Difference Between Virtual Memory and Cache Memory | Operating System | #22

Virtual memory and cache memory are two types of memory used in computers to store data and improve the performance of the system. The main difference between virtual memory and cache memory is their purpose and location in the memory hierarchy.

Blog: https://medium.com/@ahirlog/difference-between-virtual-memory-and-cache-memory-in-operating-system-e235c4bf9e13

Virtual memory is a type of memory that is implemented by the operating system to allow a computer to compensate for the lack of physical memory (RAM) by temporarily transferring data from RAM to a hard disk or other storage device. Virtual memory allows a computer to run programs that are larger than the available RAM by creating a virtual address space that is larger than the physical memory. When a program accesses data that is not in RAM, the operating system retrieves it from the virtual memory and stores it in RAM for faster access. Virtual memory is slower than RAM, but it allows a computer to run more programs and handle larger workloads.

Cache memory is a type of memory that is used to store frequently accessed data and instructions to improve the performance of the system. Cache memory is located between the processor and main memory, and it is much faster than main memory. When a program accesses data or instructions, the processor first checks the cache memory to see if the data is already stored there. If the data is found in the cache memory, it is retrieved from there, which saves the time and energy needed to access the main memory. Cache memory is smaller and more expensive than main memory, but it can significantly improve the performance of the system.

Virtual memory and cache memory are both important components of a computer system, and they work together to improve the performance and flexibility of the system. Virtual memory allows a computer to run larger programs and handle larger workloads, while cache memory speeds up the access to frequently used data and instructions.

My YouTube Gear:
Boya BYM1(Mic): https://amzn.to/3bvm69j
Redmi Note 7 Pro(Mic & Camera): https://amzn.to/3uRkVsb
MSI Motherboard: https://amzn.to/3fiQHYO
Intel i3 Processor: https://amzn.to/3w8TWbQ
Mouse: https://amzn.to/3yb8PMP
Keyboard: https://amzn.to/3bvmtkd
Wifi Adaptor: https://amzn.to/3fiQYuO
SSD: https://amzn.to/3w2w2Pa
Speakers: https://amzn.to/3w6pKhv

--------------------------
Fork() and Exec() System Calls in Operating System in Hindi | #15
https://youtu.be/8rJ9ChEx4pk

System Calls in Operating System in Hindi | #14
https://youtu.be/8325iyeWbRY

Difference Between Process and Thread | Hindi | Operating System | #13
https://youtu.be/fhIwukycPqE

Threads in Operating System in Hindi | #12
https://youtu.be/ghp5Ygyb1Z4

What is Throughput and Turnaround in OS? in Hindi | #19
https://youtu.be/5wPUOs9GIUQ

First Come First Serve in Operating System in Hindi | #18
https://youtu.be/-a-nezoj7P4

Preemptive Scheduling and Non Preemptive Scheduling in Hindi | #17
https://youtu.be/4af_0fT8t48

Difference Between Logical Address and Physical Address | Operating System in Hindi | #24
https://youtu.be/PQqPaVXtKQ4

Difference Between Network Operating System and Distributed Operating System in Hindi | #23
https://youtu.be/yWI0vJUdHpE

Difference Between Virtual Memory and Cache Memory | Operating System | #22
https://youtu.be/y5rKivsKyZA

Race Conditions in Operating System in Hindi | #21
https://youtu.be/hjkfz3KD7Zk

Round Robin Algorithm in Operating System in Hindi | #26
https://youtu.be/kypRiYGEvWc

Shared Memory System | Operating Systems in Hindi | #25
https://youtu.be/Vbuw1e3o3rg

Inter Process Communication in Operating System in Hindi | #20
https://youtu.be/nbWa4fS2G-o
--------------------------
Instagram: https://www.instagram.com/ahirlog/

Facebook: https://www.facebook.com/ahirlog

Twitter: https://twitter.com/ahirlog

YouTube: https://www.youtube.com/ahirlog