Show understanding of the methods of file

organisation and select an appropriate method of

file organisation and file access for a given problem

Show understanding of methods of file access 

Show understanding of hashing algorithms 

Including serial, sequential (using a key field),

random (using a record key)

Including

Sequential access for serial and sequential files

Direct access for sequential and random files

Describe and use different hashing algorithms to

read from and write data to a random / sequential file