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Question: Explain the process of using a temporary file to modify a record in a sequential access file. Answer: The process involves the following steps: 1. Open the source and temporary files. 2. Read records from the source file until the desired record is found. 3. Compare the read record with the target record and write any non-target records to the temporary file. 4. Modify the desired record. 5. Write the modified record to the temporary file. 6. Continue reading and writing records until the end of the source file. 7. Close both the source and temporary files. 8. Rename the temporary file to replace the original file and delete the original file if necessary. 9. Reopen the modified file to access the updated records.