How to make a right choice of a laptop? A laptop is a personal computer designed for mobile use. Accordingly, it should be light, small and has a long battery life. Well, it must have a sufficient performance level to perform a set of tasks. Oh yes, there is a design. But it is impossible to measure it objectively. As regards the size and weight are clearly defined, because the manufacturers exactly indicate these parameters, but not everything is clear with a performance and a battery life.