Laptop Computers

A laptop is a personal computer that is portable. It may also be called a notebook. A typical laptop different weight 1-3 kg, and typically has an internal battery and power supply. Although most laptops are portable, few can now match the power more expensive, although it is likely that this change in technology continues to advance. The word laptop was introduced in 1983, and has been used to refer to the Gavilan SC.

Despite its name, most computers can not be placed in your lap, if not fall, because they can overheat and burn the skin can also be held against it for a long time. A typical laptop can be powered by a battery and power supply can power the battery when connected to an electrical outlet. laptop can perform many of the same functions as PCs, but remain low. They have the same internal hardware is seen as a Desktop, but are much smaller. Most laptops have a display that uses liquid crystal display.

Most manufacturers have designed their laptops to work with a keyboard and mouse, and also have a touch screen that can be used to move the cursor on the screen. Laptops are available in three varieties, and are based on the size. An ultra-portable laptops usually weigh less than 1.7 kg, while a thin and light notebook will weigh up to 2.8 kg, and a laptop weighing up to size 3, 5 kg. The idea of ​​the notebook existed before the invention of the personal computer, and was first conceived during the 1970's. The first laptop was the Osborne 1 and was released in 1981.

While the Osborne 1 was huge compared to modern laptops, it was revolutionary in its time, because people get to carry data with them, and the computer does not have to leave the place. However, Osborne 1 was so great that they could not operate on battery power. Most laptops today, now uses a lithium ion battery. While computers are a few benefits your desktop counterparts, have some disadvantages. Unlike the desktop, they are limited in their ability to improve. Of this writing, not form factor for laptops, and the cost and technical issues involved so that they are easy to upgrade is not possible.

The only parts of most laptops that can easily be upgraded is the hard disk and RAM. In addition, laptops are expensive to repair if damaged, and are so easy to fly due to its small size. Stolen laptops are a common cause of identity theft. Although use of laptops USB port has been improved to some extent, usually reduces its portability. Historically, the performance of laptops has always been weak when compared to desktop computers in the same price range.