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341 |
Bookkeeping and Calculating Machine Operators | Workers in this unit group operate bookkeeping machines to make records of business transactions and make arithmetical calculations on keyboard calculating machines. Automatic data-processing machine operators are classified in unit group 3-42. |
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342 |
Automatic Data-Processing Machine Operators | Workers in this unit group operate automatic machines which classify, sort, calculate, summarise and record scientific, technical, business or other data. Their functions include: operating electronic computers, electrical or electro-mechanical punched-card sorting, tabulating and related machines; operating peripheral units of data-processing equipment, such as card-to-tape convertors or high-speed printers. |
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