Which optical technology is this?

Today’s optical technologies provide impressive storage capacities for personal computer users. Which optical technology provides up to fifty gigabytes of storage capacity on a single disc?

A) CD

B) DVD

C) Blu-ray

D) microSD

E) Acuvue Advance for Astigmatism

The answer: C) Blu-ray

Single-layer Blu-ray can support up to 25 gigabytes of capacity, and dual-layer Blu-ray maxes out at 50 gigabytes of storage per disc.

Want to know more? Watch “Storage Devices.” Storage technology has changed dramatically through the years, from floppy disks through solid state drives. In this video, you’ll learn about the technology behind floppy drives, hard drives, solid state technologies, and optical drives. You’ll also learn about removable storage technologies, tape drives, and external storage options.