Abstract
The first two microprocessors — the 4004 (a four-bit set of devices) and the 8008 (an eight-bit device on a single chip) — were produced in the early 1970s by a newly formed company, Intel Corporation. The 4004, also known as the MCS-4, was designed to replace six custom chips in a desktop calculator and was therefore programmed for serial, binary-coded, decimal arithmetic (a very common practice in handheld and desktop calculators). Although the client, a Japanese manufacturer named Busicomp, went out of business before it could put the 4004 to work, this set of devices was soon adapted for numerous other applications.
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© 1988 Van Nostrand Reinhold Company Inc.
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Veronis, A.M. (1988). Basic Concepts. In: The 68000 Microprocessor. Springer, Boston, MA. https://doi.org/10.1007/978-1-4684-6647-8_1
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DOI: https://doi.org/10.1007/978-1-4684-6647-8_1
Publisher Name: Springer, Boston, MA
Print ISBN: 978-1-4684-6649-2
Online ISBN: 978-1-4684-6647-8
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