JPRS ID: 9261 USSR REPORT CYBERNETICS, COMPUTERS AND AUTOMATION TECHNOLOGY
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JPRS L/9261
19 August 1980
lJ ~S R Re ort -
p
- CYBERNETICS, COMPUTERS AND
AUTOMATION TECHNOLOGY
CFOUO 1~4/80)
FBIS FOREIGN BROADCAST INFORMATION SERVICE
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JPRS L/9261
19 August 1980
USSR REPORT
~YBERNETICS, COMPUTERS AND AUTOMATION TECHNOLOGY
(FOUO 14/80)
CONTENTS
~ HARDWARE _
Magnetic Memory Element for an Integral Semipermanent
Storage Unit 1
Abstracts From the Collection 'Mini- and Microcomputer
Hardware' 2
'Iskra' SPries Desk Top Calcnlators 4
SOFTWARE
List of Soviet Articles Dealing With Computer Programs......... 18
'Methods of Symbolic Multiproces~ing' To Be Published
by 'Naukovu Dumka' 26
Abstracts From the Journal 'Kibernetika' 27
Abstracts Fram the Book 'Questions in Cybernetics,
Intellectual Data Banks' 34
Data Models and Data Base Systems 38
Abstracts From the Co'llection 'Problems in the Use of Data
Base Managemer.t Systems' 41
Programs of the Central Institu~te of Economic Mathematics...... 45
The Use of the Formula Description Language for Out~ut
of Machine Documentation 46
APPLICATIONS
Automating the Planning of Control Systems 47
- - a- [III - USSR - 21C S&T FOUO]
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Abstr~cts on the Automation of Control System Planning........ SO
Abstracts From the Collection 'Data Processors and Data
Transmissions Devices' 54
New Book on Use of Hybrid Computing Complexes in
Modeling Studies 58
Automated System for Monitoring Digital Seismic Prospecting
_ Stations 65
Computer Solution of Problems of Reactor Thermophysics........ 75
Parallelization of the Computational Process in Differential
Mapping........ 78
Application of One Class of Languages for Description and
Transformation of Hybrid Computer System Block Diagram...... 80
Optimization of the Composition of Hardware and Operating
Expenditures for Communication Channels in Electronic
Computer Networks 81
Methods of Analog-Digital Modeling in Problems of the
Protection of Vessels Against Corrosion 86
Syst~�m for Concurrent Computer Simulation of Analog-Digital
Units of Computing Devices 91
Abstracts From the Journal 'Electronic Si.mulation'............ 92
Processing of Physical Information 98
Method of Planning Computer Circuit and Programming
Equipment 101
Questions of Simulation of Complex Systems 103
Theory of Optimum Solutions 105
Planning and Control in Digital Production Systems 107
Multicomputer Associations 108
- Reconstruction of Uniform Functions of Two Variables by Means
of Time-Pulse Technology 109
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Models for Predicting the Value of Gold on the Interna-
tional Market 110
Instrument-Making Achievers in Socialist CompEtition.........~ 111
Package of Applied Programs 'Power Planning` 113
One Association's Contacts With the USSR National Economic
Achievements Exhibition 114
Abstracts From the Book 'Questions in Cybernetics. Modern
Document Systems' 116
Improvement of Price Forma~~ion During Functioning of an
Automated Sector Control System 119
' CONFERENCES
~ Noise-Immune Data Encoding and Cotnpression 121
Proceedings of Conference on Problems in the Automation of
Information Processes in the Social Sciences 122
Brief Survey of the 1979 Information and Measuring System .
Conferen~ce ...............................o.................. 127 -
Moscow Conference on Inter-Link Control Systems 128
New Collection of Articles on Control of Movement 132
PUBLICATIONS
l~utomation of Scientif ic Research Based on the Fian Computer
Complex 139
Model of a System for Comple~c Automation of Large Research
Installations Based on the I~iinicomputer Network 146
A Multimachine System for Automation of the Powerful Del'fin
Laser Installation for Investigation of Thermonuclear
Fusion (Draft) 149
Compster Recording and Processing the Physical Information
Obtained at the Tyan'-Shan' Complex Installation for Study
of Extended Atmospheric Cosmic Ray Showers 154
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Communication of Computer Blocks by Means of Optical Fiber -
Light G~tides Having Low Losses 159
Abstracts From the Journal 'Sistemy Avtomatizatsii Nauchnykh
Issledovaniy I Ikh Programmnoye Obespecheniye' 163
Summaries of Scientific Reports of the All-Union Conference
on Computer Systems, Networks and Time-Shared ~enters.
Conference Materials 165
The Computer Center System of the Ukrainian Academy of .
Sciences 169 _
On the Architecture of the Time-Shared Computing System of
the Irkutsk Science Center 171
Architecture of the Central Computing Complex of the Computing
and Informatior. System of the Institute of Nuclear Energy
' Im. I. V. Kurchatov.~ 175
Architecture of a Distributed Processing Complex for
Aerospace Images 177
Planning a System of Remote Processing of Statistical
Information 1~1
Computing and Information Network for the Automated Urban
Management System of Moscow 184
Experimental Network of Computer Centers 186
Principles of Design of a Collective-Use Computer Center
(VTsKP) 190
Organization of Work With Remote Subsystems in the SEKOP _
Network 193
SEKOP Experimental Collective-Use Computer Network: Goals, _
Basic Concepts and Architecture 195
Aspects of Processor Programming Software of an Experimental
Computer Network With Package Commutation 198
Some Applications of the Kama Remote Data Processing System
In VTsKP 200
SET' Data Base Management System 202
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F~R ~FFT:CTAL (ISF ~N1,Y
Variable Cross-Reference System for Control Computers in '
Collective-Use Centers 206
Control of Technological Processes in a VTsKP 209
Architecture of Information Software of a Collective-Use
Automated Computer System (SAVR KP) of an Institution of
Higher Learning 212
Systems Programming Software of the VTsKP of the Siberian
Section of the USSR Academy of Sciences: DIRAK Operating
5ystem for Minicomputers 215
SEKOP Systems Programming Software for Data Exchange for ~
a Computer Network 218
Organization and Operation of Computing Facilities............ 222
Abstracts Froar 'Aggregation, Control and Diagnosis of
Computer Systems' 249 ~
Abstracts From the Journal 'Works of the Central Order of -
the Red Labor Banner Scientific Research Institute of the
Navy. Automated Control Systems' 257
Textbook on Analog Computers 260
'Elektronika 100I' Interface System 264
Abstracts From Institute of Thermopl~.ysics Book 269
A System for Controlling Large Capacity Memory 274
Method of Studying Operations and the Theory of Reliability
in the Analysis of Systems 275
Book on Automating Enterprise Control 276 -
Developing Systems of Data Processing Programming 278
Hybrid Computers 282
Structure of Memory Circuit Formation in the ASU TP on the
Internal Storage Screen for the Operator's Console.......... 284
Abstracts From the Collection 'Sistemy I Sredstva
Upravleniya Avtomatizirovannym Proizvodstvom' 289
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New Collection of Articles on Numerical Methods in
Mechanics..., 296
Multivalent Computing and Information Technology 298
Abstracts From the Collection 'Identification and
Parametric Correction of Control Systems' 299
Abstracts From the Journal 'Engineering Cybernetics'........... 305
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HARDWARE
UDC 681.327.67
MAGNETIC MEMORY ELEMENT FOR AN INTEGRAL SEMIPERMANENT STORAGE UNIT
Kiev ZAPOMINAYUSHCHIYE USTROYSTVA I KRIOELEKTRONNYYE KOMPONENTY EVM [Storage
_ Units and Cryoelectronic Computer Components] in Russian 1979 pp 5-10
STEPANOV, V. A. and OSTAPENKO, Yu. V.
[From REFERATIVNYY ZHURNAL. AVTOMATIKA, TELEMEKHANIKA I VYCHISLITEL'NAYA
TEKHNIKA No 4, April 1980 Abstract No 4 B562]
[Text] The design, operation and findings of an experimental investig~tion
of a magnetic memory element designed for the development of integral matrices
and, on their basis, of a semipermanent storage unit are presented. Figures
2; references 4.
COPYRIGHT: VINITI, 1980
[361-1386]
1
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rvt~ vrrl~.icu. uo~ v,vLi
ABSTRACTS FROM THE COLI,ECTION MINI- AND MICROCOMPUTER HARD- ~
WARE'
Kiev TEKHNICHESKIYE SR,EDSTVA MINI- I MIKROEVM in Russian 1979 pp 90-
91
~
UDC 681.3.06.51
REAL-TIME OPERATING SYSTEM FOR MICROCOMPUTERS
[Abstract of article by NIakhiboroda, A.V.]
[Text] The structure of a real-time operating system oriented to a specific class
of jobs and modular hardware and programming support is presented. The
proposed operating system (OS) realizes a simple tabular method of assignmertt
control permitting organization of interface funetions in the MEK-488 standard
and control of e~cecution of insteumental funetions. It is promising for
application in microprocessor devices built into scientific instruments. 2 figures,
references: 5.
UDC 681.398
ON ONE METHOD OF COMPUTERIZED DATA COMPRESSION
[Abstract of article by Makovenko, Ye. T., Yakovlev, Yu. S. and Babyak, B.P.]
[Text] Analytical expressions are derived which make it possible to determine
the minimally possible amount of inemory (in bits) and the coefficient of data
compression based on the frequency of encounter of alphabetical letters in a
message array. An original method is proposed for data compression which may
be applied in practice i~ the elaboration of specialized and control computers.
The possible reduction of data redundancy is illustrated. 2 tables, references: 4.
_ UDC 62-50.U01.5
CHARACTERISTICS OF SEVERAL EXPERIMENT CLASSES CONSIDERED AS
OBJECTS OF AUTOMATION
2
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[Abstract of article by Yegipko, V.M., Gorbunov, S.K. and Gorin, F.N.)
[Text] The totality of quantitative ana qualitative indicators describing
fundamental properties and features of experimental research as an object of
autnmation is considered. Based on observation of over 400 experiments, ranges
of variation in quantitative indicators are specified which correspond to five
classes of experiments. Examples of value of quantitative indicators are cited =
for each class. 1 figure, 5 tables, references: 3.
UDC 681.142.a
ON DESIGNING AN AUTOMATED SCIENTIFIC EXPERIMENTATION SYSTEM
BASED ON COUPLING DEVICES WITH STANDARD MONOPHONIC TAPE
RECORDERS
(Abstract of article by Reutov, V.B., Sevast'yanov, A.K.]
[Text] The possibility of designing an experient~l data collection &nd recording~
system based on coupling devices with a regular monophonic tape recorder and ,
one central computer is considered in the study. Technical specifications of the
device are illustrated. 1 figure, references: 3.
UDC 681.3: 518.5
ONE ALGORITHM FOR SOLVING FINITE DIFFERENCE EQUATIONS AND ITS
- APPLICATION IN DIGITAL GRIDS
(Abstract of article by Bashkov, Ye. A., Ladyzhenskiy, Yu. V. and Yuraga, A.L.]
[Text] An algorithm is proposed for organizing the computer process to solve
finite difference equations in digital gricis making possible a reduction in
equipment expenditure without substantial increase in problem-solving time by
rec3ucing the number of junetion processors. 1 figures, 3 tables, references: 4.
UDC 382.14
DETERMINING THE DIGITAL CONVERSION ERftOR OF INTEGRAL CHARAC-
TERISTICS OF A RANDOM PROCESS
[Abstract of article by Malinovskiy, B.N., Makov, D.K. and Potapova, G.N.]
[Text] Expressions are derived for total error and the coefficien'i of effect for
the derivation of integral characteristics of a random process using level
quantization, function generation of the quantized process, and time quantization
operations. A nonstationary normal random process is used as a model of the
input signal. It is shown that operations of quantization should be considered
jointly when deriving integral characteristics. references: 3.
- COPYRIGHT: Institut kibernetiki,1979
[359-8617]
8617
CSO: 1863 3
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'ISKRA' SERIES DESK TOP CALCULATORS
Moscow ELEKTRONNYYE KLAVISHNYYE VYCHISLITEL'NYYE MASHINY RYADA "ISKRA" in
Russian ~980 signed to press 16 Nov 79 pp 2-8~ 11-17, 168
[Annotation, table of contents, introduction and excerpts from chapter 1
of handbook by B. A. Baklan~ A. I. Bukhshtab, M. Ye. Levit, V. A. Murzin,
L. M~ Khokhlov and V. K. Shved; Izdatel'stvo "Statistika," 20,000 copies,
168 pages~
~Text] The basic technical characteristics and fe atures of the element
base of the "Iskra" series EKVM [desk top calculators] are considered in
this book. The principles of construction of standard units are described.
The structure and principles of logi~ construction are presented.
Al.gorithms are given for operation of the most popular and ad~anced models
in the series.
This book is intended for tne specialists who operate and maintain the
calculators in computing centers. It will be useful to engineers and
technicians who use the cal.culators in their work.
Contents Page
Introdixction 3
Chapter 1. Basic Characteristics of the "Isk~a" Series Calculators 4
~ 1.1. Nomenclature of Mode].s in the "Iskra" Series 4
1.2. Input Language for the Models in the Series g
1.3. Cal.culator Engineering Design Philosophy 11
Chapter 2. Element aase for tfi.e Calculator S'eries 18
2.1. Se].ection of the E].ement Base 18
2.2. Circuit Design Anal.ysis of Metal.-Oxide-Semiconductor CMOS]
Transistor Elements ~8
2.3. Logic MOS Integrated Circuits 25
2.4. Integrated Shift Registers 42
2.5. Special.ized Integrated Circuits CIC] 43 -
2.6. Specialized K1,45 IC 45
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Chapter 3. Logic Cons.truc~ion of Fixed-Point Calculators 46 -
3.1. Number Representation 4g
~.2. Block Diagram of the. Calculator ~'7
3.3. Arithmetic Unit 49
3~4. Synchronizer 54
3.5. Input T.Jnit 57
_ 3.6. Output Unit 58
3.7. ~Control Unit 63
3.8. Features o~ Real.ization af Sca].irig Circuits in the _
- "Tskra-1.103" Calculator 71
Chapter 4. Algorithms for Execution of Operations in Calculators
with Variable-Fixed Point 74 ~
4.1. Input of Numb ers 74
4.2. Addition and Subtraction 76
4.3. Multiplication 77
- 4.4. Division ~g
4.5. Square Roots gl
Chapter 5. Ca.lculators with Natural Point Using Small.-Scale
Integrated Microcircuits 85
5,1. Basic Features of the Calculators 85
5.2. Logic Construction and Principl.e of Operation of the
Calculators g6
5.3. Methods and Algorithms for Performing Basic Operations ].Ol
Chapter 6. Calculators with Natural Point Using Elements with
Medium-Scale Integration (SIS) 128
6,1. Logic Construction and Feattires of the "Iskra-124"
Cal.culator 128
_ 6.2. Algorithm and Methods of Performing Operations on the
"Iskra-124" Calculator 139
6.3. Logic Construction and Features of the "Iskra-122-1"
Calculator 157
6.4. Algorithm for Performing Operations on the "Iskra-122-1"
Calculator 162
Bibl.iography 167
Introduction
The widespread introduction and efficient use of computing techn~logy is
an ~mmediate national econanic task, the successful p~rformance of which
depends directl.y on the skills of the specialists immed.iately engaged in
operation and maintenance of specific models of machines.
Developed at the Leningrad State Union Industrial Design Bureau (GSKTB)
for Calculators, the "Is}ma" calculator series built with integrated
circuits largely meets the needs of the cauntry's national econany for
modern calculator s.
5
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The "Is~a" series of calculators have MOS IC's for their elenent base.
'I'?~e technical-economic characteristics of these circuits most fully meet
the requir~nents of the calculatar~s for fast operation, degree of ~nte-
gration and cost.
The reliability of calculators using MOS IC's was enhanced by a sharp '
reduction in the number of elements in the machines (8-12-fold ) and by
_ the reduction in the number of solders (2-3-fold ) and leads (abaut 2-fold
The reduction in the number of Farts and assanbly connections made it
possible to raise th~ technological effectiveness of calculators, imFmove
_ their size-weight indexes, lowes costs and sharply increase autput of the
machines in the country.
Engine~ring the "Is}ma" sexies of calculators, based on standardized basic
circuits and industrial design solutions, made it possible to obtain a
great number of operational-technical advantages, including:
- standardize~ nomenclature of calculator moclels for a wide range of
camputational operations;
unity of input languages and external software for the models;
and the possibil.ity of setting up a centralized. network for calculatar
repair in the USSR TsSU [Central Statistical Administration] systen.
This book wi11 provide essential theoretical and practica.l aid to special-
ists in the study and use of the "Islma" se~ies of calculatc~s.
Chapter l. Basic Characteristics of the "Is]a~a" Series of Calculators -
l.l. Nomenclature of Models in the "Is}ma" Series
The "Islma" calculator series includes the following models:
~
the "IsJma-1103" and "Is}ma-210"--for the simplest calculatic+ns; ~
the "Islma-1.11," "Islma-1.12," "Islma-114" and "Islma-1121"--for ccmmercial ~
i
c alcu lat ion s; ~
i
and the "Is}ma-121," "Islma-122," "Islma-122-1," "Is]ma-123" and ~
"Is}ma-124" for scientific calculations. !
i
As noted above, MOS IC's with snall, medium and large scale of integration !
(series K172, K144, K501, K145 and others) are used as the elsnent base in
the "Islma" series of ca].culatcros. The functional capabilities and
characteristics of the el~nent base are cove~ed in chaptex 2. `
,
6 ~
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1~O!t Of~l~ 1(:IAL US1: UIVI.Y
Th~ technical and operational parameters of the calculators essentially
depend upon the type and quantity of inetnory registers used.
TYmee types of registers are used in the menory units of the "Islma" _
series of calculators. With the first type, the user can press special
keys to stcme and recall initial data~ constants and calculation results.
The second type of inenory register can stc~e input riumbess or calculation
results with a"plus" or 'fiinus" sign in the correspondi.ng menory register
autanatically or the use~r can press special keys for this. Manory contents
can be recalled by pressing a special key.
The third type is a stack register not accessible to the user for storage
and recall. by using menory recall keys.
The stack registers form a special calculator memory that works on the
last in first out principle. Stack registe~xs make it possible to autamate
evaluation of al.getmaic pxp~essions with regard to the conventional Fmi-
ority for pxecution of op~rations [4] .
The basic characteristics of the "Islma" series of machines are given in
table 1.1.
The simplest model is the "Is)ma-1103" (fig. 1.1) for s~mple economic
planning and mathematical calculations. The machine performs addition,
subtraction, multiplication and division on 12-digit numbers, as well as
operations with a constant.
_ _
f_..~.._.
' ~ . ,
~
~ ~
:,r~ . i ~---r....._.. . ~w :
~ '
, ~ ~ r ~ . ~~s ~ i' y~~.� S=,
s~~~' .
, ~ .
. - ~ ,t,..c,t.:a..y~ g :;~1, �a~~W,f; I
1 , tf~~ . ~~~r"^"""~ ~ i
~ - . . ~ ~ ..~I
:
,
~ ~ . ~ . . .
_ . . _a.' . . . . .
. ..:._~.._..._....:1
Fig. 1.5. Keyboard unit Fig. 1.6. Modular keyboard unit
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~
}~Ok OFFIf; I '~,L [i5F. ;)i~1I.},
TYie display unit in all models of the series (except the "Iskra-1103,"
"Iskra-114," "Iskra-122-1," "Iskra-124" and the "Iskra-210") has the same
~ basic electrical circuits and is made with gas-discharge IN-14 indicator
tubes with a control circuit made with series produced transistors and
diodes (fig. 1.7).
-
:r epl C?
. , ~
+ .
Pig. 1.7. Display unit with IN-14 tubes
The "Iskra-1103," "Iskra-114," "Iskra-122-1" and "Iskra-124" models have
luminescent IV-6 indicator tubes (fig. l.8), while the "Iskra-210" model
uses the IV-3A type.
.
i ~
_
~ ~ ~ a � r � �
~ ~ Y i ~
' +
~ I ~ . . ~ .
Fig. 1.8. Display unit with IV-6 tubes
Sequential access memory with a magnetostrictive delay line (MLZ) was
used in the early "Iskra-111" and "Iskra-122" models. However, as
production was assimilated and the cost reduced, the K-144 series of
multidigit MOS integrated shift registers replaced the MLZ in the models
I3
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1~OR OI~FiClAL [151~. nNll'
of the calculator ser~es built with TC~s, which considerably enhanced the
technological effectiveness of the machines being produced.
The pc~wer supply was developed on the basis of a key stabilizer with a
converter and built with series produced discrete elements (fig. 1.9). ~
Design unification of the models in the series was achieved by develop-
ment of three basic calculator designs which vary considerably in size
and weight:
the b asic design for calculators handling the simplest calculations like
the "Iskra-1103" (fig. 1.10);
the b asic design for calculators handling commercial calculations (the
"Iskra-111" type and modifications of it, fig. l.ll);
- the b asic design for calculators handling scientific calculations (the
"Iskra-122" type and modifications of it, fig. 1.12).
~ ~ ~ j9 ~ ~ ~ ~ ~
,Zz^,~g; ...~3.y1.Wy.. ~'~:il.~. .
~.Y, ~
~ ,
Tr,
~ ~
. , . ' . .
~
ti
Fig. 1.9. Power supply for the "Iskra-122~' calculator
14
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.
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6
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Fig. 1.10. Basic Design of the "Iskra-1103" calculator
_ .,r
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sm.
, m s,
,
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Fig. 1.11. Basic design of a calculator for commercial calculations
~ 15
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FOR OFFICl"AL CTSE ONLY
~ ! II ~
~
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9 .
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,
Fig. 1.12. Basic design of a Fig. 1.13. Logic unit (type size
calculator for scientific 155 x 90 mm)
'calculations
The basic characteristics of the three basic designs are given in table
1.5.
Table 1.5
Parameters '~Iskra-1103" "Iskra-111" "Iskra-122"
Digit length 12 12 16
Number of logic boards, pieces 3 14 20
Type size of board, mm 240 x 140 155 x 90 155 x 90
_ Permiss ib le numb er of
microcircuits, pieces 120 200 340
Number of parts , pieces 259 657 1879
In the basic designs ("Tskra-111" and "Tskra-122") , unified principles of
the composition of the machines are used and the following basic parts
and assemblies are standardized: type size of logic boards Cfig. 1.13);
connectors; keyboards; logic unit design (fig. 1.14); power supply
design; and displ.ay unit design.
The basic design of the "Iskra-1103" is based on the common design
elements (connectors , tubes , keyboards , etc. ) of th.e "Iskra-111" and
"Iskra-122,~~ but differs substantially from them in principle of
compos ition .
16
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FOk OFFICIAL USE 01~T1.Y
.
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Fig. 1.14. Logic unit for the Fig. 1.15. Design of the "Iskra-21Q"
"Iskra-122" calculator calculator
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~~n~r t+~t
l~r 4
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iY,~~ffll'~~
e ~
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i . .
Fig. 1.16. Log~.c unit for the ~'Tskra-210" calculator
The "Iskra~210~' with large-scale integrated circuits (fig. 1.15) has a
completely different design. This new design is based on a single board
version of a calculator logic unit (fig. 1.16).
The basic designs enable replacement of an electrical circuit without _
_ changing machine design.
COPYRIGHT: Izdatel~stvo '~Statistika", 1980
[247-8545]
8545
CSO: 1863
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SOFTWARE
LIST OF SOVIET ARTICLES DEALING WITH COMPUTER PROGRAMS
Moscow ALGORITMY I PROGRAMMY in Russian No 5, 1980 pp 2-110
[Following is a listing of the Soviet entries from ALGORITMY I PROGRAMMY
(ALGORITHMS AND PROGRAMS), a biblio;.Traphical publication of GPNTB SSSft.
This listing is from Vol 5, 1980].
[ExcerptsJ
1534. Bayakov, A. Yu. Gontarenko, S.V., Kuznetsov, S.D. Clusters of
central processor operating systems. Report given at 4th conference of young
specialists and scientists, April 78. Mos~ow, 1979, 13 pp. ("Preprint/AN SSSR.
In-t toch. mekhaniki i VT, No 17).
1537. Zinov'yev, V.D., Klochkov. Monitoring and control of ~jata processing
in a computer center. "Vopr. radioelektron. Ser. EVT", 1979, iss. 5, pp 9-20.
Principles and methods of monitoring and control of data processing at VTs,
organization of package processing of assignments, planning, distribution and
- accounting of machine time. Algorithms and VTs report forms are given.
Experience gained in using monitoring standards established for operating
services for preventive maintenance and repair work is cited.
1538. Ivanov, V.N., Nechayev, V.M., Tsvetkov, V.V. Recording a hologram
in permanent optoelectronic memory. Repot given at 4th conference of young
specialists and scientists, Apr 78. Moscow, 1979, 17 pp ("Preprint/AN SSSR. In-
t toch. mekhaniki i VT, No 18), bibliography 5 designations.
1541. Maklashin, O.A., Molchanova, G. Yu. Some questions on planning a
CODASIL data base management system. Moscow, 1979, 30 pp ("Preprint/AN
SSSR IPM", No 3). bibliography 4 designations.
1544. Popovskaya, K.I. Analysis of inessage management program of
general telecommunications method of acecss. "Vopr. r,qdioelektron. Ser. EVT",
1979, iss. 6, pp 81-84. Questions of evaluation of required operating memory and
productivity of remote processing systems using general telecommunications
methods of access.
18
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i~ V it V i' 1~ 11.1r~ 1.. u ~ L v.v L x
1545. 1'ottosin, I.V., Realization language for systems programming,
Novosibirsk, 1979, 24 pp. ("Yreprint/SO AN SSSR VTs", No 179). bibliography 26
designations.
1580. fileyvas, I.M., Nartov, P.A., Trakay, V.G. Magnetic system cal-
cult~tion program based on methods of secondary sources. "Elektron. tekhnika.
Ser. 1. elektron. SVCh", 1979, iss. 5, pp 90-91. bibliography 4 designations.
ALGOL-program calculation in cylindrical system of coordinates R, A, Z '
axi5ymmetrical magnetic systems possessing symmetry with respect to OR axis.
['rogra?n consists of chief program PROGRAM and 12 peripheral subroutines.
Sytem of lineai� algebraic equations of high order, to which reduces solution of
integr~l equations, is solved with aid of standard program SYSTEM. Solution
time 25 minutes.
1584. Gusel'nikov, N.A. Varr~etor diode response analysis program. "Elek-
tron. tekhnil