Elements are pure chemical substances that have one or one type of atom. Compounds are chemical substances that are formed from one or more elements, held together by chemical bonds.

Windows Vista is the newer operating system by Microsoft. It is meant to be more time saving and user friendly than XP. Vista requires more hardware support than XP.

Goal is a set target that a person wants to achieve, while Aim is the determined course a person sets to achieve a target.

.net is a derivative of network, originally intended for organizations involved in networking technologies. Whereas, .com, derived from commercial, was originally intended for domains registered by commercial...

Notebooks are lighter than a laptop and usually have a smaller screen and a longer battery life. Also, notebooks usually have less number of optical drives.