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The MacBook (marketed as the "New Macbook") is a line of Macintosh portable computers introduced in March 2015 by Apple Inc. The MacBook has a similar appearance to the MacBook Air, but is thinner and lighter,〔(【引用サイトリンク】url=http://www.apple.com/macbook/ )〕 and is available in space gray, silver and gold. Other features include a high-resolution Retina Display, a Force Touch trackpad, a redesigned keyboard, and only two ports: a headphone jack and USB 3.1 Type-C port for charging, data transfer and video output. In the Macintosh product line, the MacBook sits below the MacBook Pro in terms of average specifications, while compared to the MacBook Air its features reflect different priorities. The base model MacBook has a 256GB SSD and 8GB of RAM, both double that of the MacBook Air base models, and a better display, but the MacBook's 1.1GHz processor clock speed is slower than the latter's 1.6GHz processor. Many reviewers have also criticised its keyboard for being less comfortable than that of the MacBook Air. ==Design== The MacBook is designed for thinness, the aluminum enclosure is 13.1 mm at its thickest point.〔(【引用サイトリンク】title=Apple - MacBook )〕 The MacBook includes Intel's Core M processors (Broadwell architecture) which requires no fans or heat pipe, which allows the logic board to be smaller than the one of the MacBook Air. The computer features a high-resolution 12" IPS 2304×1440 Retina Display and a full-size keyboard, as well as a large trackpad that responds to multi-touch gestures – such as pinching, swiping and rotating – as well as pressure. The battery was redesigned to a custom shape to fill the available space in the smaller enclosure. It uses a new 39.7 watt-hour lithium-polymer terraced battery cell which is said to provide "all day" battery life. It is said to last up to 9 hours for internet browsing or 10 hours of iTunes playback.〔(【引用サイトリンク】title=Apple – MacBook – Tech Specs )〕 The MacBook does not include any beryllium, BFR 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「MacBook (Retina)」の詳細全文を読む スポンサード リンク
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