4004


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4004

The first microprocessor from Intel. Designed by Marcian E. "Ted" Hoff at Intel in 1971, it was a 4-bit, general-purpose CPU initially developed for the Japanese Busicom calculator. Running at a clock rate of 740 kHz, the 4004 could address 4KB of ROM for a program and 640 bytes of RAM for input/output.

A Small But Great Start
Given the tiny amount of RAM the 4004 supported, it was limited to calculator-like applications. Nevertheless, it was the beginning of a long line of microprocessors. The 4040 successor added interrupts, 24 index registers (up from 16) and a second 4KB program bank.


The 4004 CPU
With only 2,300 transistors, the general-purpose 4004 launched Intel into the microprocessor business. (Image courtesy of Intel Corporation.)







The 4004-Based Busicom Calculator
The product that inspired Ted Hoff to create the 4004. (Image courtesy of AUCTION TEAM BREKER, Cologne, Germany, (c) 2013, www.breker.com)
References in periodicals archive ?
Location: NWACC, Corporate Learning Fayetteville, 4004 N.
Less than 25 years later, computing products made with the microprocessor progeny of the Intel 4004 would overwhelm IBM in the marketplace, and lead it to lose ignominiously more than $8 billion in a single year, and start a process to cut more than 100,000 employees from its work force.
This year marks the 40th anniversary of the Intel[R] 4004, the world's first commercially available microprocessor.
Contract notice: Klinikum coburg - 3 ba conversion and extension er los 4004 - kg 440 + 450 high and low voltage systems
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The midsection, the largest and most complex structural component of the F-22, required 8 percent less time to manufacture than the last midsection, and 22 percent less time than the midsection for Ship 4004, the first midsection with a full-up suite of avionics.
Raptor 4004 will be the first F-22 to fly with integrated avionics.
Compass(TM) 2324 and 4004 edge workgroups are ultra-fast, high-performance, standards-based, switches offering a combination of architectures and abilities for maximum flexibility, while being one of the lowest prices in the market.
The Xerox Personal Printer 4004, marketed by the company's Personal Document Products Division, is being sold through retail stores including The Wiz, a 40-store chain of electronic superstores serving the New York City, Long Island and New Jersey metropolitan area, and Office America, a 22-store chain of office superstores located in Ohio, Virginia and North Carolina.
He also co-invented and designed the world's first microprocessor, the Intel 4004 and conceived and supervised the design of the Intel 8080, the first high-performance microprocessor.