Pressure Ulcer Deï¬nition Localized injury to the skin and /orunderlying tissue usually over a bonyprominence, as a result of pressure, orpressure in combination with shearand/or friction.
1 The 2.4GHz MacBook with 2GB of memory is available for about $1,000.  Apple's ultraportable laptop, the MacBook Air, is aimed at business travelers. The 1.6 or 1.86GHz processor is slower than a MacBook but what it loses in power it gains in portability.
1 The cost ranges from $50 to over $300. 2  An external mouse and keyboard can also be attached to the laptop or docking station, making it as comfortable to use as a desktop computer. 3  PC Cards and ExpressCards offer additional networking options, including HDTV tuners to convert a laptop to a TV or video recorder. An example of a tablet laptop is the HP TouchSmart 2x2z available well-equipped for about $1,000. 2  An example of a thin and light laptop is the MacBook Air starting at about $1,800. 3  See: How Much Do Macs Cost.