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Microprocessor chronology : ウィキペディア英語版 | Microprocessor chronology
==1970s== The first microprocessors were manufactured in the 1970s. Designers predominantly used NMOS logic and they experimented with various word lengths. Early on, 4-bit processors were common (e.g. Intel 4004). Later in the decade, 8-bit processors such as the Motorola 6502 superseded the 4-bit chips. 16-bit processors emerged by the decade's end. Some unusual word lengths were tried, including 12-bit and 20-bit. The first microprocessor ever produced was the 20-bit MP944, designed for the U.S. Navy's F-14 Tomcat fighter. It was classified by the Navy until 1998, meaning that Intel's 4004 was widely regarded as the first-ever microprocessor.
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「Microprocessor chronology」の詳細全文を読む
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