What was bought as the latest Desktop Computer, just two years before is now the third grade computer; in fact almost obsolete in terms of technology. It has to be upgraded or changed depending up on the decision of the user. Such is the speed with which technology advancements happen. In fact technology works on the principle that "change is constant". A desktop is a personal computer (PC) for the regular use at a specific location. They are different from laptops in a way that laptops can be moved from one place to another. Also PCs need a constant power back-up and laptops can be supported by battery back-up. A desktop computer consists of monitor, central processing unit, keyboard and mouse backed by ups for constant uninterrupted power supply. There are a number of enhancements that can make the desktop computer a multimedia entertainment instrument, a television, a music system, and a video gallery. One can connect to the Internet through wireless or modem facility. The data cable can connect to the PC to save the contacts, messages and precious captured moments all at one go. One can transfer the relevant data from the desktop computers to the mobile phone as well. Some Desktop Computers resemble laptops in a way that the monitor is combined with CPU. These PCs are more portable as they can be unplugged and carried to some other place with same ease as laptop. Although laptops are easier to use yet desktops are better both in performance and up gradation. With the technology up gradation, desktops have expansion slots like conventional PCI while laptops have mini PCI slot and one PC card. This infers that desktops can be standardized through replacement of optical drive, rechargeable battery, hard disk and memory module. In desktop computers the heat escape is also more efficient as compared to the laptop. These factors make the use of desktop computers indispensable. Some companies are installing all of their latest models with gigaby te speed Ethernet adapters. This has helped the computers to increase their internet speed thereby expanding the infrastructures as all the bottlenecks of standard Ethernet connectivity.
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