Basic Operating System MCQ
Basic Operating System MCQ
521. Shared sub-directories and files are example of
- Cyclic graph directory
- tree structured direction
- one level directory
- none of these
522. The lowest level of I/O control consists of
- device drivers
- interrupt handlers
- both A and B above
- none of the above
523. Which type of design problem in file system
- how the file system should look to the user
- algorithm and data structure must be created to map the logical file system onto the secondary storage device
- Both A and B above
- None of the above
524. Of the following which is the methods for allocating disks
- Contiguous
- Linked
- Indexed
- All o the above
525. External fragmentation solved by whichallocation ?
- Contiguous allocation
- linked allocation
- index allocation
- both B and C
526. Whcih O/I are best method for allocating ?
- Contiguous
- Linked
- Index
- All of the above
527. Allocate the first hole that is big enouggh is called
- first fit
- best fit
- worst fit
- all of the above
528. Allocate the smallest hole that. is big enough is called
- first fit
- best fit
- worst fit
- all of the above
529. The most efficient data set organization is
- a sequential file
- an ISAM file
- variable depending upon the usage of the data set
- a partitioned data set
530. A partitioned data set is most used for
- storing program data
- storing ISAM files
- a program or source library
- storing backup information