Question Detail

Dynamic allocation of storage areas with VSAM files is accomplished by

  • hashing
  • control splits
  • over flow areas
  • relative recording
Similar Questions :

1. Which technique is used by operating systems to execute several programs concurrently by switching back and forth

  • Partitioning
  • Multitasking
  • Windowing
  • Paging

2. Belady anamoly occurs in

  • Optimal replacement
  • FIFO
  • LRU
  • both in FIFO and LRU

3. Fragmentation of a file system

  • occurs only is file is not used properly
  • can always be prevented
  • happens in all file systems
  • can be removed by compaction

4. The LRU algorithm

  • pages out pages that have been used recently
  • pages out pages that have not been used recently
  • pages out pages that have been least used recently
  • pages out the first page in a given area

5. Four necessary conditions for deadlock are non pre-emption, circular wait, hold and wait and

  • mutual exclusion
  • race condition
  • buffer overflow
  • None of above
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