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 Mac mini ships without a keyboard, mouse or monitor while the Mac Pro desktop unit does not include a monitor. 2  An Apple brand keyboard and mouse costs from about $100 to $130 while an LCD Apple monitor costs from $900 to $1,800. Keyboards start at about $10 and monitors start at under $100. 2  See: How Much Does a Computer Monitor Cost. 3  Frequent travelers may want an extra MacBook battery, from $130 to $200. 4  A carrying case will protect a MacBook during transport.