9/27/2023 0 Comments Zos explorer atlas![]() ![]() Note: Jack Kilby created the first integrated circuit at Texas Instruments in 1958, using a different process based on silver.īell Labs’ Dennis Ritchie designed the C programming language to use with the then-new Unix operating system. ![]() The original Fairchild CPU handled eight-bit arithmetic. The System/360 architecture remains in use today as the backbone for current IBM mainframes.įairchild Semiconductor invented the first MOS (metal-oxide semiconductor), the technology still used for computer chips today in the form known as CMOS (complementary metal-oxide semicondctor). It cost IBM $5 billion to develop the family of six mutually compatible computers and 40 peripherals that could work together, but within a few years, it was selling more than 10,000 mainframe systems a year. The fundamental OLTP architecture is in use today in everything from e-commerce to, well, airline reservations. It linked 2,000 terminals (via telephone) to a pair of IBM 5070 computers to handle reservations processing in just seconds. IBM invented OLTP (online transaction processing) when it created the Sabre airline reservation system for American Airlines. ![]() Today, it’s been extended from 128 characters to 256 to accommodate accented letters, and is being replaced by the multilingual Unicode standard (created in 1988), which still uses the ASCII codes at its core. The American Standard Code for Information Interchange, which defines how English-language letters, numerals, and symbols are represented by computers, was formalized in 1963. This enabled the time-sharing concept to be realized. Developed by a government/industry consortium, the Common Business-Oriented Language became the standard for financial and other enterprise software systems, and is still in use today in legacy systems that power many government, financial, industrial, and corporate systems.Ī team of researchers at the University of Manchester working on the Atlas project invented a way for computers to recycle memory space as they switched programs and users. ![]()
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