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What is the difference between paging and segmentation?

written 5.9 years ago by 0309rishika • 520

modified 5.9 years ago by abhishektiwari1 • 100

Mumbai University > Sem5 > Operating System

Marks: 5M

Year: May 15

operating systems

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written 5.9 years ago by 0309rishika • 520

Sr No	Paging	Segmentation
1	A page is a contiguous range of memory addresses which is mapped to physical memory.	A segment is an independent address space. Each segment has addresses in a range from 0 to maximum value.
2	It has only one linear address space.	It has many address spaces.
3	Invisible to,programmer	Visible to programmer
4	Procedures and data cannot be separated	Procedures and data can be separated
5	Procedures cannot be shared between users	Procedures can be shared between users
6	Procedures and data cannot be protected separately	Procedures and data can be protected separately
7	Eliminates external,fragmentation.	Eliminates internal,fragmentation.
8	A page is of fixed size	A segment is of arbitrary size.
9	Paging consist of Static linking & dynamic loading	Segment consist of Dynamic Linking & Dynamic Loading
10	A,page is of physical unit	A page is of logical unit

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