At Metropolitan State College
At Metropolitan State College |
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WORK HISTORY |
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LEFT BECAUSE
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Superior written offer of employment from Colorado State University
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Your applicant performed routine programming assignments. Such assignments included biweekly payrolls, serving as computer operator, grade mailings, student fee and tuition accounting, billing, transcript production, invoice and purchase order tracking and accounts payable. He also conducted computer labs for business and science students.
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Developed, wrote and implemented a machine language code program that calculated relocatable addresses for compiled programs for the Business Department. Unlike the IBM line of mainframes, the Control Data Corporation series 6400 assembler worked with hard-coded (i. e., real instead of virtual) memory addresses. So, a programmer knew there was a good chance of a memory overflow every time he compiled. Thus, a great deal of time was spent redesigning the program into smaller programs that could be executed one at a time in sequence. This, in turn, was extremely tedious and time-consuming for the computer operator. Those were the days when data and programs were punched onto eighty column cards. Frequently the same data cards had to be re-read seven and more times for each execution of a task like payroll because the payroll “system” itself was comprised of seven and more programs — 
so there was a natural need to replace frequently the worn cards, to boot. The machine code program the applicant wrote made real “paging” possible for the first time on the CDC 6400, a computer for which paging was supposed to be impossible!!