File allocation methods (contiguous, linked, indexed) in Operating Systems - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to identify the file allocation method that stores files in consecutive blocks.

Operating Systems

method = "[1]"  # This method stores files in consecutive blocks on disk.

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Acontiguous

Blinked

Cindexed

Dhashed

Attempts:

3 left

💡 Hint

Common Mistakes

Confusing linked allocation with contiguous because both deal with blocks.

Choosing indexed because it uses a separate index block.

The contiguous allocation method stores all blocks of a file in consecutive order on the disk, making access fast and simple.

2fill in blank

medium

Complete the code to name the file allocation method that uses pointers to link file blocks.

Operating Systems

method = "[1]"  # This method stores file blocks linked by pointers.

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Aindexed

Bcontiguous

Clinked

Dsequential

Attempts:

3 left

💡 Hint

Common Mistakes

Choosing contiguous because it also deals with blocks.

Confusing indexed allocation with linked.

The linked allocation method stores each file block with a pointer to the next block, forming a chain.

3fill in blank

hard

Fix the error in the code to correctly identify the file allocation method that uses an index block.

Operating Systems

method = "[1]"  # This method uses an index block to store all block addresses.

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Acontiguous

Bindexed

Cdirect

Dlinked

Attempts:

3 left

💡 Hint

Common Mistakes

Choosing linked because it also uses pointers.

Choosing contiguous because it stores blocks together.

The indexed allocation method uses a special index block that contains pointers to all the file's blocks, allowing direct access.

4fill in blank

hard

Fill both blanks to complete the description of the linked allocation method.

Operating Systems

In linked allocation, each file block contains [1] to the next block, and there is no need for [2] storage.

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Aa pointer

Bcontiguous

Cextra index

Dsequential

Attempts:

3 left

💡 Hint

Common Mistakes

Choosing 'contiguous' for the second blank, which is unrelated to index storage.

Confusing pointer with sequential.

Linked allocation stores a pointer in each block to the next block, so it does not require extra index storage like indexed allocation.

5fill in blank

hard

Fill all three blanks to complete the dictionary that maps allocation method names to their descriptions.

Operating Systems

file_methods = {"contiguous": "Stores files in [1] blocks", "linked": "Uses [2] to link blocks", "indexed": "Uses an [3] block"}

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Aconsecutive

Bpointers

Cindex

Drandom

Attempts:

3 left

💡 Hint

Common Mistakes

Mixing up 'index' and 'pointer' terms.

Choosing 'random' which is unrelated.

The dictionary describes each method: contiguous uses consecutive blocks, linked uses pointers, and indexed uses an index block.