slidesgo-mastering-the-mind-unraveling-memory-management-methods-in-operating-systems-20241104062709tnyf.pptx

osy ppt presentation

1. Memory Management in Operating System B Y - SAMI K SHA BO D AKE DISHA SHINDE

2. Introduction to Memory Management Me m o r y Man a ge m ent is a cru c ial aspe c t of ope r ating s y s t ems that ensu r es ef fi c ient allocation and deallocation of memory. This presentation will explore various methods used in memory management, highlighting their importance and im p a c t on s y s t em per f o r man c e. L et's em b a r k on this journey to master the mind of memory !

3. Memo r y management i n v ol v es the c oor dination of c ompu t er memo r y r esou r c es. It is r esponsible f or the allocation , t r a c ki n g , and r e c lamation of memory spaces. Understanding these fun c tions helps us app r e c ia t e h o w ope r ating s y s t ems maintain optimal per f o r man c e while executing multiple processes. W h a t i s M e m o r y Management?

4. T ypes of Me m o r y Management The r e a r e s e v e r al t ypes of memo r y management t e c hniques, in c luding p a gi n g , seg mentation , and c ontiguous allocation . E a c h method has its unique app r oa c h t o handling memo r y , ca t e r ing t o di f f e r ent s y s t em r equi r ements and per f o r man c e g o als.

5. Paging Explained In paging , memory is divided into fixed-size blocks called p a ges . This method all o w s f or non- contiguous allocation, simplifying memory management and r edu c ing f r agmentation. It enhances efficiency and allows for better utilization of a v ailable memo r y r esou r c es.

6. Segmentation Basics S e g m e n t a t i o n i s a m e m o r y m a n a g e m e n t t e c hn i q u e t h a t d i v i d e s m e m o r y i n t o v a r i a b l e - s i z e d s e g m e n t s b a s e d o n t h e l o g i c a l d i v i s i o n s o f a p r o g r a m . E a c h s e g m e n t c a n g r o w o r s h r i n k i n d e p e n d e n t l y , p r o v i d i n g fl e x i b ili t y i n m e m o r y a ll o c a t i o n a n d e nh a n c i n g program organization .

7. In c ontiguous m e m o r y allocation , e a c h p r o c ess is alloca t ed a single c ontiguous blo c k of memo r y . While this method is simple and ef fi c ien t , it m a y l e ad t o f r a g m entation issues o v er time, making it less e f f e c ti v e f or s y s t ems with dynamic memo r y requirements. C o n t i g u o u s Memory Allocation

8. V i r t u a l M e m o r y Concept Virtual memory is  a method that computers use to manage storage space to keep systems running quickly and efficiently . Using the technique, operating systems can transfer data between different types of storage, such as random access memory (RAM), also known as main memory, and hard drive or solid-state disk storage.

9. Memory F r a g m e n t a t i o n Fragmentation refers to  an unwanted problem that occurs in the OS in which a process is unloaded and loaded from memory, and the free memory space gets fragmented . The processes can not be assigned to the memory blocks because of their small size.

10. Swapping.   Swapping in an operating system (OS) is a memory management technique that moves processes between the main memory and secondary memory. The purpose of swapping is to increase the amount of memory available to other processes and to run multiple processes at once .

11. Conclusion: m a n a g e m e n t m e t h o d s i s memory essential for optimizing operating s y s t e m p e r f o r m a n c e . B y understanding various techniques, we can appreciate their impact on system efficiency and user experience. Let's continue to explore and innovate in t h e r e a l m o f m e m o r y m a n a g e m e n t !

12. Tha n k s!