Multiple choice

Calculate the total size of external fragmentation in first fit algorithm.

 Consider a partitioned memory of sizes 200 KB, 400 KB, 60 KB, 500 KB and 350 KB and processes of 268 KB, 125 KB, 340 KB, 110 KB and 58 KB arrive in order.

  1. 609 KB

  2. 659 KB

  3. 0 KB

  4. 60 KB

  5. None of these

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C Correct answer
Explanation

Total size of external fragmentation is 0 KB because all the memory blocks are allocated to all the processes.