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Consider a file currently consisting of 100 blocks. Assume that the file control block is already in memory. 

The number of disk I/O operations required for the contiguous allocation case where a block is removed from the middle(51st block) is ________

Assumptions :  

  • Assume that there is no room to grow in the beginning, but there is room to grow in the end. 
  • Assume that the block information to be added is stored in memory.
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