Things should Know Knowledge | RwebGroup

Viruses,Worms,Trojans, Backdoors, Spyware what's all about?

Viruses, worms, Trojans, backdoors, etc are all part of a class of software called malware. Malware or malicious code (malcode) is short for malicious software. It is code or software that is specifically designed to damage, disrupt, steal, or in general inflict some other “bad” or illegitimate action on data, hosts, or networks.

There are many different classe... Read more

What is IP(Internet Protocol)? and Tutorial about IPv4 and IPv6.

Hello Friends, Today I'm sharing beginner tutorial about IP address (Which is most commonly used today).

Every machine on a network has a unique identifier. Just as you would address a letter to send in the mail, computers use the unique identifier to send data to specific computers on a network.

The Internet Protocol (IP) is the method or protocol by which dat... Read more

What is QR code? and How to Use it?

Hello Friends, today I'm Sharing What is QR code and how to use it?

They come to us from Japan where they are very common. QR is short for Quick Response (they can be read quickly by a cell phone). They are used to take a piece of information from a transitory media and put it in to your cell phone. You may soon see QR Codes in a magazine advert, on a billboard, a web page or ev... Read more

What is Difference Between Intel Core i3, i5 and i7 Processor?

Intel has been using the i3, i5, and i7 naming scheme for their CPUs for quite a while now, but what these labels mean tends to slowly change over time as new features are introduced or older ones get replaced.

The biggest thing you need to know in regards to the i3, i5, and i7 naming scheme is that it is primarily a way for Intel to separate their CPUs into three performance ti... Read more

Generation in Telecommunication (1G, 2G, 3G, 4G)


Hello Friends,

Today I',m sharing Generation in Telecommunication (1G, 2G, 3G, 4G).


  • Name : 1st Generation Mobile Network

  • Introduced in year : 1980s

  • Location of first commercialization : USA (United States of Amrerica)

  • Technolo... Read more

What is Li-Fi?

LiFi is designed to use LED light bulbs similar to those currently in use in many energy-conscious homes and offices. However, LiFi bulbs are outfitted with a chip that modulates the light imperceptibly for optical data transmission. LiFi data is transmitted by the LED bulbs and received by photoreceptors.

Li-Fi, an alternative to Wi-Fi that transmits data using the spectrum of ... Read more

Common Internet Error Codes

Hi Friends,

Sometimes when you try to visit web page, you’re met with an HTTP error message. It’s a message from the web server that something went wrong. In some cases it could be a mistake you made, but often it’s the site’s fault.

Each type of error has an HTTP error code dedicated to it. For example, if you try to access a non-existing page ... Read more

Difference between HTTP and HTTPS

Hello friends, today I'm sharing some info about HTTP and HTTPS, for more knowledge keep visiting R-web Knowledge center.

A lot of people end up getting confused when they see two different URL’s one as HTTP and other as HTTPS. So what is the difference between these two? In this post I will discuss the evolution of HTTP and the difference between HTTP and HTTP... Read more

Android 5.0 Lollipop: 10 Most Exciting Features

Hi friends,

Back in June, Google previewed Android L or Android 5.0 at the Google I/O developer event and since then the final version was awaited eagerly. Finally on Wednesday, 15 October, Android 5.0 Lollipop was announced and it has been launched for devices like Nexus 6, Nexus 9 and Nexus Player. Since the preview, Google has added lots of new features to the final release o... Read more