Very large computers with multiple CPUs and parallel processing features, are called super computers. Capable of executing multimega instructions per second. Application areas are: weather forecasting, space programs, defence needs, research & development etc.
Whereas mainframe computers are large and costly computers characterized by large size words and large capacity. Application areas are scientific and business applications of large dimentions. Because of cost factor, these are affordable only by big business houses, government and scientific bodies. These can accommodate thousand of users simultaneously.
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