truth. ‘ The lens of a camera is called the angle of view, which is within the range, which depicts the subject as a...
Learn about mobile cameras
In today’s age of technology, the mobile phone is a very necessary item for people. So In 2020, the current number of mobile phone users is 4.78 billion, including both smart and feature phones....
The correct rules for using the refrigerator
One of the most important aspects of our daily busy lives is the refrigerator. You can’t think of a comfortable life without a refrigerator. The refrigerator not only saves our time but also saves...
What is a refrigerator? How does the refrigerator work?
Refrigerator is one of the most important parts of our daily busy lives. You can’t think of a comfortable life without a refrigerator. The refrigerator not only saves our time but also saves food...
Easy way to increase typing speed
Nowadays many people use computers. Most of the work of any officer is done by a computer. And the importance of typing in computer work is immense. So many people want to know how...
How to get a job from LinkedIn
Former US President Barack Obama once joked on television that he had opened an account on LinkedIn so that he could get a job after his term as president! In other words, he meant...
Some night mode and blue light filter apps | You should use
The light on the screen of the mobile phone is very harmful for the eyes. However, much of this damage can be reduced by using the Blue Light Filter app or feature. In addition,...
