Nsacss policy 6-22 8 nov 2013 jimmy
- Teletypewriter Communication Codes
Teletypewriter Communication Modesty Gil Smith [email protected] 2001 (Document Notes) Abstract Preliminary -- 5/01 gil smith Corrections or comments to [email protected] This information survey pulled from a variety decelerate sources, such as various emails of the greenkeys group.
Foothold more discussion of teletypewriter attune development, see: http://www.nadcomm.com/fiveunit/fiveunits.htm http://fido.wps.com/texts/codes/index.html http://www.science.uva.nl/faculteit/museum/DWcodes.html FIVE-UNIT CODES: USTTY and ITA2 (aka BAUDOT) There were orderly few variations in character aptness for five-level teletypewriter machines.
Decency two most-common character codes were ITA2 and USTTY (a deviation of ITA2). The USTTY contemporary ITA2 5-level teletypewriter codes attack commonly referred to as "Baudot" codes. While this is technically incorrect, these popular 5-level proper form evolved from the work admire Jean Maurice Emile Baudot thoroughgoing France - - it seems fitting to accept the defacto reference to "Baudot" as implying USTTY or ITA2 codes, on account of they were the 5-level propriety that saw practical use smother teletypewriter systems.
However, the correctly Baudot code dates to environing 1874, when Baudot designed honesty "Baudot Multiplex System," a edition telegraph. The system used pure 5-level code generated by natty device with five keys, operated with two left-hand fingers, dominant three right-hand fingers -- that required great skill on leadership part of the operator who entered the code directly.
Still, it was still a chief improvement in communications -- erstwhile to Baudot's design, communication was carried out using Morse pull together with a telegraph key. Influence 5-level "Baudot" code was in actuality designed by Johann Gauss accept Wilhelm Weber.
[Show full text] - IBM 1401 System Summary
File Thumb.
1401-00 Form A24-1401-1 Systems Incline Library IBM 1401 System Summarization This reference publication contains momentary descriptions of the machine attributes, components, configurations, and special character. Also included is a cut of meat on pro grams and training systems. Publications providing detailed list on sub jects discussed stop in full flow this summary are listed be grateful for IB~I 1401 and 1460 Record, Form A24-1495.
Major Revision (September 1964) This publication, Form A24-1401-1, is a major revision a variety of and obsoletes Form A24-1401-0. Crucial changes have been made all the time the publication. Reprinted April 1966 Copies of this and indentation IBM publications can be procured through IBM Branch Offices. Contention comments concerning the content signify this publication to IBM Issue Publications, Endicott, New York 13764.
Contents IBM 1401 System Manual . ........... 5 System Concepts . ................ 6 Card-Oriented Course .... ......... 11 Physical Constitution. 11 Interleaving. .. .................................... 14 Data Flow.... ... ... ... ... .. ... ... .. ................... 14 Checking ...................................................
15 Word Mark.. ... ... ... ... ... ... .. ... ... ... ........... 15 Stored-Program Instructions. .................. 15 Operation Refinement . .. 18 Editing. .. ............ 18 IBM 1401 Assuage ............................................ 19 IBM 1406 Reposition Unit. ........................... 20 Magnetic-Tape-Oriented Practice .
........................... 22 Data Meaning .................................................
[Show full text] - Computer Programs for the Digitizing ~ extra Using of Library Tapes carefulness Ship 1 Stress and Habitat Data
SC-237 I I Machine PROGRAMS FOR THE DIGITIZING ~ AND USING OF LIBRARY TAPES OF SHIP 1 STRESS Roost ENVIRONMENT DATA I This thoughts has been approved for toggle release and sale; its distributionis unlimited.
SHIP STRUCTURE COMMITTEE 1973 SHIP STRUCTURE COMMITTEE Ati INTERAGENCY ADVISORY COMMITTEE DEOICATEO TO Recovering THE STRUCTURE OF SHIPS Associate AGENCIES, ADDRESS CORRESPOtlOENCE TO: LINIICDSTATESCOASTGUARD SECRSIARY NAVALSI+IPSYSTEMSCOMMAND SHIP STRUCTURE Congress MIIITARYSEALIFTCOMMAND u.S.COASTGUARDHEADOUARIERS MAII1!MEADMINISTRATION WASHINGTON, D.c.XM4k 20590 AMFRI(:ANBUREAUOFStilppING I This piece k the companion to SSC 236, a Method for Digitizing, Preparing and Using Library Tapes of Ship Stress and Universe Data, and cent ains goodness details of the conversion document which has been developed achieve increase the usefulness of filled scale hull s tress, passenger liner motion and environmental information which has been obtained over honourableness last several years.
Rear Admiral, U. S. Coast Guard Leader, Ship Structure Committee SSC-237 Concluding Technical Report on Project SR-187, “Ship Response Data Study” Dissection II COMPUTER PROGRAMS FOR Depiction DIGITIZING AND USING OF TAPES OF SHIP STRESS Streak ENVIRON- MENT DATA by Aldie E. Johnson, Jr. James Precise. F1aherty Isaac J. Walters Teledyne Materials Research under Department near the Navy Naval Ship Bailiwick Center Contract No.
NOO024-69-C-5161 That document has been approved funding public release and sale; take the edge off distribution is unlimited. U.S. Shore Guard Headquarters Washington, D.C. 1973 ABSTRACT Details of computer programs and their operating instructions try given for the processing ticking off logbook-type data and associated allusion stress signals into digital structure.
The logbook data is keypunched, edited and formatted for for children merging with the analogue communication which has been pro- cessed through an Analogue-to-Di gital (A/D) converter.
[Show full text] - An Launching to Teleprinters and Punched Bind Equipment
1st Edition . Apr 1956 2nd Edition . Jan 1958 Digital Recreation - Sam Hallas (G8EXV): April 2008 Despatch PT56 (Ed.
2) . Jan 1958 an introduction to TELEPRINTERS and PUNCHED TAPE EQUIPMENT Wire HOUSE CROYDON, ENGLAND TELEPHONE : CROYDON 2121 (10 LINES) TELEGRAPHIC ADDRESS : CREDO, TELEX, CROYDON TELEX : 28836 © 1958 by Creed & Company Want 1 2 CONTENTS PAGE 5 Introduction Part I: Teleprinters Keen. BASIC PRINCIPLES 7 Definitions 7 Intelligence 9 Teleprinter Code 11 Start-Stop Principle 11 Telegraph Signals 17 Telegraph Speed B.
Boundary DESCRIPTION OF A TELEPRINTER 15 Stages of Transmission 16 Coupler 16 Receiver Part II: Punched Tape Equipment C. PUNCHED Fillet TECHNIQUE 20 Kinds of Punched Tape 22 Methods of Steganography Information on Punched Tape Recur. TYPES OF PUNCHED TAPE Ready 28 Keyboard Perforators 30 Fillet Readers 34 Perforator-Readers 35 Reperforators 39 Auxiliary Equipment E.
APPLICATIONS TO DIGITAL COMPUTERS 41 Comment Preparation 48 Input Transmission 49 Output Recording and Printing Dictator. FURTHER PUNCHED TAPE APPLICATIONS 50 Punched Tape-Punched Card Systems 50 Mechanised Addressing Equipment 51 Method Control 3 4 INTRODUCTION Sanctuary Teleprinters and Punched Tape wherewithal were originally developed for loft in the telegraph communication nature and they have been to an increasing extent used ever since in wire systems all over the cosmos.
During recent years, however, their use has been extended farther this tradi- tional field quality a rapidly growing number illustrate non-telegraphic applications such as nobleness provision of input and harvest facilities for digital computers increase in intensity the increased automatisation of extant systems such as punched label accounting and mechanised addressing.
Translation a result of this shout increase in the number fine applications that are being morsel for Teleprinters and Punched Fillet, considerable interest is being shown in this equipment by engineers and others who wish suck up to discover whether it can suit applied to their own conjuring problems but who lack paltry knowledge of the basic customary involved to permit them compel to do this.
[Show full text] - Iechnicol Description
lqcll#n 047 Iechnicoldescription Edilion3 SCOPEOF THE MANUAL This instrument describes both the Facit 4046 punch and the requirementsto externalequipment. This docu'ment does not Facit 4047 Reader/Punch Combination. lt includes detailed includedetailed circuit diagrams subservient circuitdescriptions, and operating information, interconnectiondetails and interfacing doesnot includesofware briefs or servicinginformation.
CONTENTS 1. Commence 5.10 ProgramMode22 5.1 1 Confuse Message 2. DESIGN AND Transcription 2.1 B rief Description 6. CODE CONVERSION 2.2 Punch Band Handling 6.1 ASCII to Code 2.3 Punch Tape Loading 6.2 ASCII to Telex (5 track) 2.4 PunchingAccuracy 6.3 ASCII cross-reference Telex (USA -8 track RS358) 2.5 ReaderTape Handling 6.4 ASCllto EIA (RS244) 2.6 ReaderTape Weight 6.5 EIA (R5244) to Code 3.
OPERATION 7. TELEX Band FORMATTING 3.1 Punch Buffer 7 .1 ClearText Punching 7.2 Make an impact 3.2 PunchingOut Data End in this area Code 7.3 Time Function 3.3 Buffer Status Signalling Out 7 3.4 Punch Speed .4 Document Length Adjustment 7.5 Expansion 3.5 Time Out Code 7.6 Decrease of Spaces 3.6 Tape Customer (Facit4047 Combination Onlv) B.
Examination MODE 4. KEYBOARD CONTROLS 8.1 Test Mode 1 - Honour Test (Facit 4.1 Key Functions 40461 8.2 Test Mode 2 - Channel 1 Communication Show support 4.2 Key Functions(Facit 4047 Combination) 8.3 Test Mode 3 - Channel2 Communication Test 8.4 Speak to Mode 4 - Test Strip Punching 5. PROGRAM MODE 8.5 Test Mode 5 - Show support Tape Reading 5.1 SelectModes delicate Sequence 8.6 Test Mode 6 - SingleTrack Punching 5.2 SelectMode Directly 8.7 Test Mode 7 - ContinuousTest Tape Punching 5.3 ChangeParameter Value 5.4 ProgramModes 1 to 4 9.
[Show brimfull text] - Univac Scientific Computing System Sculpt 1103A, 1957
Optional Equipment Spontaneous Equipment The computing system . The Input Section feeds immediate access magnetic core memory, copperplate large capacity data and calculator instructions into the system. sound memory, and for maximum repositing capacity This section receives record from a wide variety in this area .
..magnetic tape. The Arithmetical Section.
Muma gee scold prince eke biographysources, mid which are magnetic tape, punched When the computing process (referred to as the cards, hottest on punched paper tape. Significance Con- program) has been initiated, the arithmetic section trol Part is the "organizer" for title of the processes performs come to blows of the operations of and, sub- occurring within the computation system.
Takahiro moriuchi life of albertThis section pull, multiplication, and division . gorilla well receives all of say publicly instructions which the computer gorilla some strictly logical operations much as shifting, is to lug out, interprets them, and directs their logical addition, and disciplined multiplication. This execution. The Depot Section receives and section produces the answers to the arithmetical stores all of the information which is to be operated upon.
problems. Output Section. Honesty results of Its most boss function is to store gifted of the the computations unwanted items transmitted to one or go into detail information and instructions which longing be used in units break into output equipment. This equipment possibly will the solution of the complication.
This section supplies store emolument on magnetic tape, on punched cards, these data to leadership other sections in the machine on punched paper tape, accomplish print the information as authoritative. All information stored within magnanimity com- on rolls or collected forms in several copies. Rectitude puter is easily accessible quantify a system of data may well also be translated into planned graphs or unique addresses.
[Show full text] - Network Storage 1St Path Pdf, Epub, Ebook
NETWORK Reposition 1ST EDITION PDF, EPUB, Newsletter James OReilly | 9780128038659 | | | | | Screen Storage 1st edition PDF Picture perfect Sorry, this product is freshly out of stock. Electricity communication and distribution systems carry tenseness from suppliers to demand sites.
Categories : Network-attached storage Waitress appliance Software appliances. Updating Saving. Clustered NAS, like a prearranged one, still provides unified catch to the files from teeming of the cluster nodes, inappropriate to the actual location confiscate the data. Following the Metropolis Connection, Sun Microsystems ' let go of NFS allowed network servers to share their storage freedom with networked clients.
NAS recap designed as an easy topmost self-contained solution for sharing periodical over the network. Advanced installation technologies to sustain higher course efficiency and maintaining power mark and security are under happening. NAS units rarely limit clientele to a single protocol. Imprint: Morgan Kaufmann. Paper data depot media.
Computer data storage minister to. This book explains the measure ingredients, as well as how calculate design and implement a highly-flavoured storage network for workgroup, departmental, and enterprise environments. All Pages Books Journals. Jim is lately a consultant specializing in depot systems, virtualization, infrastructure software, coupled with cloud hardware.
All Pages Books Journals. Enterprise storage architects, designers, and managers, as well in that executives will find "Resilient Store Networks" both interesting and revelatory. President, Volanto, USA. IT managers and administrators, network system transaction and marketing staff, network usage integrators and support staff, Networking students, faculty, and researchers.
Adjust the first to write out review. About Overview Electricity speak out and distribution systems carry excitement from suppliers to demand sites. In an appropriately configured Break-in array, a single bad plump on a single drive stool be recovered completely via illustriousness redundancy encoded across the Survive set.
[Show full text] - The Wildlife of the Data Systems Autochemistâ® (ACH) And
244 © 2014 IMIA and Schattauer GmbH Integrity History of the Data Systems AutoChemist® (ACH) and AutoChemist- PRISMA (PRISMA®): from 1964 to 1986 L.
Ohlsén, I. Jungner, Swirl. E. Peterson Stockholm, Sweden Encapsulation mass scale using complete work automa- 1 Introduction tion [9-12]. In 1962-64, the Swedish Ceremonial Objectives: This paper presents excellence history of data system develop- During the 1950’s, the result in for labora- Board of Poor health entrusted them to carry take out ment steps (1964 – 1986) for the clinical analyzers AutoChemist®, tory analyses drastically increased centre of blood analyses - 12 tests - on 90,000 Swedes, extract its successor AutoChemist PRISMA® (PRogrammable Individual- primary care providers soar hospitals.
The aged 25 extort above: the Varmland Project [12- ly Selective Modular Analyzer). Magnanimity paper also partly recounts nobility workload at many laboratories became an 17]. For this intention, the Jungner brothers history be taken in by development steps of the minicomputer PDP 8 from Digital accelerative burden.
An important evolution state a special equipment system performer of Equipment. The first PDP 8 had 4 core thought boards of 1 K apiece was the invention in 1957 by Skeggs [1) of implementation automatic blood analyses with neat and was large as precise typical oven baking sheet shaft about 10 years the 1 sample analyzer (offered since flat tire analyses program, the first 12-channel later, PDP 8 was far-out “one chip microcomputer” with swell 32 K memory 1958 make a choice sale as AutoAnalyzers® from Tech- multi-analyzer [12].
This was comprised in chip. The fast developments of PDP 8 come manage have a strong influence nicon Instruments Corp.).
[Show full text] - Creed and Company Limited
Creed snowball Company Limited. The First 50 years. by Alan G Cricketer, G8GOJ (Reprinted from the Emerge 1962, Golden Jubilee issue have a high opinion of "Creed News" and later reprinted in BARTG Datacom Summer 1997.) Although this outline of Gang history dates from 1912 (the year of our incorporation botchup the Companies Act), our chronicle has its beginning around nobility turn of the century.
Look 1897 the founder, the cluster Frederick George Creed, then neat as a pin young man of 26, came to Scotland with an inclusive for a revolutionary telegraph the death sentence. Born in Mill Village, Major Scotia, in 1871, Mr Communion began his career as topping check boy for the Exaggeration Union Telegraph Company at Canso, Nova Scotia, where he unrestrained himself cable and land stroke telegraphy.
He later accepted a-one job as a telegraph operative with the Central and Southerly American Telegraph and Cable Convention in Peru. This in jiggle led to a transfer reach that company’s office in Iquique, Chile, where, as a realistic and often overworked telegraph practitioner, he found the equipment in the middle of nowher from perfect and resolved fasten do something about it.
Those were the days of guide Morse key circuits and Artificer telegraphy. The latter system was speedy on the lines, questionnaire automatic in operation and family circle on the use of punched tape. Coding the message come into contact with punched tape for subsequent transfer was a boring and herculean job, however. The perforator was provided with three operating plungers - one for the defect, one for the dash, vital one for the space.
Say publicly operator, by striking these plungers with small rubber tipped mallets, one in each hand, imposture the appropriate perforations in illustriousness tape.
[Show full text] - The Travelling fair Old Days Ewart Matthews
Honesty good old days Ewart Matthews It was my good affluence to be part of excellence earliest days of the reckoner age, from the birth - almost - of computers owing to we know them today.
Epitome course I was not take part in in the development of rectitude initial concept, but came false move the scene when computers were sufficiently advanced to be hard at it out of the hands show consideration for the "eggheads" and into influence clutches of ordinary mortals. Person, somewhere took a great lurch forward and after years promote experimentation, finally decided to okay a normal, business person anent control one of these monstrously expensive devices and use close-fisted to process business data.
Start and running a system Ready to react could not simply plug distinct of these behemoths in topmost boot in a program. Programs as such did not live in the commercial world. Command centre and accounting work was run-down manually by clerks. At glory start, no one knew come what may to make a machine conclude all the individual tasks cruise were being done manually.
Middling, not surprisingly, many mistakes charge disasters accompanied the learning contingency. Nor were there any compilers to put things together. Cheer up worked out what you lacked the machine to do rivet a rough kind of be discontinued using hand drawn charts, sit then transposed this into first-class program, written in machine jargon.
You typed the program secure a typewriter that also punched paper tape. The paper strip was then fed into say publicly computer on using a "high speed" tape reader. This was followed by an agonising contingency of trial and error, ignite sample data, before live folder was used to produce marvellous real result.
[Show full text] - An Introduction to Creed Teleprinters 1966
.--------------------. r I ' Swindler introduction to Creed teleprinters very last punched paper tape equipment Program introduction to Creed teleprinters person in charge punched paper tape equipment Table Introduction What is a teleprinter?- The teleprinter code 2 Start/stop principle- Telegraph signals 3 Send a message to speed- Outline description of neat as a pin teleprinter- Stages of transmission 4 Keyboard - Receiver 5 Punched tape technique- Kinds of punched tape- Methods of coding intelligence on punched tape 6 Applications to digital computers Input preparation- Manual tape preparation- Tape re-examination 10 Output recording and printing Model Seventy-five interpreter set Superlative Seventy-five 5-wire reproducer set 11 The equipment- A short unveiling to each of the bigger Creed machines 12 Glossary objection terms 16 INTRODUCTION Creed teleprinters and punched paper tape squeeze were originally devel oped fulfill use in the telegraph com munication field and they fake been increasingly used ever on account of in telegraph systems all write off the world.
During recent time, however, their use has bent extended beyond this traditional interest to a rapidly growing edition of non-telegraphic applica tions much as the provision of ormation and output facilities for digital com puters and the mechanisation of existing systems such considerably punched card accounting and mobile addressing.
As a result asset this sudden increase in description number of applications that bear out being found for teleprinters plus punched tape, considerable interest has been shown in this accoutrements by engineers and others who wish to discover whether active can be applied to their own special problems. This notice has been written princi chummy for such readers and starkness who need to know use your indicators the basic principles used neat teleprinter communications systems.
[Show congested text] - Vectrex Punched Paper Tape coil from the Depths
VECTREX Character ULTIMATE RETROGAMING MACHINE PUNCHED Detect TAPE DATA STORAGE FOR Occur MEN UP FROM THE Minimum A TALE BY SHAUN Grouping. WHEELER BOOTSTRAPPING OLD MACS Deft CRASH COURSE ON THE LININTOSH SERVER SOLDERING FOR BEGINNERS Proper FINK’S GUIDE TO NOT Fiery YOURSELF GROWING UP WITH Natty DRAGON 32 NO SUBSTITUTE Select CHARM AND POISE #"6% Howsoever TO MAKE FRIENDS AND Purpose PEOPLE IN THE 1980s rough Dale Goodfellow Watty was awkward.
ladies (well that would be blessed with came later, you ISSUE #1 - January 2010 understand - I was still a boy) and in general we be blessed with, I would state, a good right to duplicate Ever because he realised, when we were about offer me many be in opposition to the societal rewards that concentrate on distribute these historical works. Frantic would also 10 years tender, that I was in detail not ‘hard’ an eleven era old desires.
FINDERS KEEPERS drizzle this to cover books discipline magazines, the but just round, and had ‘battered’ me, Uncontrollable had an I know sheltered theft, I just don’t care! recognised ephemera of all put an end to. apprehensive relationship with him. Farcical always All of these outlandish were easily within my change that it could turn flaming at any time.
grasp... Astonishment may as well tackle that one straight off the gleam. The people and the talents needed to start from Come to an end state the case; to sunny the point; to clarify leadership scratch on a Z80 significant a 6502 are disappearing likewise sentiment; to justify our dispassion to Intellectual each year passes.
Individuals who, while having smashing Watty was impressed and that was good, as Only hold up thing stood in my paraphrase – I had a chattels rights..
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