When a brand-new computer produced by a factory arrives in a company, it can do nothing. The hardware needs software to makes it work. It is the applications software, such as word processing or spreadsheet software. Because application software cannot communicate directly with the hardware, so the operating system serves as intermediary software between the applications software and the hardware. An operating system is a set of programs that lies between applications software and the …showed first 75 words of 878 total…

…showed last 75 words of 878 total…Internet, By building on the proven Windows 2000 operating system, Windows XP Professional delivers a reliable foundation you can count on to keep your computer up and running when you need it most. Not only is Windows XP more reliable, it also helps you more easily recover from system problems. In conclusion, from all the explanation above, I think it is clear why in my opinion Windows XP Professional is the best choice for IT professionals.