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"I' I CRTRMRTIBN, i August (=) 0- ';fl I ~ I ~ ~ ! til ifip 1 rg 0 p:; I ~@~~~®~~ 7~~ I ~~ J! ~ ---.., ~ 00 r'·~.....p...:J- ~-_/ \__ /i:! ~08 M C]) I munich P-i 0 ~ (1) t.)<l)(fl ~~ ~ fij ~ g~wm~~~ ell +' ~~ § § august 27 thru september 1 ~H~CJ.l i'~ ,...-"'\ \ ,II (, '-./ .~) ,", Who can hand you everything - from 30 mil core arrays to 60% of a computer? AMPEX. Do you prefer to have your ferrite cores already high and medium speed tape transports. Plus wired into arrays and assembled into memory computer tape. Plus an extensive field engineering stacks? Good. We can supply every possible con­ program in both Europe and the United Kingdom. figuration and frame design - including word select I n other words: when it comes to advanced, reliable and coincident current types. Would you rather computer components, Ampex has them. And the have production line delivery of your memories? widest possible selection. It's the only company with We can help you there, too. Ampex Computer recorders, tape"and memory devices for every appli­ Products Company has the widest range of off-the- ~ cation: Ampex Corp" 934 Charter St., Redwood City, Calif.; Ampex International S, A., !AMPEX! ~:~~e~~:~~ :~~~~sc~~eer~t~~gO~~Sd;~t~I~~n:hOe~i~;S~ • 1 rue des Pilettes, Fribourg, Switzerland. CIRCLE 1 ON READER CARD --------.-.--,---'.-.--' --- ;' o Fastest real. time medium-size computer The DDP-19 Digital Data Processor handles complex RELIABLE. DDP-19 modules, 3C's standard S-PACs, on-line engineering data foster than comparable have passed 800,000th PAC-hour of life test with machines. Off./ine too. Typical operation times, no failures. including instruction, operand access times: IN·OUT VARIETY. Program controlled data transfer. Multichannel interrupt with character buffers, word ADD •. 10 microseconds buffers, parallel transfer. Asynchronous full inter­ MULTIPLY 39 microseconds rupt channels with 200,000 word/sec transfer rate. DIVIDE • 66 microseconds Fully buffered input-output channels with 200 kc DOUBLE PRECISION ADD 60 microseconds word transfer rate - 3.8 million bits/sec. FLOATING POINT - 37 BIT MANTISSA, 10 BIT EXPONENT: EXPANDABLE. A full range of peripheral equipment, ADD • 220 microseconds including magnetic tope units, is available. DDP-19 MULTIPLY. 347 microseconds modular construction allows internal expansion. MEMORY CYCLE TIME 5 microseconds PROGRAMMING AIDS. Algebraic compiler, symbolic assembler, and comprehensive subroutine library. M~MORY ACCESS TIME 3 microseconds BASICS. DDP-19' Digital Data Processor is binary, Computation speeds such as these are backed by parallel, single address. Core memory (4096 to a strong command, structure with multiply, divide, 16,384 words), indexing, fixed point arithmetic. and multiple precision commands, plus easy float­ choice of 19, 22, or 24 bit word. Solid state. Ing point operation. Indexing, of course. Brochure and applications portfolio available. o @ OOIVlPUTER CONTROL COIVIPANV, INC 983 CONCORD ST.. FRAMINGHAM. MASSACHUSETTS • 2251 BARRY AVENUE. LOS ANGELES 64. CALIFORNIA CIRCLE 6 ON READER CARD August 1962 Mechanical simplicity ... which yields a degree of relia,bility unattainable by any other paper tape reader! Simplicity made possible through the utili­ zation of the revolutionary PMI printed motor direct drive servo. Movement of the tape through the read head is achieved by merely starting and stopping a printed motor. The brakes, clutches and pinch rollers that cause big trouble and down time in conventional tape transports are completely eliminated. Line by line cycle: movement of tape (A) over read head (B) is controlled by drive capstan (C)-attached directly to shaft of PMI printed motor* (D); spring-loaded rollers (E) hold tape gently against capstan, keeping tape move­ ment in exact accord with capstan rotation; advance command pulse accelerates motor, capstan, and tape; as read head detects next sprocket hole, a reverse pulse to motor halts capstan and tape with next character perfectly aligned in read head. ·u.s. Patents of Printed Motors, Inc. Pending. Photoci:rcuits' 100% solid state readers perform posi­ tive line-by-line reading at up to 300 cis; can change speed and alter it infinitely from 0 to 300 cis without mechanical adjustment; are easily loaded; will trans­ port and read crude splices; and can be clock syn­ chronized with a computer up to 300 cjs, eliminating the need for buffer storage. Console, rack-mounted, reel-servoed, uni- or bi­ directional transports in a low (up to 60 cis) and high (free-running at up to 400 cis) speed range are available. Strip readers and separate spoolers, vari­ ous tape widths, block .type reading, special input­ output ratings, militarized units, and remote control can be supplied. Phone, wire or write for complete information. COR P 0 RAT o N u£l]2)~ [g{~b\[Q)[;!~ [Q)D~D~O©L\fJ- Glen Cove, N. Y. CIRCLE 7 ON READER CARD .......... _............. _._ .. - ._-_._._-----_ .._--- at equipment corporation they chose PC>TTER o TAPE TRANSPORTS for the PDP-l Computer System Digital's Programmed Data Processor-1 is a solid state general purpose, digital computer with speed, flexibility and powerful programming features which have led to its selection for numerous scientific and research appli­ cations. Potter M906II Tape Transports provide maximum relia­ bility for the PDP-1 system. These versatile, solid state transports virtually eliminate programming restrictions. Potter transports accommodate five tape widths up to 1 ~" and at speeds up to 120 IPS. A tension arm slack loop system combined with dual vacuum buffer provides smooth cycling of the tape at stepping rates of 200 per second. In addition, data transfer rates of 62,500 BCD digits per second are readily obtained using standard recording techniques. Complete specifications of the M906II for standard or high density recording applications are available on request, simply write ... o ~. ~ ~u~~~~~o':z!;;;~";~::;:;,~~~"i~o;'; T.M. CIRCLE 8 ON READER CARD 4 DATAMATION --~--------------------------------------------------------------------------------------------------------------------------- the automatic handling oj injormation o volume 8, number Feature Articles 25 Where Are Compiler Languages. Going? by Harry N .. Cantrell Staff ·28 The Univac 1004 For Punched Card Data Processing 29 Perspective At Bendix, Based on a Taped Interview With Publisher FRANK D. THOMPSON Charles Edwards by Harold Bergstein Vice President & Gene'Tal Manager 21 How To Hire A Programmer by Jackson W. Granholm GARDNER F. LANDON 33 Programmed Instruction In Computing by James Rogers Vice President & Publication Manager 36 Computing Highlights At '62 WESCON RICHARD W. NIELSON 40 IFIP Congress 62: Aug. 27 -Sept. 1 by Isaac L. Auerbach and E. L. Harder 44 An Intonation On Internationalism by H. R. J. Grosch 46 Datamation's International Computer Census Editor HAROLD BERGSTEIN 52 The Market In Great Britain by R. E. Williams 54 The Market In Western Europe by John G. Vogeler Managing Editor & Art Director CLEVE MARIE BOUTELL 57 A Computer Survey of the Soviet Union by V. P. Capla Assistant Editor IRWIN SCHORR 60 The 17th Annual ACM Conference & Exhibit News Editor VALERIE ROCKMAEL Departments . Contributing Editor H. R. J. GROSCH 9 Important Dates in Datamation 10 Letters to the Editor Technical Consultant DON B. PRELL 17 Datamation in Business & Science Production Manager 23 The Editor's Readout MARILEE PITMAN 65 News Briefs in Datamation Circulation Mgr. ALGENE TRAINA 71 People in Datamation 75 New Products in Datamation Editorial Advisers 87 New Literature in Datamation DANIEL D. McCRACKEN 96 Datamation's Feature Index: January-June, 1962 ROBERT L. PATRICK 100 Advertisers' Index THIS ISSUE - 42,100 COPIES Eastern District RICHARD W. NIELSON (over 141 E. 44th St., New York 17, N.Y. MUrray Hill 7·5180 A colorful entre to the IFIP Congress, this DATAMATIElN® month's cover, designed by Art Director Cleve August Boutell, invites the reader to a comprehensive New England District Manager series of articles scanning the international WARREN A. TIBBETTS scene· and· including . ~ special preview of the 112 West Haven Rd., Manchester, N.H., NAtional 5·9498 Congress beginning on page 40. Midwest District Manager JOHN BRENNAN 201 N. Wells St., Chicago 6, III. Financial 6·1026 Circulation audited by Business Publications Audit Western District Manager & Vice President Member, National HAMILTON S. STYRON Business Publications 10373 W. PI co Blvd., Los Angeles 64, Cal. BRadshaw 2·0817 DATAMATION is published monthly on or about the tenth day of every month by F. D. Thompson Publica· tions, Inc., Frank D. Thompson, president. Executive Circulation and Advertising offices, 141 East 44th ifip St., New York 17, N.Y. (MUrray Hill 7·5180). Edi· congress '62 torial offices, 10373 West Pico Blvd., Los Angeles 64, o EDITORIAL OFFICES Calif. (BRadshaw 2·0817). Published at Chicago, "I. munich Accepted as controlled circulation at Columbus, O . germany . Form 3579 to be sent to F. D. Thompson Publications, 10373 W. PICO BLVD., august2Jlhruseptemberi Inc., 201 N. Wells St., Chicago 6, "I. Copyright 1962, F. D. Thompson Publications, Inc. LOS ANGELES 64, CALIF. Printed by Beslow AlSociates, Inc. August 1962 5 / / / / rl" o . ...THE PHILC0212 SYSTEM IS HERE NOW! [Q)~~ ~b\~[E~ ~ [Q) ~~ . ~ ~ ~ [E ~ [JJ t[E ~ ~~~ [Q)~[E~£¥~[Q)~ ~ ~~. ~~[Q)~[JJ~¥~[Q)~ ~ ~[E[E¥~ ~~[E~~ ~ @~~~~~ UD=aO~ LQ>[EIRHr©rPlG'v'J£G'-j~~ R On July 12th a Philco 212 ran this program* in 82 seconds. DIMENSION THETA (1200), KMAX = 1200 61 EMDT = EMD * TP 1 THETAP (1200), BEG (1200) STEP = .5 * 8.64 E4 BEG (J) = ALPHA/ PAUSE 11111 20 TlMD = o. 1 (EMO - EMDT) DO 11 K = 1, 1000 TIME = o. GO TO 10 8 = -1.818 DO 10 J = 1, KMAX 63 BEG (J) = o. EM 0 = .223 E-4 TP = TIME - TIMD TIMD = T2 - T1 ALPHA = 4;089 THETA (J) = ALPHA + 8 * TIME 10 TIME = TIME + STEP EMO = 1500. THETAP (J) = THETA (J) 11 CONTINuE T1 = o. IF (T1 -TIME) 60,61,61 PAUSE 17777 T2 = o.
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