Laptops are small mobile computers that are light and portable enough to fit on your lap. They weigh usually in the range of 4 to10 pounds depending on the materials, size and other factors. When compared to the PC Desktop, the portable laptops are different on the basis of peripherals and weight. A typical portable laptop computer has a weight of four to five pounds. Some bulkier laptops range in their weights from six to seven pounds as they may have a CDROM/DVDROM or a floppy drive.
Laptops operate typically on a single battery and function similar to their desktop counterparts as the basic components of laptops and desktop computers are same. Laptops have liquid crystal (LCD) displays and uses different RAM modules. A portable notebook or laptop is provided with a pointing stick or touch pad and built-in keyboard as an input device. You can also plug in an external mouse. The power consumption and noise are less compared to a desktop. Unlike desktops, laptops can be run on batteries also.
Osborne 1 was the first available portable computer in 1981 for commercial use. This portable computer weighed about 24 pounds and was available at a price Read the rest of this entry »