A laptop is a personal computer for mobile use. A laptop integrates most of the typical components of a PC, including a display, a keyboard, a pointing device and speakers into a single. Portable PC, originally monochrome CRT-based and developed into the modern laptops, and mostly for specialized field applications such as the military, and sales representatives. A laptop is powered by mains electricity via an AC adapter, and it can be used from an outlet using a battery rechargeable.As portable computers became smaller, lighter, cheaper, more powerful and as screens became larger ,better quality, laptops became very widely used for all of purposes.
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thnx 4 ur comment..!