System Software and Operating System - File and Input/Output System
44. The volatility of a file refers to
- A
the number of records added or deleted from a file composed to the original number of records in that file
- B
efficiency with which non-sequential files are processed
- C
the extent where the records of the file are contiguous and in proximity to others
- D
percentage of records that has changed in a given time period.
45. Number of minimal set of required file operations are
- Option : D
- Explanation : Six basic file operations.
Creating a file.
Writing a file.
Reading a file.
Repositioning within a file.
Deleting a file.
Truncating a file.
