Magnetic and Optical Storage Basics

Front

Uses magnetic media to store data

Back

Magnetic Storage

Front

Uses lasers to read/write data

Back

Optical Storage

Front

Common magnetic storage device

Back

Hard Disk Drive (HDD)

Front

Storage Capacity

Back

Magnetic: high, Optical: moderate

Front

Durability

Back

Magnetic: sensitive to magnets, Optical: scratches

Front

Access Speed

Back

Magnetic: faster, Optical: slower

Front

DVD

Back

Digital Versatile Disc, optical storage

Front

Blu-ray Disc

Back

High-definition optical storage

Front

Used in optical storage to read/write data

Back

Laser