Question

What is fragmentation ? Explain types of fragmentation in details.

Answer 1

In some operating system's file systems, a data file over a certain size is stored in several "chunks" or fragments rather than in a single contiguous sequence of bits in one place on the storage medium, a process that is called fragmentation.

Types are :

1. FAT

2. TCP/IP

Answer 2

Fragmentation is a phenomenon in which computer storage space is used inefficiently, reducing capacity or performance of computer and often both.

There are two types of fragmentation:

1) External fragmentation- External Fragmentation happens when a dynamic memory allocation allocates some memory and a small piece is left over that cannot be effectively used.

2) Internal fragmentation- Internal fragmentation is the space wasted inside of allocated memory blocks because of restriction on the allowed sizes of allocated blocks.

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