Name ‘Mainframe’ means that a frame for holding a number of processors and main memory. A mainframe computer is used to process the large and huge amount of data in petabytes. It acts as a central processing unit for many workstations and terminals connected with it. A mainframe computer is used in the large organization.Ī mainframe computer is a combination of memory (RAM) and many processors. A mainframe computer is more powerful than Mini and Microcomputer, but less powerful than Supercomputer. A mainframe computer is the fastest computer after supercomputer to execute complex and lengthy calculations. According to the usage of computers in today’s world, we can categories computer in Supercomputer, Mainframe Computer, and Mini Computer and microcomputer categories. So to perform all this task, a powerful computer require on the server side, which processes the instructions and provides the output in seconds. In today’s world where all the business, transactions, communications are real time. A mainframe also costs big bucks, from half a million or so on up. Theoretically, it works a lot faster than the fastest personal computer. A mainframe has an enormous storage space on disk and tape (like thousands of kilobytes, measured in gigabytes), and an enormous amount of main memory. While “large” can still mean as big as a room, most of today’s “mainframes” are much smaller, although they’re still quite a bit bigger than a personal computer or even a minicomputer. Now mainframe refers to the kind of large computer that runs an entire corporation. In those days, all computers were big-like the size of a garage and the frame for the CPU might have been as big as a walk-in closet. The Definition and meaning of mainframe has shifted from its original reference to the main housing, or frame, that contained the central processing unit ( CPU) of the computer.
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