TABLETS , tablet plural or TABLET . It is a personal computer, size of a letter sheet (21 x 28 cms) or something smaller, without connectivity to printers or other peripherals, with display, and integrated CPU, of a small size to be used connected to the network or autonomously, with an internal battery usually lasting about 12 hours. Nowadays cell phones have all the functions and capacity of a tablet, except the surface of the screen which is considerably smaller, so it has significantly decreased its use. They were originally created by APPLE and went on the market with the iPad nobre.