What is Laptop (Notebook) ?

A laptop is a personal computer for mobile use and small and light enough to sit on his lap, while the use designed. A laptop integrates the typical elements of a computer, including monitor, keyboard, pointing device (a touchpad, also known as a trackpad, and / or a pointer), speaker, and often a battery in a single device small and light. The rechargeable battery (if present) is from an AC adapter and stores energy normally be sufficient to power the laptop for two to three hours in its original state, depending on the configuration and management, applied in computer performance.