In this modern era, people are really helped by computer in many daily activities. In fact, people today rely on computer much. Historically, computer is made in big and not portable one. They have to be plunged with the electricity. With the advance of technology, today, people can bring their computer and work every where with their computer. Furthermore, they can work with even though it is not plunged with the electricity. This mean is called laptop.

Historically, laptop was invented by Alan Kay’s Dynabook in 1970s at Xerox PARC. Then, in 1976,Dynabook developed his invention and he made 10 new prototypes. After that, various models of laptop were invented to meet the high demand of society about simple computer to work. The early laptop such as Osborne, Bodnwell, Compaq, and Epson developed laptop to be easily used by people. These early products used CP/M operating system. The early laptop was not made light in weight. In fact, some laptops’ weight can be 3 kilos.

The development of laptop always increases fast. With high demand from society, a lot of producers of laptops also grew in 1990s and 200s. Apple has made portable computer since 1989 and up to 2000, it has sold more than two million units of laptops. Apple becomes the biggest company which produces such a portable computer. However, the existence of Apple is competed with other companies which can offer low process. Some companies such as Toshiba, Asus, Lenovo, etc can come as the competitors of Apple. Besides low prices, these products also offer high quality. It is no wonder many people, especially in developing countries, will rather choose these products. Today, laptops are light in weight (less than 1 kilo) and is modified with various systems which help people to easily run their daily activities.