Learn about External Memory or Secondary Memory or Storage Devices

It covers
1. What is Memory?
2. What is difference between Primary and Secondary Memory
3. Earlier Storage Devices
4. Magnetic Storage Devices
4.1 Hard Disk and Floppy Disk
5. Optical Storage Devices
5.1 CDs, DVDs and Blu Ray Disk
6. Flash Storage Devices
6.1 USB Flash Drives, Memory Card and SD card

To watch in English, click - https://youtu.be/OsEDJM9NuGA

For Notes on storage devices click on - https://simplycoding.in/storage-devices/