The Memory, drives, and batteries were accessible in the old MacBook lineup, though the newest compact lineup solders or glues all such components in place. The lids of the MacBook family are held closed by a magnet with no mechanical latch, a design element first introduced with the polycarbonate MacBook. The now standardized keyboard brings congruity to the MacBook line, with black keys on a metallic aluminum body. This new construction also has a black plastic keyboard that was first used on the MacBook Air, which itself was inspired by the sunken keyboard of the original polycarbonate MacBooks. The MacBook family was initially housed in designs similar to the iBook and PowerBook lines which preceded them, now making use of a unibody aluminum construction first introduced with the MacBook Air. Two different lines simply named 'MacBook' existed from 2006 to 20 to 2019. The current lineup consists of the MacBook Air (2008–present) and the MacBook Pro (2006–present).

It replaced the PowerBook and iBook brands during the Mac transition to Intel processors, announced in 2005. that use Apple's macOS operating system since 2006. The MacBook is a brand of Mac notebook computers designed and marketed by Apple Inc.

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