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What is mainframe computer

 Introduction

 Main frames are a kind of computer that generally are known for his or her large size, amount of storage, processing power and high level of reliability. they're primarily employed by large organizations for mission-critical applications requiring high volumes of knowledge processing. Generally, there are a couple of characteristics of mainframes that are common among all mainframe vendors: Nearly all mainframes have the power to run multiple operating systems. Mainframes can add or hot swap capacity without disruption. Mainframes are designed to handle very high volume input and output and emphasize throughput computing. One mainframe can replace dozens or may be many smaller servers.

    A mainframe, informally called a mainframe or big iron, may be a computer used primarily by large organizations for critical applications, bulk processing . A mainframe is larger and has more processing power than other classes of computers, like mini computers, servers, workstations, and private computers. Most large-scale architectures were established within the 1960, but they still evolve. mainframe computers are often used as server. The term mainframe derived from the massive cabinet, called a main frame, that houses the central processing unit and main memory of early computers. Later, the term mainframe was wont to distinguish high-end commercial computers from less powerful machines.

    





The main frames first appeared with in the early 1940. The foremost popular vendors included IBM, Hitachi and Amdahl, Some recently considered mainframes as an obsolete  technology with no real remaining use. Yet today, as in every decade since its inception, mainframe Computers now play a central role within the daily operations of the many of the world's largest fortune 1000 companies. Though Though Though pother sort of computing are used extensively in various business capacities, the mainframe occupies a coveted place in today's e-business environment. In banking, finance health carom insurance public utilities, Government, and a number of other public and personal enterprises, the mainframe continues to make the inspiration of recent business.

The main difference between mainframes and supercomputer and supercomputer is their typical application domain mainframes excel in reliable volume computing in domain requiring integer operations (e:g financial, indexing, comparisons ,etc). Supercomputer are design to excel in their ability to perform floating point operations- addition, subtraction, and multiplication with enough digits of precision to model continues phenomena like weather, Despite the continual change in IT, mainframe computers considered by many to be the foremost stable, secure and compatible of all computing platforms. the newest model can handle the foremost advanced and demanding customer workloads, yet still run applications that were written in earlier decades. For those that think there's no. use for the big iron now, they might rally be surprised. The reality is that we are all mainframe  users in a method or another. 

 

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