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3 votes

Did any hardware-supported floating-point format ever fast-track integers?

In addition to the modern software implementation I mentioned, the LISP machines (from LMI and Symbolics) were notable for their hardware support for dynamic typing, including the ability to store ...
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1 vote

Did any hardware-supported floating-point format ever fast-track integers?

SQLite to this day uses a dynamic type system in which integers, IEEE floating-point numbers, and other things are possible datatypes, selected by a storage class field in the format. It’s common for ...
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2 votes

Did any hardware-supported floating-point format ever fast-track integers?

The question may be flawed due three misleading shortcuts: Sinclair doesn't do hardware float, it's storage issue resulting in selection of according math routines for speed optimization on a ...
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16 votes
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Did any hardware-supported floating-point format ever fast-track integers?

Computer architectures designed by Sergey Lebedev did not have a separate integer unit. Integers were represented as unnormalized floating point values with the exponent chosen to make the LSB have ...
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0 votes

What was the first operating system to be called an "operating system"?

The operating system for the Dartmouth Time Sharing System in 1967 was known as the executive. Nowadays it would be known as a kernel.
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2 votes

What was the first operating system to be called an "operating system"?

Though the following two systems don't refer to themselves as operating systems, they are control systems for early computers -- Lyons Eectronic Office (LEO) in the UK, implemented in 1951 and ...
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39 votes
Accepted

What was the first operating system to be called an "operating system"?

As is often the case, a candidate for the first system to be described by its authors as an “operating system” is the Atlas supervisor, described in the eponymous paper published in December 1961, ...
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4 votes
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What's the story behind IBM's SKU numbers?

Caveat: I'm not into IBM logistics, nor a blue shirt at all. This is what I learned many, many years ago when working with IBM field engineers in the 70s/80s. An SKU is a Stock Keeping Unit. It's ...
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