Front

Optical storage

Back

A type of storage using lasers to write and read data

Front

Example of optical storage: Hard drive, USB flash drive, CD, RAM

Back

CD

Front

What is one advantage of optical storage?

Back

Portability

Front

What is a disadvantage of optical storage?

Back

Susceptibility to scratches

Front

How much data can a CD typically store?

Back

700 MB

Front

What is the capacity of a Blu-ray disc?

Back

25 GB

Front

Why might optical storage be considered reliable?

Back

It is reliable if stored properly

Front

What is a cost advantage of optical storage?

Back

Cheap to buy in bulk

Front

What is a portability advantage of optical storage?

Back

Small and lightweight

Front

What is a speed disadvantage of optical storage?

Back

Slow reading due to accessing the optical disk drive