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Model M keyboard

Known as: Enhanced Keyboard, IBM Model M Keyboard, Clickety-clack keyboard 
Model M is a designation for a group of computer keyboards manufactured by IBM starting in 1984, and later by Lexmark, Unicomp and MaxiSwitch. The… 
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Papers overview

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2019
2019
to assess the capacity of air traffic control (ATC) secondary surveillance radar (SSR) system in the first principle, using… 
2008
2008
Abstract In 2004 Csima, Hirschfeldt, Knight, and Soare [1] showed that a set A ≤T 0′ is nonlow2 if and only if A is prime… 
2006
2006
We prove that every n-modal logic between K and S5 is undecidable, whenever n ≥ 3. We also show that each of these logics is non… 
2004
2004
Model migration is needed to transform a model from one modelling language to another to reuse these models and thus, to reduce… 
2002
2002
AbstractThere is a great deal of research aimed toward the development of temporal logics and model checking algorithms which can… 
1999
1999
AssumeG is a superstable group ofM-rank 1 and the division ring of pseudo-endomorphisms ofG is a prime field. We prove a relative… 
1979
1979
There are two accounts of the truth conditions of counterfactual statements which have been developed. According to David Lewis’s…