answer:
Mainframe computers are used by large companies and organisations to perform critical tasks that involve bulk data processing like transaction processing, census information, statistical data and so on. They consist of extensive input and output facilities, are very stable and dependable and handle millions of transactions every day
Explanation:
You explain your situation, they send you a new computer, then mail to them the broken computer and later pay a $200-350 dollar fee. I think it depends on how much damage you made to it.
It is the 'backstage' in which you can <span>save, select a template, change document properties, and close or exit excel</span>
