.../, . " : D R,T RMR TI '&IN i . f November / December to •• r~'-- 1 , } , . \ " \ \ • \ ~ \ f:i.\ page 7 SPEAKING OF SMALL COMPUTERS cJJ®D~u @®[K"X][P)(UJu[EOO @®~[f[EOO[E~@[E [])[E@ I ,I I J I • \ ,/ TRY THJIS TEST Stare at the TMI core in the center of the red area for 30 seconds. Then look at a blank wall. Your eyes will reproduce the T M I core on a blue background (if it's any other color, write Telemeter Magnetics). Our thinly disguised reason for presenting this optical tion of incoming raw materials to final testing of the phenomenon is to call your attention to the science of finished products. ferrite core manufacture as practiced at TMI. You can look to Telemeter Magnetics for top quality magnetic Remember that TMI makes a complete line of wired cores for any data storage application; for switching arrays, memory stacks, and complete memories. Look and other logic functions; and for special designs and to TMI as your dependable source for ferrite storage characteristics to your specifications. and logic elements ... memory planes ... memory stacks Quality is assured by our staff of quality control engi­ ... memories ... data systems. Wherever your plant is neers utilizing a million dollar investment in advanced located, TMI serves you. Your problem can be solved test and inspection equipment. Every step in the manu­ more quickly when you discuss it with a TMI applica­ facturing process is carefully controlled from inspec- tion engineer. "\\Trite or call ... ® TELEJY.I:ETER MAGNETICS Inc. COMPONENTS DIVISION P.O. Box 329, Culver City, California • Offices and plant: 2245 Pontius Avenue, Los Angeles 64, California pioneers in development and manuf'acture of' core memory products Circle 1 on Reader Service Card. TI COMPLEMENTARY COMPUTER TRANSISTORS! r----"1 I I I I I I I I IL ACTUAL SIZE I Now commercially available ... and requirements of International Business Machines ---~-1 backed by more than 10,000,000 hours of Corporation. Mechanized production equipment has recorded life test reliability data ... eight types of been built . .. quality assurance controls and tech­ performance-proved P-N-P and N-P-N: alloy-junction niques have been perfected . .. and are in full use now, germanium computer transistors! Take advantage of making these high-volume/high-reliability /low.-cost the high-reliabilityflow-cost benefits made possible by units a reality today. Check the detailed specifications manufacturing economies already realized in 1 V2 below and call your TI distributor or sales engineer years of high-volume production to the stringent for the low prices of these new computer transistors. I .... -------~-------------------~--- ... ------------------------ I I --- MAXIMUM RATINGS AT 25°C ELECTRICAL CHARACTERISTICS AT 25°C· I I T STG Po lEBO t I CBO t hrd hrd fd co t COB t I COMPLE· Emitter- Collector- Collector- I c IE S~orage Total Emitter Collector Current Current Alpha Output I Base Base Emitter Collector Emitter Temper- Device Reverse Reverse Transfer Transfer Cutoff Capacl- MENTARY Voltage Voltage Voltage Current Current ature Dissipation • Current Current Ratio Ratio Frequency tance I TI I VE=25v, Vc=25v, Ic =lOma, Ic =200ma, V CB =5v, V CB =5v, I COMPUTER Ic=O IE=O V CE =lv VCE =0.35v IE=-lma f=lmc ' TRANSISTORS I Min Max Min Max Min Max Min Max Min Max Min Max I "j~ "j~ I ~N1302 N-P-N 25 25 25 300 -300 6 6 20 10 3 20 I 2N1303 P-N-P -25 -30 -25 -300 300 ' -6 ~6 20 10 3 20 I I 2N1304 N-P-N 25 25 20 300 -300 6 6 40 200 15 5 20 I 2N1305 P-N-P -25 -30 -20 -300 300 -65 to 100 150 -6 -6 40 200 15 5' 20 I I 2N1306 N-P-N 25 25 15 300 -300 6 6 60 300 20 10 20 I 2N1307 P-N-P -25 -30 -15 -300 300 -6 -6 60 300 20 10 20 I I 2N1308 N-P-N 25 25 15 300 -300 6 6 80 20 15 20 I I 2N1309 P-N-P -25 -30 -15 -300 300 u ~. -6 -6 80 20 15 20 Units v v v rna rna °C rnw J.La J.La me J.LJ.Lf • i .. ~ I, * Derate at 2.5 mw/ o C Increase• In ambient temperature over 25 C. t Conditions listed apply to N-P-N. Negative values used for P-N-P. I ~-~~~-------~----------------------------------------- -------- germanium and silicon transistors INSTRUMENTS silicon diodes and rectifiers TEXAS~ '8~P solid tantalum .capacltors INCORPORATED SEMICONDUCTOR-COMPONENTS DIVISION precision carbon film resistors 13500 N. CENTRAL EXPRESSWAY . ~Istor silicon resistors Circle 2 on Reader Service Card. POST OFFICE BOX 312 • DALLAS. TEXAS · ~)])~~UfB "M11ilWA.·~ nm$lID{;Wrf(§l~~~~ 'iA~J!W_,~ . The Data-Star Model 59 Digital Tape Transport is ideally Precise tape handling insured by proportional reel drive suited for use in computer, instrumentation and control servo systems-no jerky step servos. Tension error sensing applications. It incorporates the features of the highly is accomplished by synchro transmitters - no unreliable reliable, military tape transports developed and proven by potentiometers or contact pile-ups. Field adjustments are Cook Electric Company during the past 12 years in the eliminated by building tolerances into a single rugged tape Atlas, Titan, Polaris, and other missile programs. deck casting. Endurance and quality are assured by strict These features include exclusive use of modern, ultra adherence to the exacting design and workmanship re­ reliable solid state circuitry - no gas or vacuum tubes. quirements of MIL-E-4158. TAPE SPEEDS TO 1SO IPS IN BOTH DIRECTIONS REWIND SPEEDS TO 400 IPS IN BOTH DIRECTIONS PACKING DENSITIES TO 600 NRZ BPI LESS THAN 3 MS STOP. START OPERATES FROM VOLT CONTROL PULSES OR LEVELS OF EITHER POLARITY FRONT PANEL ACCESS CHOICE OF NARTB, IBM, OR SPECIAL REELS ANY TAPE TO 1" CONDUCTIVE LEADER, LIGHT TRANSMISSIVE, OR LIGHT REFLECTIVE EUD OF TAPE SENSORS SOLID STATE READ/WRITE AMPLIFIERS METAL FACED READ/WRITE MAGNETIC HEADS AVAILABLE AS HIGH SPEED PHOTOELECTRIC READER. Address your inquiries to DATA-STOR, a division of Cook Electric Company 8100 Monticello 0 Skokie, Illinois --_._---_._----......._ ..•. _----_.. _._---------- --... _---. ._- ..i __ _._---------._--.. __ ... -------_.------- ----.------------ -------.--- ------------- the automatic handling of EASTERN JOINT COMPUTER CONFERENCE information 29 A Welcome, Frank E. Heart, Chairman 31 The Conference, December 1, 2 and 3,1959 volume 5, number 32 Exhibit Areas 33 Exhibitors, Products 6 35 Technical Program Introduction 36 The Program 45 Wednesday Night Panel Sessions FRANK D. THOMPSON Publisher 46 Field Trips, Award, Speaker GARDNER F. LANDON Vice President 48 Committeemen SANTO A. LANZARonA Editor ARTICLES ETIENNE J. GUERIN European Editor 7 Speaking of Small Computers; LGP-30, G-15, Recomp, DR. HERB GROSCH Contributing Ed. 1620 Placed in Line-up BEnE L. HOWE Production Manager 13 STEPS, a Management Game for Programming Supervisors 19 Here comes the 1604; Control Data Offers New MARTHA KNOWLES Circulation Mgr. Solid State Machine LEO MONAHAN Art Director 21 IFIPS Statutes to be Considered; Member Societies Must Ratify by January 1, 1960 26 Digital Equipment's Special Purpose PDP DANIEL D. McCRACKEN Has Applications C. L. W AN LASS Editorial Advisers 55 The Role of Fiber Optics in: Data Recording 62 Non-Linear Producing OTRAC RICHARD W. NIELSON Sales Mgr. 75 St. Paul Firm Announces Computer Displays WARREN A. TIBBETTS New England District Manager DEPARTMENTS 434 Webster St., Manchester 4, N. H. NAtional 5-9498 10 Datamation in Business and Science RICHARD W. NIELSON 22 People Moving Up in Datamation Eastern District Manager 141 E. 44th St., New York 17, N. Y. 24 Important Dates in Datamation MUrray Hill 7-5180 51 Plus and Minus, by Herb Grosch 52 Datamation News Briefs ALBERT PUDV AN Cleveland District Manager 57 .New Datamation Literature 3537 Lee Road, Shaker Heights 20, Ohio WAshington 1-9370 63 Datamation Abroad 65 New Products in Datamation GILBERT THAYER 76 Advertisers' Index Midwest District Manager 201 N. Wells St., Chicago 6, III. EDITORIAL OFFICES - 10373 W. PICO BLVD., LOS ANGELES 64, CALIF. Financial 6-1026 systems and systems; and _other general arti­ HAMILTON S. STYRON THIS ISSUE-27,900 COPIES cles of interest to those in the data processing DATAMATION is circulated without charge by industry. Material submitted should be accom­ Western District Manager naine and title to the manufacturers and users panied by pictures and illustrations when pos­ 10373 W. Pi co Blvd., Los Angeles 64, Cal. of automatic, information-handling equipment in sible. 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