Instruction decoding in the Intel 8087 floating-point chip ( www.righto.com )
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Instruction decoding in the Intel 8087 floating-point chip ( www.righto.com )
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Notes on the Intel 8086 processor's arithmetic-logic unit ( www.righto.com )
Notes on the Intel 8086 processor's arithmetic-logic unit ( www.righto.com )
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Unusual circuits in the Intel 386's standard cell logic ( www.righto.com )
TIL that a 12 inch semiconductor wafer costs $19000 to make and produces around 215000 RFID chips for use in disposable subway tickets. Each chips are around 0.5x0.5 mm in size ( www.righto.com )
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A CT scanner reveals surprises inside the 386 processor's ceramic package ( www.righto.com )
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Reverse engineering the mysterious Up-Data Link Test Set from Apollo ( www.righto.com )
Reverse engineering the mysterious Up-Data Link Test Set from Apollo ( www.righto.com )
cross-posted from: https://lemmy.bestiver.se/post/507866 ...
TIL inside a cell, molecules can move at speeds upward of hundreds of miles per hour. A typical enzyme can randomly collide with potential reactants up to 500,000 times per second just from moving... ( www.righto.com )
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Reverse engineering the 386 processor's prefetch queue circuitry ( www.righto.com )
Reverse engineering the 386 processor's prefetch queue circuitry ( www.righto.com )
Notes on the Pentium's microcode circuitry ( www.righto.com )
Most people think of machine instructions as the fundamental steps that a computer performs. However, many processors have another layer of software underneath: microcode. With microcode, instead of building the processor's control circuitry from complex logic gates, the control logic is implemented with code known as microcode, ...
The Pentium contains a complicated circuit to multiply by three ( www.righto.com )
The Pentium contains a complicated circuit to multiply by three ( www.righto.com )
TIL that 64 bits of RAM in 1970 cost $99.5 in 1970 dollars. It could store an 8 letter string and that was it. ( www.righto.com )
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The origin and unexpected evolution of the word "mainframe" ( www.righto.com )
Wealth distribution in the United States ( www.righto.com )
The Pentium as a Navajo weaving ( www.righto.com )
The Pentium as a Navajo weaving ( www.righto.com )
Reverse engineering the 59-pound printer onboard the Space Shuttle ( www.righto.com )
Inside an IBM/Motorola mainframe controller chip from 1981 ( www.righto.com )
Inside the Globus INK: a mechanical navigation computer for Soviet spaceflight ( www.righto.com )
"Different Globus units needed to be built for different orbits. Moreover, this design only handles circular orbits, making it useless during orbit changes such as rendezvous and docking. These were such significant limitations that some cosmonauts wanted the Globus removed from the control panel, but it remained until it was ...