Paging is a memory management scheme that eliminates the need for contiguous allocation of physical memory, thus reducing fragmentation and allowing for efficient use of RAM. It divides the process's virtual address space into fixed-size blocks called pages, which are mapped to physical memory frames, enabling processes to be easily swapped in and out of the main memory.

Paging

memory management scheme

contiguous allocation of physical memory

reducing fragmentation

efficient use of RAM

Virtual address space is a memory management capability of an operating system that provides an abstraction layer between the physical memory and the processes running on a computer, allowing each process to have its own isolated address space. This abstraction enables more efficient use of memory, simplifies programming, and enhances security by preventing processes from accessing each other's memory directly.

virtual address space

fixed-size blocks

pages

physical memory frames

Processes are structured sequences of actions or steps taken to achieve a particular goal or outcome, often involving the transformation of inputs into outputs. They are fundamental to understanding and improving efficiency, quality, and effectiveness in various domains, from manufacturing to business management and software development.

processes

Swapped in and out of main memory

Memory Management

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