Operating System Basics Questions and Answers

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Q521
Shared sub-directories and files are example of
  • A Cyclic graph directory
  • B tree structured direction
  • C one level directory
  • D none of these
Answer: Option A
Q522
The lowest level of I/O control consists of
  • A device drivers
  • B interrupt handlers
  • C both A and B above
  • D none of the above
Answer: Option C
Q523
Which type of design problem in file system
  • A how the file system should look to the user
  • B algorithm and data structure must be created to map the logical file system onto the secondary storage device
  • C Both A and B above
  • D None of the above
Answer: Option C
Q524
Of the following which is the methods for allocating disks
  • A Contiguous
  • B Linked
  • C Indexed
  • D All o the above
Answer: Option B
Q525
External fragmentation solved by whichallocation ?
  • A Contiguous allocation
  • B linked allocation
  • C index allocation
  • D both B and C
Answer: Option D
Q526
Whcih O/I are best method for allocating ?
  • A Contiguous
  • B Linked
  • C Index
  • D All of the above
Answer: Option B
Q527
Allocate the first hole that is big enouggh is called
  • A first fit
  • B best fit
  • C worst fit
  • D all of the above
Answer: Option A
Q528
Allocate the smallest hole that. is big enough is called
  • A first fit
  • B best fit
  • C worst fit
  • D all of the above
Answer: Option B
Q529
The most efficient data set organization is
  • A a sequential file
  • B an ISAM file
  • C variable depending upon the usage of the data set
  • D a partitioned data set
Answer: Option C
Q530
A partitioned data set is most used for
  • A storing program data
  • B storing ISAM files
  • C a program or source library
  • D storing backup information
Answer: Option C

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