There are two major types: Windows and operating systems that derived from Unix.
OS X is Unix-like because it's based on Darwin which is BSD, another Unix-like operating system family, which are cousins to Linux (which itself has over 300 variants)
a whole lot of them some of the most common are windows, mac, and linux.
computer animation
Zero, the computer was yet to be invented.
Analog computer
It all depends on how many USB Ports are on your computer. If you count them up, then you have your answer.
This question depends on what you are doing on the computer and what type of drives you have
differences between the different computer platforms and their respective operating systems.
computer platforms to in the world
Windows and mac
The software needed to run a computer is known as the Operating System. Many hardware platforms allow you to choose between multiple operating systems to suit your needs.
47 platforms and 75 tracks
The best way to capture a video of a computer game on your computer is to use a screencast application. A screencast application uses the output data of your computer and records it. Most applications will also record output audio, which in most cases is pretty important for computer game action. There are several different options of many platforms like this screencaster - http://camstudio.org This is a free open source project for Windows platforms.
About 4,000 oil platforms
9 Types of Software Platforms
Tower cases are made in may shapes and sizes to accomodate several computer platforms.
Desktop computers is the common type of computer. Or we can say calculator is the type of computer
32 platforms are found on the eiffel tower.
6 platforms,personally i cheked it by visiting their last year