Optical Storage

What is the storage capacity of a standard CD?

• 1.4 GB

• 700 MB

• 4.7 GB

• 25 GB

Which storage device is used to store high quality videos that can playback in HD and 4K quality?

• CD

• DVD

• Blu-ray

• Flash Drive

What is the primary purpose of a DVD?

• To store documents and images

• To store high quality audio files

• To store videos and audio with a capacity of 4.7GB

• To store data up to 50GB

What is optical storage?

• A) A storage type where data is written and read with a magnetic field.

• B) A storage type where data is written and read with a laser.

• C) A storage type where data is stored in cloud servers.

• D) A storage type where data is written on paper and read manually.

What is the purpose of using optical storage devices like CDs and DVDs in data storage?

• To increase the processing speed of computers

• To store data in an encrypted format only

• To store data that can be read by laser technology

• To enhance the graphics of video games

Which factor is NOT typically considered when evaluating the effectiveness of optical storage devices?

• Capacity

• Cost

• Color of the disc

• Data transfer speed

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

• 25GB

• 50GB

• 75GB

• 100GB

How does the cost effectiveness of optical storage compare to other storage types?

• More expensive per GB

• Less cost effective due to high production costs

• Offers excellent value for money, £1 or less for a BluRay disc

• Comparable to SSDs in terms of cost

What is a disadvantage of optical storage devices like CDs when compared to hard disk drives?

• They have higher storage capacity

• They are faster at reading data

• They are slower at reading data because they require an optical drive and laser

• They are less portable

Why are optical storage devices considered portable?

• They require external power sources

• They can be easily carried in a sleeve or CD case

• They have high data transfer speeds

• They are expensive