Basic Operating System MCQ
Basic Operating System MCQ
561. An unpaged cache associates disk domains with the address of the read and continues for a specific length. themajor disadvantage of unpaged cache is that
- It allows cache domain to contain redundant data
- It does not allow writes to be cached
- It access time is greater than that of paged caching
- read ahead cache domain bocks are necessarily fixed in size.
562. UNIX recognizes following I/O devices
- Disk and Tape drives
- Terminals
- Communication lines
- All the above.
563. The following part of a d atabase that holds only one type of information
- Report
- Query
- Record
- Field