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The GM-NAA I/O input/output system of General Motors and North American Aviation was the first operating system for the IBM 704 computer. [1] [2] It was created in 1956 by Robert L. Patrick of General Motors Research and Owen Mock of North American Aviation. [1] It was based on a system monitor created in 1955 by programmers of General Motors ...
Precision marketing is a marketing technique that suggests successful marketing is to retain, cross-sell, and upsell existing customers. [1] Precision marketing emphasizes relevance as part of the technique. [2] To achieve Precision Marketing, marketers solicit personal preferences directly from recipients.
The history of the personal computer as a mass-market consumer electronic device began with the microcomputer revolution of the 1970s. A personal computer is one intended for interactive individual use, as opposed to a mainframe computer where the end user's requests are filtered through operating staff, or a time-sharing system in which one large processor is shared by many individuals.
Edmund Jerome McCarthy (February 20, 1928 – December 3, 2015) was an American marketing professor and author. He proposed the concept of the 4 Ps marketing mix in his 1960 book Basic Marketing: A Managerial Approach, which has been one of the top textbooks in university marketing courses since its publication.
A human computer, with microscope and calculator, 1952. It was not until the mid-20th century that the word acquired its modern definition; according to the Oxford English Dictionary, the first known use of the word computer was in a different sense, in a 1613 book called The Yong Mans Gleanings by the English writer Richard Brathwait: "I haue [] read the truest computer of Times, and the best ...
An information system (IS) is a formal, sociotechnical, organizational system designed to collect, process, store, and distribute information. [1] From a sociotechnical perspective, information systems comprise four components: task, people, structure (or roles), and technology. [2]
These days, millions of older Americans collect a benefit from Social Security each month. And for many retirees, that benefit is the only income they have to live on.
A number of different types of 4GLs exist: Table-driven (codeless) programming, usually running with a runtime framework and libraries. Instead of using code, the developer defines their logic by selecting an operation in a pre-defined list of memory or data table manipulation commands.