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The PDP-7 is most famous as the original machine for the Unix operating system.
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PDP-7 and is
The DEC PDP-7 is a minicomputer produced by Digital Equipment Corporation.
Another machine, a PDP-7 ( S # 47 ) is known to be in the collection of Max Burnet near Sydney, Australia, and a fourth PDP-7 machine ( S # 33 ) is in storage at the Computer History Museum in Mountain View, California.
PDP-7 and most
The typeless nature of B made sense on the Honeywell, PDP-7 and many older computers, but was a problem on the PDP-11 because it was difficult to elegantly access the character data type that the PDP-11 and most modern computers fully support.
PDP-7 and famous
* http :// www. bell-labs. com / history / unix / pdp7. html " The famous PDP-7 comes to the rescue " ( Bell Labs ' Unix history ).
PDP-7 and original
The original MUMPS system was, like Unix a few years later, built on a spare DEC PDP-7.
PDP-7 and machine
The earliest PDP-7 implementations compiled to threaded code, and then Ritchie wrote a compiler using TMG which produced machine code.
; PDP-7: Replacement for the PDP-4 ; DEC's first wire-wrapped machine.
; PDP-9: Successor to the PDP-7, DEC's first micro-programmed machine.
PDP-7 and for
Early implementations were for the DEC PDP-7 and PDP-11 minicomputers using early Unix, and Honeywell 36-bit mainframes running the operating system GCOS.
It was rewritten as rf for the PDP-7, and at the same time ( 1969 ), Doug McIlroy rewrote an extended and simplified version of roff in the BCPL programming language.
In 1969, Ken Thompson wrote the first UNIX system in assembly language on a PDP-7, then named Unics as a pun on Multics, as the operating system for Space Travel, a game which required graphics to depict the motion of the planets.
* http :// dictionary. reference. com / browse / PDP-7 general information for the computer system.
The first UNIX version was a transliteration of the BCPL version of runoff into PDP-7 assembly, for the prototype UNIX on the PDP-7, circa 1970.
The game was originally written in 1969 by Ken Thompson for a Multics system, then ported by him to Fortran on a GECOS system, and eventually ported by Thompson and Dennis Ritchie to a PDP-7.
PDP-7 and Unix
The first version of Unix was developed on a PDP-7 which was sitting around Bell Labs.
After learning how to program the PDP-7 computer, Ken Thompson, Dennis Ritchie, Joe Ossanna, and Rudd Canaday began to program the operating system that was designed earlier by Thompson ( Unics, later named Unix ).
The initial development of Unix occurred on DEC equipment, notably DEC PDP-7 and PDP-11 ( Programmable Data Processor ) systems.
PDP-7 and system
A PDP-7 was also the development system used during the development of MUMPS at MGH in Boston a few years earlier.
PDP-7 and .
In 1964 DEC introduced its new Flip Chip module design, and used it to re-implement the PDP-4 as the PDP-7.
The PDP-7 was introduced in December 1964, and about 120 were eventually produced.
* http :// www. soemtron. org / pdp7. html information about the PDP-7 and PDP7A including some manuals and a customer list covering 99 of the 120 systems shipped.
The PDP-7 was the third of Digital's 18-bit machines, with essentially the same instruction set architecture as the PDP-4 and the PDP-9.
There are few remaining PDP-7 systems still in operable condition.
is and most
I want the room in the attic prepared for him He is a most unusual lad, quite precocious in many ways.
In fact it has caused us to give serious thought to moving our residence south, because it is not easy for the most objective Southerner to sit calmly by when his host is telling a roomful of people that the only way to deal with Southerners who oppose integration is to send in troops and shoot the bastards down.
but for this discussion the most important division is between those who have been reconstructed and those who haven't.
But apart from racial problems, the old unreconstructed South -- to use the moderate words favored by Mr. Thomas Griffith -- finds itself unsympathetic to most of what is different about the civilization of the North.
The general acceptance of the idea of governmental ( i.e., societal ) responsibility for the economic well-being of the American people is surely one of the two most significant watersheds in American constitutional history.
Accidental war is so sensitive a subject that most of the people who could become directly involved in one are told just enough so they can perform their portions of incredibly complex tasks.
Even though in most cases the completion of the definitive editions of their writings is still years off, enough documentation has already been assembled to warrant drawing a new composite profile of the leadership which performed the heroic dual feats of winning American independence and founding a new nation.
It is clear that, while most writers enjoy picturing the Negro as a woolly-headed, humble old agrarian who mutters `` yassuhs '' and `` sho' nufs '' with blissful deference to his white employer ( or, in Old South terms, `` massuh '' ), this stereotype is doomed to become in reality as obsolete as Caldwell's Lester.
Presenting an individualized Negro character, it would seem, is one of the most difficult assignments a Southern writer could tackle ; ;
All but the most rabid of Confederate flag wavers admit that the Old Southern tradition is defunct in actuality and sigh that its passing was accompanied by the disappearance of many genteel and aristocratic traditions of the reputedly languid ante-bellum way of life.
Yet often fear persists because, even with the most rigid ritual, one is never quite free from the uneasy feeling that one might make some mistake or that in every previous execution one had been unaware of the really decisive act.
Perhaps the most illuminating example of the reduction of fear through understanding is derived from our increased knowledge of the nature of disease.
The consciousness it mirrors may have come earlier to Europe than to America, but it is the consciousness that most `` mature '' societies arrive at when their successes in technological and economic systematization propel them into a time of examining the not-strictly-practical ends of culture.
And the life they lead is undisciplined and for the most part unproductive, even though they make a fetish of devoting themselves to some creative pursuit -- writing, painting, music.
The music which Lautner has composed for this episode is for the most part `` rather pretty and perfectly banal ''.
Presupposed in Plato's system is a doctrine of levels of insight, in which a certain kind of detached understanding is alone capable of penetrating to the most sublime wisdom.
As long as perception is seen as composed only of isolated sense data, most of the quality and interconnectedness of existence loses its objectivity, becomes an invention of consciousness, and the result is a philosophical scepticism.
And it is precisely in this poorer economic class that one finds, and has always found, the most racial friction.
It is something which most of us try to get out from under.
We assume for this illustration that the size of the land plots is so great that the distance between dwellings is greater than the voice can carry and that most of the communication is between nearest neighbors only, as shown in Figure 2.
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