💾 List of Storage Devices – Quick Learning Guide Storage devices are essential hardware components used to store data, programs, and information for future use. Understanding their types helps build a strong foundation in basic computer knowledge. 🔹 Primary Storage (Main Memory) • RAM • ROM 🔹 Secondary Storage • Hard Disk (HDD) • Solid State Drive (SSD) • Pen Drive (USB) • Memory Card (SD Card) • CD / DVD • Blu-ray Disc • External Hard Disk Each device serves a specific purpose—whether for sp