Differnce between MVT and MFT
Answers
MFT (Multiprogramming with a Fixed number of Tasks) is one of the old memory management techniques in which the memory is partitioned into fixed size partitions and each job is assigned to a partition
1)MFT or fixed partitioning Scheme:
In
fixed scheme, the OS will be divided
into fixed sized blocks. It takes place at
the time of installation.
At
compile time, we can bind only
addresses.
Degree of multiprogramming is not
flexible
This is because the number of blocks is
fixed resulting in memory wastage due
to fragmentation
2)MVT OR variable partitioning
Scheme:
In variable partitioning scheme there
are no
partitions at the beginning.
There is only the OS area and the rest
of the available RAM
The memory is allocated to the
processes as they enter.
This method is more flexible as there is
no
internal fragmentation and there is no
size limitation.
Compile time
address binding is impossible because
of external fragmentation.
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