Author: Faysal Hossain

what is a vpn 0

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...

invention of the calculator 0

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...

object oriented programming 0

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...

Hubble space telescope 0

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...

Telescope 0

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...

Telescope 0

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...

camera megapixels,Camcorder-Video Camera 0

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...

mobile phone camera 0

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....

typing speed 0

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...

LinkedIn 0

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...