Answer:
A Mainframe computer, informally called an mainframe or big iron, is a computer used primarily by large organizations for critical applications, bulk data processing such as the census and industry and consumer statistics.
Answer:
I mean I need points but I'm not sure my advice is to look it up or look on y0utube : )
Explanation:
Computer has become very important nowadays because it is very much accurate, fast and can accomplish many tasks easily. Otherwise to complete those tasks manually much more time is required. It can do very big calculations in just a fraction of a second. Moreover it can store huge amount of data in it.
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