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Which of the following are disadvantages of contiguous block?
a) suffer from fragmentation                           
b) difficult to delete and add blocks
c) both a & b                       
d) none of these

c

Which blocks, a few bytes in each block are used as pointer to the next block?
a) contiguous blocks
b) incontiguous block
c) block linkage 
d) none of these

c

Which of the following are disadvantages of block linkage?
a) overhead needed to store pointer               
b) large number of disks needed
c) damage to one block can big loss               
d) all of these

d

Which blocks, linkage pointer for each file is stored in separate indexed block?
a) contiguous blocks
b) incontiguous block
c) block linkage   
d) index block

d

Which of the following are disadvantages of index blocks?
a) overhead needed                                           
b) addition or deletion of middle blocks
c) damage to index blocks
d) all of these

d

How many operations are performed on directory?
a) five   
b) six     
c) seven
d) eight

b

Explanation: search, create, delete, list, rename file, traverse file