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Unisys Operating Systems
Unisys Corporation is a global technology solutions company founded in 1986 and headquartered in Blue Bell, Pennsylvania. The company provides cloud, AI, digital workplace, logistics, and enterprise computing services. History Founding Unisys’ history dates back to 1873 with E. Remington & Sons and the introduction of the first commercially viable typewriter to use the QWERTY keyboard layout. Over a hundred years later, the company became known as Unisys in 1986 through the merger of mainframe corporations Sperry and Burroughs, with Burroughs buying Sperry for $4.8 billion. The new company's name was chosen from over 31,000 submissions in an internal competition when Christian Machen submitted the word "Unisys", which was composed of parts of the words "united", "information", and "systems". The merger was the largest in the computer industry at the time and made Unisys the second-largest computer company with annual revenue of $10.5 billion. W. Michael Blumenthal be ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Blue Bell, Pennsylvania
Blue Bell is a census-designated place (CDP) in Whitpain Township, Pennsylvania, United States. As of the 2020 census, its population was 6,506. Blue Bell was originally known as Pigeontown, after the large flocks of the now-extinct passenger pigeons that once gathered there. The town was renamed in 1840 after the historically prominent Blue Bell Inn. Blue Bell is known for its large executive-style mansions, major business parks, community shopping facilities, and small businesses. It is one of the most affluent areas outside the Main Line communities in the Philadelphia area. In July 2005, ''Money'' magazine ranked Blue Bell 14th on its list of the "100 Best Places to Live in the United States". History Whitpain Public School was added to the National Register of Historic Places in 2006. The “Dutchman” is a well-known historical landmark within the town of Blue Bell. Geography Blue Bell is located at (40.144759, -75.268752). According to the United States Census B ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Artificial Intelligence
Artificial intelligence (AI) is the capability of computer, computational systems to perform tasks typically associated with human intelligence, such as learning, reasoning, problem-solving, perception, and decision-making. It is a field of research in computer science that develops and studies methods and software that enable machines to machine perception, perceive their environment and use machine learning, learning and intelligence to take actions that maximize their chances of achieving defined goals. High-profile applications of AI include advanced web search engines (e.g., Google Search); recommendation systems (used by YouTube, Amazon (company), Amazon, and Netflix); virtual assistants (e.g., Google Assistant, Siri, and Amazon Alexa, Alexa); autonomous vehicles (e.g., Waymo); Generative artificial intelligence, generative and Computational creativity, creative tools (e.g., ChatGPT and AI art); and Superintelligence, superhuman play and analysis in strategy games (e.g., ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Medicare (United States)
Medicare is a federal health insurance program in the United States for people age 65 or older and younger people with disabilities, including those with End Stage Renal Disease Program, end stage renal disease and amyotrophic lateral sclerosis (ALS or Lou Gehrig's disease). It started in 1965 under the Social Security Administration and is now administered by the Centers for Medicare and Medicaid Services (CMS). Medicare is divided into four parts: A, B, C and D. Part A covers hospital, skilled nursing, and hospice services. Part B covers outpatient services. Part D covers self-administered prescription drugs. Part C is an alternative that allows patients to choose private plans with different benefit structures that provide the same services as Parts A and B, usually with additional benefits. In 2022, Medicare provided health insurance for 65.0 million individuals—more than 57 million people aged 65 and older and about 8 million younger people. According to annual Medicare ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
S&P 500
The Standard and Poor's 500, or simply the S&P 500, is a stock market index tracking the stock performance of 500 leading companies listed on stock exchanges in the United States. It is one of the most commonly followed equity indices and includes approximately 80% of the total market capitalization of U.S. public companies, with an aggregate market cap of more than $49.8 trillion as of March 31, 2025. The S&P 500 index is a Free-float weighted/ capitalization-weighted index. As of April 2025, the ten largest companies on the list of S&P 500 companies accounted for approximately 35% of the market capitalization of the index and were, in order of highest to lowest weighting: Apple (6.4%), Microsoft (6.2%), Nvidia (6.0%), Amazon.com (3.8%), Alphabet (3.6%, including both class A & C shares), Meta Platforms (2.7%), Berkshire Hathaway (2.0%), Broadcom (1.8%), Tesla (1.6%), and JPMorgan Chase (1.4%). The components that have increased their dividends in 25 consecutive ye ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Arthur Andersen
Arthur Andersen LLP was an American accounting firm based in Chicago that provided auditing, tax advising, consulting and other professional services to large corporations. By 2001, it had become one of the world's largest multinational corporations and was one of the "Big Five" accounting firms (along with Deloitte, Ernst & Young, KPMG and PricewaterhouseCoopers). The firm collapsed by mid-2002, as details of its questionable accounting practices for energy company Enron and telecommunications company WorldCom were revealed amid the two high-profile bankruptcies. The scandals were a factor in the enactment of the Sarbanes–Oxley Act of 2002. History Founding Born on May 30, 1885, in Plano, Illinois, and orphaned at the age of 16, Arthur E. Andersen began working as a mail boy by day and attended school at night, eventually being hired as the assistant to the comptroller of Allis-Chalmers in Chicago. In 1908, after attending courses at night while working f ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Honeywell
Honeywell International Inc. is an American publicly traded, multinational conglomerate corporation headquartered in Charlotte, North Carolina. It primarily operates in four areas of business: aerospace, building automation, industrial automation, and energy and sustainability solutions (ESS). Honeywell also owns and operates Sandia National Laboratories under contract with the U.S. Department of Energy. Honeywell is a Fortune 500 company, ranked 115th in 2023. In 2024, the corporation had a global workforce of approximately 102,000 employees. As of 2023, the current chairman and chief executive officer is Vimal Kapur. The corporation's name, Honeywell International Inc., is a product of the merger of Honeywell Inc. and AlliedSignal in 1999. The corporation headquarters were consolidated with AlliedSignal's headquarters in Morristown, New Jersey. The combined company chose the name "Honeywell" because of the considerable brand recognition. Honeywell was a component of the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Memorex
Memorex Corp. began as a magnetic tape, computer tape producer and expanded to become both a consumer media supplier and a major IBM plug compatible peripheral supplier. It was broken up and ceased to exist after 1996 other than as a consumer electronics brand specializing in disk recordable media for Compact Disc, CD and DVD drives, flash memory, computer accessories and other electronics. History and evolution Established in 1961 in Silicon Valley, Memorex started by selling computer tapes, then added other media such as disk packs. The company then expanded into disk drives and other peripheral equipment for IBM Mainframe computer, mainframes. During the 1970s and into the early 1980s, Memorex was worldwide one of the largest independent suppliers of hard disk drive, disk drives and communications controllers to users of IBM-compatible mainframes, as well as media for computer uses and consumers. The company's name is a portmanteau of "memory excellence". Memorex entered ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Convergent Technologies Operating System
The Convergent Technologies Operating System, also known variously as CTOS, BTOS and STARSYS, is a discontinued modular, message-passing, multiprocess-based operating system. Overview CTOS had many innovative features for its time. System access was controlled with a user password and volume or disk passwords. Each volume and directory were referenced with delimiters to identify them, and could be followed with a file name, depending on the operation, i.e. olumeNameDirectoryName>FileName. It was possible to custom-link the operating system to add or delete features. CTOS supported a transparent peer-to-peer network carried over serial RS-422 cables (daisy-chain topology) and in later versions carried over twisted pair ( star topology) with RS-422 adapters using CTOS Cluster Hub-R12 designed by Paul Jackson Ph.D. of SumNet Pty Limited in Australia. Each workgroup (called a "cluster") was connected to a server (called a "master"). The workstations, normally diskless, were b ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Convergent Technologies
Convergent Technologies, Inc., was an American computer company formed by a small group of people who left Intel Corporation and Xerox PARC in 1979. Among the founders were CEO Allen Michels, VP Engineering Bob Garrow, head of marketing Kal Hubler, and operating system architect Ben Wegbreit. Convergent was primarily an OEM vendor with their computers resold by other manufacturers such as ADP, AT&T, Burroughs/Unisys, Four-Phase Systems, Gould Electronics, Mohawk Data Sciences, NCR, and Prime Computer. The company was purchased by Unisys in 1988. History The Distributed Systems division was responsible for the IWS, AWS, and NGEN. In 1982, Convergent formed the Data Systems division to focus on a multi-processor computer known as the MegaFrame, "the first system upgradable from super-minicomputer to mainframe". The division was headed by Ben Wegbreit and also responsible for the MiniFrame. Steve Blank, in charge of division marketing, went on to found several Silicon Valley ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Windows Server
Windows Server (formerly Windows NT Server) is a brand name for Server (computing), server-oriented releases of the Windows NT operating system (OS) that have been developed by Microsoft since 1993. The first release under this brand name is Windows NT 3.1 Advanced Server, an edition of Windows NT 3.1. With the release of Windows Server 2003, Microsoft started releasing new versions under the name Windows Server. The latest release of Windows NT under the Windows Server brand is Windows Server 2025. Microsoft's history of developing operating systems for servers goes back to Windows NT 3.1 Advanced Server. Windows 2000 Server is the first release to include Active Directory, Domain Name System, DNS Server, Dynamic Host Configuration Protocol, DHCP Server, and Group Policy. History Windows NT Server 3.x Windows NT 3.1 Advanced Server was released on July 27, 1993 as an edition of Windows NT 3.1, an operating system aimed towards business and server use. As with its Wo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
32-bit
In computer architecture, 32-bit computing refers to computer systems with a processor, memory, and other major system components that operate on data in a maximum of 32- bit units. Compared to smaller bit widths, 32-bit computers can perform large calculations more efficiently and process more data per clock cycle. Typical 32-bit personal computers also have a 32-bit address bus, permitting up to 4 GiB of RAM to be accessed, far more than previous generations of system architecture allowed. 32-bit designs have been used since the earliest days of electronic computing, in experimental systems and then in large mainframe and minicomputer systems. The first hybrid 16/32-bit microprocessor, the Motorola 68000, was introduced in the late 1970s and used in systems such as the original Apple Macintosh. Fully 32-bit microprocessors such as the HP FOCUS, Motorola 68020 and Intel 80386 were launched in the early to mid 1980s and became dominant by the early 1990s. This gener ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mainframe Computer
A mainframe computer, informally called a mainframe or big iron, is a computer used primarily by large organizations for critical applications like bulk data processing for tasks such as censuses, industry and consumer statistics, enterprise resource planning, and large-scale transaction processing. A mainframe computer is large but not as large as a supercomputer and has more processing power than some other classes of computers, such as minicomputers, server (computing), servers, workstations, and personal computers. Most large-scale computer-system architectures were established in the 1960s, but they continue to evolve. Mainframe computers are often used as servers. The term ''mainframe'' was derived from the large cabinet, called a ''main frame'', that housed the central processing unit and main computer memory, memory of early computers. Later, the term ''mainframe'' was used to distinguish high-end commercial computers from less powerful machines. Design Modern mainfr ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
