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Computer Fundamentals - Engineering

Q1:

Which of the following storage and retrieval methods would be well suited to your processing requirements if you only need to retrieve records one at a time and there is no fixed pattern to the requests for data and records?

A indexed sectors

B sequential

C direct

D indexed direct

E None of the above

ANS:D - indexed direct

Sequential access : in which a data location is found by starting at one place and seeking through every successive location until the data is found.

Direct access : is to obtain a data from a storage device by going directly to where it is physically located on the device.