TECHMAD

What is a VPN?   A virtual private network (VPN) gives you online privacy and anonymity by creating a private network from a public internet connection. VPNs mask your internet protocol (IP) address so your online actions are virtually untraceable. Most important, VPN services establish secure and encrypte…

What Are The Biggest Dangers Online For Children? 1. Cyberbullying Children usually experience cyberbullying, especially on social media. Often they will be bullied by the children they know, which can cause a great deal of stress, as the child may feel that he does not have a safe space to escape. 2. Inap…

A captcha is a computer program or system intended to distinguish humans from computer machine input. It is used as a way of thwarting spam and automatic data extraction from various websites on the web. We all may be very much familiar with this thing as we encounter with this on the internet while we try…

Public places like airports, railways, shops, etc. have public charging stations and when our equipment is empty we are often desperate to use them. But, that charging port can take full control of your smartphone and inject malicious code. Therefore, public charging points are a blessing and a tribulation…

Starlink is a satellite internet constellation being constructed by SpaceX providing satellite Internet access. SpaceX plans to sell some of the satellites for military, scientific, or exploratory purposes. The cost of the 10 years-long projects to design, build, and deploy the constellation was estimated by SpaceX in…

Car piracy could become a serious problem in the future. With cars increasingly connected to the internet with each new model, some theorize that we are at risk of a new type of vehicle theft. It is currently incredibly rare, but it has actually happened. Car engines can't be turned off yet, but keyles…

Android is the most widely used operating system in the world. To be precise, 85.9% of smartphones run Android but nothing is permanent. There is a new operating system on the edge called Fuchsia OS. This is the future or the end of Android. Background of android Android was initially a project…

What happens when you type a URL? It is a misleading question commonly asked in technical interviews. If you search online, there are many very detailed resources, but few concise explanations of how a web browser, a server, and the Internet in general work together. In simple format You enter a URL into a…

You have seen .com .in and many more like this in many websites but do you know that is that & how it now welcome this post is for you DOMAIN NAMING SYSTEM Domain Name is a unique name given to each website. The Domain Name System (DNS) is a system in which domain names are interpreted into IP addresse…

Suppose imagine you have 2 cards and 2 envelopes: 2 are blue and 2 are yellow. Now, in how many possible ways can you arrange them in a pair? Blue card-yellow card, blue card-blue envelope, blue-yellow envelope, blue envelope-blue card; 4 ways. This answer could also be predicted by using "Permutation…

You want to choose something that is easy to remember with a minimum of 8 characters that uses as many of the above techniques as possible. One way to do this is to choose a phrase that you remember, choose all the first or last letters of each word, and then replace some letters with numbers and symbols. …

If you like the famous Hollywood X-Men series, then you will also be familiar with Professor X, who had the power to control everyone's mind while reading it. But now it's going to happen in reality and that too in just 1 year. Elon Musk, CEO of Tesla, the world's largest electric car maker and…

What is SIM Swapping? It is a relatively new and sophisticated form of fraud that allows hackers to gain unauthorized access to your bank accounts, credit card numbers, and other personal and confidential information. A typical mobile phone SIM card stores user data on GSM (Global System for Mobile) phon…