A dual-core processor is a type of a central processing unit (CPU) that has two complete execution cores. Dual core has become synonymous with Intel Pentium Dual Core. It may sometimes also be used to refer to...

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.

iPad is a tablet mainly used for multimedia and web surfing. A laptop has computational properties and is meant to be a substitute for a desktop computer.