Laptop

A laptop is a personal computer that is portable. It may be known as a notebook. The typical laptop range 1-3 kg of weight, and is usually an internal rechargeable battery and power supply. While most laptops are portable, few can match the power of desktop currently more expensive, although this is likely to change as technology continues to progress. The word was introduced in 1983 and the computer was used to refer toGavilan SC.

Despite the name, most laptops should not be placed in the womb, if not covered, because it can get hot and can burn the skin that is held against them for a long time. The typical laptop battery can be powered by, and the power supply can power the battery when in a pinch. A laptop can be a lot of activities like a typical PC, but tend to be limited. They have the same internal devices that are seen inDesktops, but is much smaller. Most laptops have a screen that uses a liquid crystal display.

Most manufacturers have designed their laptops to work with a keyboard and mouse, and also have a touch pad, you can move the cursor on the screen. Laptops come in three varieties, and these are based on size. An ultra-portable notebooks usually weigh less than 1.7 kilograms, while the thin and light notebook weighs up2.8 kg and a portable medium weights up to 3.5 kg. The idea for the laptop existed before the invention of personal computers, and was conceived in 1970 during the '. The first was the Osborne 1 portable computer, and was published in 1981.

While the Osborne 1 was compared with laptops contemporary mass was revolutionary for its time because they can not move people, their data with them, and the computer to be leftin one place. However, the Osborne 1 was so big it could not be run on a battery. Most laptops today hour lithium-ion batteries. While laptops have some advantages over desktop counterparts, have some disadvantages. Unlike desktop PCs, they are limited in their ability to be updated. As I write this not a form factor for notebooks, and the costs and technical difficulties involved are easy to update, not feasible.

The onlyPart of most laptops that can easily be upgraded are the disk and RAM. Moreover, laptops are expensive to repair, if damaged, and are also easy to steal, because of their size. stolen laptops are a common cause of identity theft. While using the USB port of the laptop must be improved to some extent, it is usually reduce their portability. Historically, the performance of the laptop is always lower if they were on the desktop in the same comparisonPrice range.

See Also : Sony VAIO VPC-CW21FX/L Compaq Presario CQ60-615DX ASUS U30JC-A1