Desktop computers feature arectangular boxed unit called thetower. All of the computer'sinternal hardware componentsreside within the tower. Desktopstypically require an externalmonitor, mouse and keyboard.Computer manufacturer HPindicates that desktops are oftencheaper than laptops withcomparable capabilities because thesmaller components within laptopscost more to make. Desktops ofteninclude extra space within the towerfor expansions and upgrades, whilesuch upgrades are limited inlaptops. As such, it may be morecost effective to purchase a desktop,since you can upgrade it as neededor when components become out ofdate.