Intel 4004

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This editable Main Article is under development and subject to a disclaimer.

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The Intel 4004 is an early single chip computer chip, from 1971, and a lineal ancestor of the Pentium microprocessor.[1][2]

intel 4004 specifications specification | value

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number of transistors | 2,300 transistor on die[1][2]
clock speed | 108 hertz[2], 740 hertz[1]
bus speed | 108 hertz[2]
instruction set | 46 instructions[1]
Registers | 16 4 bit registers or eight bit registers.[1]
introduction date | November 1971[2]
memory | 1k data memory, 4k program memory[1]
address space | 4k[1]
transistor size | 10 micron[2]

The computer had separate data and memory spaces. The maximum addressable memory was 4 kilobytes.[1]

According to the History of Computing website the chip "it is widely considered to be the world's first commercial single-chip microprocessor."[1]

## References[edit]

1. ↑ 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 The Industrial Era: 1970 - 1971, History of Computing. Retrieved on 2008-04-15. “In February Intel releases the 4004 microprocessor to the market. It has 12 sq mm die size and 16 pins which fit in to a motherboard.”
2. ↑ 2.0 2.1 2.2 2.3 2.4 2.5 Microprocessor quick reference guide: Intel486™ Processors and Earlier, Intel Museum. Retrieved on 2012-06-06.