To ensure the authenticity of a document you have to sign the document with the certificate. I will show you how you can easily sign PDF document with the help of simple tool DigiSigner.
Windows 8 introduces significant changes to the operating system's graphical user interface and platform and today we will learn how to install it on your computer.
Watermarks are a great way to protect your photographs if you don't want other people misusing them. We will create a simple but effective text and turn into a Gimp brush so you will be able to stamp your work.
A computer is a general purpose device that can be programmed to carry out a finite set of arithmetic or logical operations. Now you can check if you know the history of computers?
Google takes up about 25% of all the Internet traffic in the world and there is a great chance you are using one of its services on a daily basis. Let's see if you are familiar with some of the Google's facts.
