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
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
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
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
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
How many operations are performed on directory?
a) five
b) six
c) seven
d) eight
Explanation: search, create, delete, list, rename file, traverse file