Protect the contents of a web page If you have a website with some valuable and unique content, you probably have thought about protecting your images or text from copying. The first thing that comes to mind is to block the right click. This can be effective for novice users, but we know it will always be possible to retrieve the address of the image file and thus by … [Read more...]
How does a modem work?
There are main two types of modems The modem is a device used to connect the Internet using a telephone or dedicated line. There are two types of modems, one that is most widespread is the internal modem. It is located inside the casing and is located on a PCI slot. The second is the external modem that is located outside the computer. It is connected to the PC via a cable. The advantage is that … [Read more...]
Firewall: Secure your Internet connection
Data exchange on Internet Some software uses the Internet connection to exchange data. A browser sends requests to a server and receives and return to web pages. But meanwhile, you can be chatting with messaging software, and you might receive messages. The question we must ask is how your computer knows that this or that information received through the Internet is for a browser or other … [Read more...]
Creating pressed text effect in MS Paint in Windows 7
Pressed text effect is getting very popular through out the Internet. One can create pressed text effect using Adobe Photoshop CS x (or any equivalent software), using CSS instruction. The example for the first is our banner and example for the second is the line below this article's tittle. Today, we will show, it is possible to create very basic pressed text effect using Microsoft Paint (MS … [Read more...]
Why there are pirated versions of Windows 7 and how they look?
Today, for real innocent Windows 7 users, we will discuss outline of what are the methods used to crack Windows 7, why people use them and how the sold packages looks in the real world. These are modified versions of Windows 7 where the WGA anti-piracy system is disabled. It is therefore possible to acquire a free version of the system by these methods. This is the summary of one computer … [Read more...]
What are hub,switch and router
Network equipments These three components are used to connect computers together and create networks. For that, we must be able to connect to computers using Ethernet cables RJ45 or USB cables. It is also possible to connect to WiFi. Hub The hub unit is the simplest and cheapest way to create a network. It has multiple ports for RJ45 cables. When sending data, it sends … [Read more...]
Blog versus forum : Present versus history
Like Coke versus Pepsi, BMW versus Mercedes, another debate arising now: Blog versus forum. We will discuss a brief history of both, present and possible future of both. Definitions Blog : A shared on-line journal where people can post diary entries about their personal experiences and hobbies; "postings on a blog are usually in chronological order". (Reference) Forum : … [Read more...]
What are ASCII art and emoticons
Emoticons Internet is an indirect exchange zone, when you talk to someone or writing something, you can not express your emotions because you are not in front of you. That is why we use emoticons (or smiley). They may consist of a sequence of characters or simply a picture or sequence of pictures (animated gif format). Most forums or blog often provide a list of clickable smileys those … [Read more...]
Differences between FTP and SSH
SSH SSH (Secure Shell) is a secure communications protocol that allows you to connect to a remote computer via a Linux shell (the equivalent of the command prompt on Windows). The default port is 22. This ability to work remotely and to exchange data in encrypted form between two PCs. It is possible for example to log in from her workplace to her personal computer (it is necessary to keep … [Read more...]
Using Shift key to open new window in Windows 7
Unlike most other Windows 7 tutorials published in this website, this tutorial will not need any screenshot. It is very easy trick to use in Windows 7, yet almost not known feature. If you have minimized any window in Windows 7 taskbar; hold the SHIFT key from your keyboard and then click to maximize (normal left click) it. A new window of that opened program (or another instance of that program) … [Read more...]
What is a Network Address Translation (NAT) server?
Usefulness of the NAT server The number of IP (Internet Protocol) on the Internet is limited. A router will reduce this number through NAT (Network Address Translation). The computers will have different addresses on the local network and will use a NAT gateway with the router, which has a unique IP address visible on the Web. This router makes it possible to hide the local IP addresses. Consider … [Read more...]