Ken Shirriff's blog
Arcfn. Computer history, restoring vintage computers, IC reverse engineering, and whatever.
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Computer history, restoring vintage computers, IC reverse engineering, and whatever
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1 indicates the presence of a transistor and a . indicates the absence. If a transistor is present, the corresponding input line must be low or else the output will be pulled low. Most of the input...
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This page shows how to create new Mandelbrot-like fractals by using fractional exponents.
Arcfn.com news digest
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9 days
Talking to memory: Inside the Intel 8088 processor's bus interface state machine
In 1979, Intel introduced the 8088 microprocessor, a variant of the 16-bit 8086 processor.IBM's decision to use the 8088 processor in the IBM PC (1981) was a critical point in computer history,leading to the success of the x86 architecture.The designers...
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1 month
Inside an unusual 7400-series chip implemented with a gate array
When I look inside a chip from the popular 7400 series, I know what to expect: a fairly simple die,implemented in a straightforward, cost-effective way.However, when I looked inside a military-grade chip built by Integrated Device Technology (IDT)4I...
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1 month
The Intel 8088 processor's instruction prefetch circuitry: a look inside
In 1979, Intel introduced the 8088 microprocessor, a variant of the 16-bit 8086 processor.IBM's decision to use the 8088 processor in the IBM PC (1981) was a critical point in computer history,leading to the dominance of the x86 architecture that continues...
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2 months
The first microcomputer: The transfluxor-powered Arma Micro Computer from 1962
What would you say is the first microcomputer?1 The Apple I from 1976? The Altair 8800 from 1974?Perhaps the lesser-known Micral N (1973) or Q1 (1972)?How about the Arma Micro Computer from way back in 1962.The Arma Micro Computer was a compact 20-pound...
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| Web host: | pair Networks |
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| Updated: | January 01, 2024 |
| Expires: | January 31, 2025 |
| Created: | January 31, 2008 |
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