Paged memory management
Till now, all partitioning schemes are contiguous schemes. In paged memory management, the job is not necessarily loaded into adjacent memory locations.
Features of paged memory Management
The memory is divided into a “large” no. of “small” partition all partition are of the same size.
These partition are called page frames or blocks.
A job is divided into pages all pages are of same size.
1 page = 1 block
O.S. decided the page size
* Physical add. divided into block.
* Logical add. . divided into Page.
Consider a job of 6k. Jobs are compiled relative to zero.
the main memory without applying corrections to addresses.
The correct physical address has to be generated at the time
This is done by paging hardware. paging hardware is used
to locate the blanks of the job.
Paging H/W helps to locate the blocks of the job