Desktop Computer Desktop computer comprises of monitor, keyboard, CPU and a mouse that is placed on a desk or table as the name shows. It is different from laptop as it is not portable and usually stays at one place. Speakers are also attached due to low volume of desktop computer itself. First computer were introduced in 1968 by Hawlett Packard. Now millions of desktop computers released and are using worldwide. It is mostly used for personal use or at offices where no mobility is required. They are also used by gamers, and also at offices for the users to do job. Core features and components: Desktop computer has a processor that is fit in a unit, a motherboard, main circuit board. All computers have built in modem and a drive of multi-gigabyte for storage. They require power supply that must be uninterruptable this means they should be plugged all the time to perform function. Some users connect computers to the printer as per requirement. Computers can be connected through LAN that is local area network so user can inter share resources and connect to devices like printers. Parts of computer are: The central processing unit: Buses Ports and controllers ROM Main memory RAM Input devices Output devices Secondary storage Floppy disks Hard disk CD-ROM How does a desktop computer works? Desktop computers work in a part of machine...