Desktop

A desktop is a personal computer designed for regular use at a single location on or near a desk or table due to its size and power requirements. The most common configuration has a case that houses the power supply, motherboard (a printed circuit board with a microprocessor as the central processing unit (CPU), memory, bus and other electronic components including disk storage (usually one or more hard disk drives, solid state drives, optical disc drives, and in early models a floppy disk drive); a keyboard and mouse for input; and a computer monitor, speakers, and, often, a printer for output. The case may be oriented horizontally or vertically and placed either underneath, beside, or on top of a desk. Usually Desktops don't Have Battery and needs Continous Supply of Electricity.

They are Mainly of Types;
 * Full Sized
 * All in One Desktop
 * Compact
 * Home Theater
 * Thin Client

Advantages Over Laptop
It is more fittable with hard drive and many other devices. Spare Parts and Other Things are easily and low costly available.

Disadvantages Over Laptop
They are heavy and cannot be carried around. It doesn't have fitted in battery so when power runs out it shuts down immediately.