ISRO-2013-27

Question

The physical location of a record determined by a formula that transforms a file key into a record location is

• A. Hashed file
• B. $B$-Tree file
• C. Indexed file
• D. Sequential file

Answer 1

option a ) Hashed file is correct

For the rest you dont use any formula to determine physical location of records

Answer 2

The physical location of a record determined by a formula that transforms a file key into a record location is

Lol sounds so fancy.
The index (location) of where to put the record (or data) is determined by a formula (like xmod10) in the Hash data structure.

So, Option A.