What hardware is needed in the banking?

What hardware is needed in the banking?
Computer hardware is necessary for modern day banking and for usein other fields of finance. The components of the computers interms of its hardware are basically the same for all businesses.The software, however, has certain requirements. Such as:

A. The ability to determine and compound interest rates;

B. The ability to assist & compute treasury bond purchases andsales;

C. The ability to make financial related forecasts of the businessprospects of banking customers; and

D. The ability to create bond trading systems.