Laptops (or laptop computer) is a small portable computer. They are designed to do the same job as a conventional desktop computer, though generally you will get less power with the laptop than the equivalent desktop computer of the same price. There is a lot of variety in terms of the type of laptop available on the market today and as a general rule these will weigh between 2 and 18 lbs each.
At a quick glance some of the categories of laptop available are:-
Ultra portable - these laptops have less than 12" screens and are usually less than 5lbs in weight. They are aimed predominantly at the business user who needs to be able to access their computer on the go. The tend to be very pricey and have extended battery life as well as built in graphics programmes. They also usually have a smaller version of the standard size keyboards.
Thin / light laptops - fairly obviously these laptops are both thin and light in weight! The screen is not more than 14" and generally weighs less than 6lbs.
Mainstream laptop - this is the most popular laptop on the market and is aimed at the general public. The screen tends to between 14 and 15.4" and the weight is normally in the region of 5 to 7 lbs.
Desktop replacement laptops - these are meant to replace the desktop computer and as such are equipped with more powerful applications, however, the battery life is usually limited on them due to the fact that they are really intended to be used in mainly one fixed place. The screen on these is much larger, being between 17 and 20".
There are hundreds of websites in which you can compare different types of laptops, read reviews on laptops, build your own laptops or even just exchange views on your own laptop. Laptop Advisor iffers plenty of information to help you with any queries you may have. Interested in storing infomration on the go then you need to get yourself one of these Notebook Laptops. They are small and compact, you can keep them in your bag.
Due to the nature of the laptop they tend to be more susceptible to damage than their desktop siblings. Dropping one could seriously damage the screen or even the motherboard and parts such as hinges, touch pad, battery or battery cables also tend to need replacing more frequently than you would expect with a desktop pc. They are also a lot more of a challenge in terms of upgrading than desktop computers.