PAGING V/S SEGMENTATION

1.      Here is Difference between Paging and Segmentation.

The main Differences are:

S.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.

Programmer does not know that it is implemented

Programmer knows that it is implemented.

4.

Procedures and data cannot be separated

Procedures and data can be separated

5.

Procedures and data cannot be protected separately

Procedures and data can be protected separately

6.

Compilation cannot be done separately

Compilation can be done separately

7.

A page is a physical unit

A segment is a logical unit

8.

A page is of fixed size

A segment is of arbitrary size

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