collectively referred to as unit record equipment, electric accounting machines (EAM) or tabulating machines. Unit record machines came to be as ubiquitous...

and inventory control. It spawned a class of machines, known as unit record equipment, and the data processing industry. The term "Super Computing" was...

circuit. Control panels are sometimes used to direct the operation of unit record equipment, cipher machines, and early computers. The array of holes is often...

smaller organizations that still used IBM 1400 series computers or unit record equipment. The first member of what IBM refers to as their "midrange" line...

entry clerks. Punched card Punched card input/output Hollerith code Unit record equipment Computer programming in the punched card era List of IBM products...

unit record equipment such as a punched card device. A record on a DASD can be accessed without having to read through intervening records from the current...

the highly successful IBM 1400 series, it was aimed at replacing unit record equipment for processing data stored on punched cards and at providing peripheral...

activity in most facilities that processed data on punched cards using unit record equipment. The work flow of many processes required decks of cards to be put...

machine down to its base and rebuilding it, an eight-hour job. Unit record equipment IBM 550 Numeric Interpreter "IBM Card Interpreters". IBM 557 Alphabetic...

a firm which manufactured and sold Hollerith unit record equipment and other data-processing equipment. During World War II, BTM constructed some 200...