Working with a computer requires hardware and software. Hardware is and part of a computer you can see or touch. Usually, in a PC (Personal Computer), these are the computer itself, the keyboard, the mouse, the monitor and the printer.
The software is a set of electronic instructions that tell a computer what to do. You cannot see or touch software, but you can see and touch the packaging the software comes in. The two types of software are Application . Software and System Software. Application software allows you to accomplish specific tasks. Popular application software includes Microsoft Office. So software like Microsoft Words, Adobe PhotoShop, or Internet access programs (Internet Explorer) must be put into a computer's memory in order for one to be able to use it. On the other hand, System Software controls the overall activity of a computer. Most new computers come with the Windoes7 operation system software. Windows, as you already know, is Bill Gate's creation. Which creates an environment (i.e. a computer configuration and a monitor appearance) which makes selecting various software options very easy. Like many other software programs. Windows comes in different versions, for older versions are constantly upgraded. The common PC version is called Windows 7. The higher the number of a software program, the more recent the program.