IT4 - Optical storage Quiz

How do optical storage devices work?

• By using magnetic fields to write data

• By using lasers to write data and read from it using a series of pits and lands

• By using electrical impulses to store data

• By using mechanical arms to write and read data

Which of the following is an example of optical storage?

• SSD

• CD

• HDD

• Flash memory

What is the storage capacity of a Blu-ray disc?

• 700 MB

• 1.44 MB

• 25 GB

• 4 GB

What is a disadvantage of optical storage in terms of durability?

• It is waterproof

• It is sensitive to scratches and dust

• It is shockproof

• It is resistant to electromagnetic interference

Why is optical storage considered to have low speed?

• Because it uses solid-state technology

• Because it uses high-speed USB connection

• Because it has to access the optical disk drive

• Because it uses cloud technology

What makes optical storage portable according to the text?

• Its large size and heavy weight

• Its small size and lightweight

• Its requirement for external power

• Its high durability and ruggedness