Computer Fundamentals - Engineering

Q1:

A large computer designed to handle complex scientific calculations

A may use only a firmed word-length storage approach

B will likely require a character addressable storage unit

C must use fixed length words of four character each

D will not use numbered address locations

E None of the above

ANS:A - may use only a firmed word-length storage approach

Why a large computer which is used for complex scientific calculations ------ > use only a firmed word-length storage approach?

Not clear to me. Please describe it.