The modern world is practically based on and composed of a lot of technological inventions. We seem to be unable to do anything without technology. One of the inventions many of us cannot do without is the PC. The latest developments in the field of computers have brought us the notebook computers. When talking about laptops, which are also called small notebook computers, we actually mean small PCs for mobile use.
We can virtually retrieve all the basic components in laptops from desktops. Thus, laptops have a display screen, a built in keyboard, a pointing device replacing the mouse and a battery power source. The difference lies in the fact that all these components are to be found into one single unit that is also portable. The rechargeable batteries of laptops get their power from an AC/DC adapter and their capacity enables them to be functional for several hours.
The thin shape of the devices definitely led to their being called notebook computers. Laptops are usually 0.7 – 1.5 inches thick and their overall size specifics range from 10x8 inches (13 inch display) to 15x11 inches (17 inch display) or up. Furthermore, they are not heavy, weighing between 3 and 12 pounds. The design of most laptops as the flip form factor, is meant to protect the screen of the computer when it is closed.
Personal computers were produced for the first time at the beginning of the 1970s and not long after those years the idea of portable PCs – laptops, appeared. The person who imagined the transformation was Alan Kay of Xerox PARC. In 1972 took shape as a project under the name of Dynabook. The first laptops were available on the market only in 1981. The Epson HX-20 and Osborne 1 models were the first portable computers available for public use. Since then laptops have developed and become more and more proficient.
Unfortunately, there are downsides to the use of laptops too. First we need to see the good parts to be able to investigate the flaws. The main and most important advantage of laptops is evidently their portability. In addition, laptops allow work continuation in case of accidental power outages. Furthermore, laptops use less electricity and generate a lower amount of heat as compared to desktops. The disadvantages of laptops come from the standardization and compatibility issues. Despite of some international standards for the making of the elements for the peripherals and add-in PC cards in desktop computers, the processor and hard driver manufacturing part does not fall subject to any international regulation yet.
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