ORION EM G
ORION EM G
ORION EM G
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DIGITAL ELECTRONIC COMPUTER<br />
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<strong>EM</strong>G-830 Digital Electronic Computer<br />
The <strong>EM</strong>G-830 digital electronic computer though according to<br />
its technical construction belongs to the category of II. generation<br />
machines, in its logical structure features many Ill. generation<br />
characteristics.<br />
These characteristics facilitate the application of the machine<br />
for data processln1, technical-scientific c~lculations and<br />
process control. Continuous development of the program<br />
library Widens the applicatiOn facilities even after putting tO<br />
operation.<br />
Programming is facilitated by SIMPLE assembler and <strong>EM</strong>G autocode,<br />
ALGOL and FORTRAN compilers are under development.<br />
Organization and fast operation of the computer facilitate<br />
multiprogramming and also real-time program run indispensable<br />
In process control applications.<br />
The program library consists of:<br />
various sub:outines (activation of peripheral equipment)<br />
standard functions<br />
floating point and double word length operations diagnostic test<br />
programs<br />
technical and data processing programs<br />
compilers and Interpretive programs for the above programming<br />
languages.<br />
Application of the computer is greatly helped by the direct contact<br />
of <strong>EM</strong>G Computer Sales Department which is always readily<br />
at customers' disposal.<br />
To make customers acquinted with the machine, <strong>EM</strong>G organizes I<br />
courses for programmers and operators on different levels.<br />
<strong>EM</strong>G Computer Sales Department helps customers In all questions<br />
concerning operation and installation (e.g. experts advise<br />
<strong>EM</strong>Ci 830<br />
the user on computer room layout and on adequate enviromental<br />
conditions).<br />
The up-to-date electronic computer built up of silicon semi·<br />
conductors, owing to its modular construction is suitable for a<br />
wide field of applications. Th is means, that according to new<br />
requirements the performance of the computer might be In·<br />
creased by simply plugging-In additional modules (without<br />
changing the original machine construction). If, for instance,<br />
the problems at the very begining might be solved by a small<br />
configuration consisting of only a few modules, the possible<br />
later extension should be taken account only from the aspect<br />
of space requirements.<br />
The <strong>EM</strong>G-830 us a single address machine. Wordlength is 2~<br />
bits In case of a data processing variation and 21 +3 bits in case<br />
of process control variation. In the latter case the separated 3<br />
bits serve for parity check which ensures increased safety of<br />
operation indispensable in process control applications.<br />
The instruction format ensures direct addressing of 32,768 store<br />
locations in case of data processing and 8,1 92 store locations in<br />
case of a process control variation. In other words, the ferrite<br />
care store can be extended with ~K modules up to 32K capacity<br />
in case of a data processing variation and up to 8K in case of a<br />
process control variation.<br />
For the storage of wired programs the Internal store might be<br />
extended with 256 word permanent store modules. Cycle time<br />
of the operative (f!!rrite core) store is 6 !J.S, average speed of the<br />
machine is 25,000 operations per second.