A Mainframe is a large, powerful and expensive computer used mainly in companies that need to process large amounts of data or support large numbers of users.
In Spanish they are called: central computer or macrocomputer.
A mainframe can run for years without problems or interruptions; it can even be repaired while it works.
It can also simulate the operation of hundreds of personal computers (virtual terminators) within a company.
A mainframe is not the same as a supercomputer.
Difference between mainframes/macrocomputers and supercomputers
The main difference between mainframes and supercomputers is their typical application domain – mainframes excel at reliable volume computing in domains that require integer operations (eg financial, indexing, comparisons, etc.).
Supercomputers are designed to excel in their ability to perform floating-point operations: addition, subtraction, and multiplication with enough digits of precision to model continuous phenomena such as the weather.
Despite the continual changes in information technology, mainframe computers are considered by many to be the most stable, secure, and compatible of all computing platforms. The latest models can handle the most advanced and demanding customer workloads, yet still run applications that were written decades earlier.
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