Laptop is a portable computer, sometimes called also a notebook, which is suitable to use everywhere even in a city park.
It usually has a battery life of two or even up to five hours. Some laptops are better for their portability and others for their performance.
When buying a laptop you should make a compromise between three Ps: price, portability and performance.
Some of the famous laptop manufacturers are IBM, HP, Compaq, Dell, Sony, Gericom, Prestigio,... To choose a laptop which best fits your needs you can rent a laptop at your local computer rental service to try it out.
Some other situations where you might need to hire a laptop are short term business trips or endless waiting to get your broken computer back repaired.