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    75 IT History 

 

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Computer History:

Jyotindra Zaveri  - pioneer in the Information Technology.  IT is like almanac. 1975 - 1977.

  IBM 1401 Mainframe computer system

Mainframe systems of 1970 era:  (from left) the system's IBM 1402 Card-Read Punch, 1401 Processing Unit, 1403 Printer, and four 729 Magnetic Tape Units.

  • Similar computers were used in Tata Motors, Dr. Beck & co., LIC, Indian Railways, and so on.  Mr. Jyotindra Zaveri was trained to service these computer hardware.

  IBM 1620 Mainframe computer system

  • Mainframe systems of 1970 era:  This image shows (from left) the IBM 1622 Card-Read Punch, 1623 Storage Unit (at the rear) and the 1620 Central Processing Unit (in front), which contained the console, arithmetic and logical unit, and core storage.  Similar computer was used in IITM (Indian Institute of Tropical Meteorology).

  ICL 1904 mainframe computer system - 1980

 ICL 1901 and ICl 1904 S mainframe computer system.  This was installed in the Regional Computer Center at University of Pune.  First data processing company in Pune, to offer payroll and account processing.

  Leipzig, Germany - Jyotindra Zaveri with Facther

There was an institute, called Robotron, where they were training computer engineers,  maintenance of IBM 360 mainframe computer system with large tape drives, and line printers.  Few engineers from India were selected for the main frame service training, including me.  We were actually learning how computer hardware work and how to do troubleshooting of the electronic circuits.  It was third generation machine.  So I became qualified computer engineer to service computer systems.  Earlier I was trained on the IBM 1401 mainframe computers, that was using punch cards.

  IBM leaves India 04 March 1976 - News in Indian Express, India

IBM leaves India. Department of Electronics moots CMC.   04 March 1976 - News in Indian Express, India.  CMC takes over IBM plant (Safed pool, Bombay, India) and IDM took over the card plant.  Mr. Zaveri then joined CMC and was also trained on ICL mainframe computers.


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