what the famous kinds of computer you can buy ?

The sconed famous one is Laptop
A laptop is a personal computer designed for mobile use small enough to sit on one's lap. laptop integrates most of the typical components of a desktop computer


Laptops are usually shaped like a large notebook with thicknesses between 0.7–1.5 inches (18–38 mm) and dimensions ranging from 10x8 inches (27x22cm, 13" display) to 15x11 inches (39x28cm, 17" display) and up