Which types of computers are used by large businesses

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:

well you could find somebody who doesn't want theirs and ask for it or possibly trick a dealer into giving it to you for free.

answer7 pin connector;