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Gaydos, Irvin A. – 1973
This report contains data regarding the status of automatic data processing services in New Jersey's 581 operating public school districts during the spring of 1973. The survey was conducted through the use of a questionnaire that was developed in cooperation with the New Jersey Association for Educational Data Systems. It presents data in a…
Descriptors: Computer Oriented Programs, Computer Storage Devices, Computers, Data Processing
Hoskin, Richard K. – 1972
Engineering procedures used in the design and construction of a high-speed, multichannel magnetic tape duplicator are described. The completed duplicator, a common mandrel duplicator, in which a single drive motor turns a common capstan shaft at high speeds and moves both master and copy tapes simultaneously, performs satisfactorily yet suggests…
Descriptors: Automation, Computer Science, Data Processing, Design Requirements