Different types of computers

Laptop- A portable device which can be used anywhere and can use the internet anywhere if you have internet connection.

Notebook- similar to laptops but even more compact. The name comes from its small size, comparing it with the size of a notebook.

Netbook- similar to a notebook but designed for wireless connection via email, messaging and access to the internet. A netbook is usually cheaper and usually a lower specification.

PDA- a portable device that is small enough to be hold in the palm of your hand. It usually contains addresses not making features, telephone numbers and internet facilities it allows data to be exchanged with computers.