Since it’s more cost efficient, it’s better to store more data in the secondary storage. Yes true!
I would say it has to be b but its what the correct answer is its up to you!
I hoped this helped you out!
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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:
The answer & explanation for this question is given in the attachment below.