Laptop Computer
When the size become a serious matter, a laptop computer can be a choice to fulfill needs of computer access instead of using a bulky desktop or personal computer (PC). A laptop computer also said just laptop, notebook or notepad is a shape of small mobile computer. It is a practical solution for people who need high mobility computer access, anytime and anywhere, as along there is power source.
A laptop typically weighing about 1.5 to 6 kilograms, although early laptops weigh more and currently laptops become lighter in weight. Laptops usually run on a single main battery or directly from an adapter (AC/DC) that supplying power on activity while charges the battery. They usually equipped with a reserve cell power to run the clock or for emergency conditions.
Laptops contain elements that are similar to desktop elements and have the same functions, but are miniaturised and optimised for nomadic use and efficient in power consumption, but less powerfull at the same level of price. Laptops usually have a built-in keyboard and utilize with a touchpad or trckpad or a pointing input stick. To make more compfortable,user usually attached a mouse or wireless keyboard. For display, laptops usually use liquid crystal displays (LCD) with a screen size of 14.1 or 15.4 inches diagonally.. For low technology laptops, their LCD need a certain angle of view to get best performance. Nowadays, most of them used better LCD technology that have a wider angel of view to acquire the best performance. And most of them use different memory modules for their random access memory (RAM).


