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Laptop, referred to as notebook, also known as "portable computer, notebook computer, palmtop computer or laptop computer", is characterized by a small body. It is more portable than a desktop computer and is a small, portable personal computer. Usually weighs 1-3 kg. The current development trend is smaller and smaller, and more functional. In order to reduce the size, the notebook computer uses a crystal display (liquid crystal LCD screen). The difference between a laptop and a desktop is portability, which has different requirements for the motherboard, CPU, memory, graphics card, and hard disk capacity. Today's notebook computers are differentiated into different trends according to their uses. Netbooks tend to be used for daily office work and movies; business notebooks tend to be stable and low power consumption for longer battery life; home notebooks have good performance and high cost performance. It is specially designed to cater to a small number of people who go out to play games; enthusiast-level configuration, good entertainment experience, of course, the price is not low, and the battery life is not ideal. There are many brands of laptops in the global market. In order (not in order): Apple, Lenovo, HP, Asus, Acer, etc. With the same configuration, unchanged functions, thinner body and weight, such a notebook computer can truly reflect the feeling of the so-called "notebook" [2].

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