State which of the following are true and which are false. If false, explain why.

1) Searching all records in a random-access file to find a specific record is unnecessary.
2) Records in random-access files must be of uniform length.
3) Member functions seekp and seekg must seek relative to the beginning of a file.
4) Every Entity must have a unique name.

1) True.
2) False. Records in a random-access file normally are of uniform length.
3) False. It is possible to seek from the beginning of the file, from the end of the file and from the current position in the file.
4) True.