A Level Computer Science - Magnetic, optical and flash storage

What are the three common types of storage mentioned in the video?

• USB, Ethernet, HDMI

• RAM, ROM, Cache

• Cloud, Tape, Hard disk

• Magnetic, Optical, Solid-state

Which type of optical media has the greatest storage capacity?

• Blu-ray

• CD-RW

• DVD-RW

• CD-R

What is the main advantage of optical media as a storage media?

• High capacity

• No moving parts

• Cheap to produce

• Quick access to data

What causes the clicking sound in a magnetic hard disk?

• Drive head movement

• Electricity flow

• Oxide layer deterioration

• Floating gate change

Which type of storage device is known for being small, lightweight, and very quick to access data?

• Magnetic devices

• Solid-state drives

• Optical drives

• Tape drives

What is a limitation of solid-state media?

• High cost

• Limited number of read/write cycles

• Moving parts

• Low power

Which type of optical media is suitable for storing zeros and ones by physically burning the surface of the disc?

• CD-RW

• DVD-RW

• Blu-ray

• CD-R

What is the main disadvantage of magnetic tapes as a storage media?

• High cost

• Large size

• Slow access to data

• Low capacity

What is the main advantage of solid-state drives over hard disks?

• Low cost

• No moving parts

• Quick access to data

• High capacity

What is the device that reads and writes data from secondary storage generally referred to as?

• Drive

• Pit

• Laser

• Media