Computer Organization Quiz

What material is the substrate of a disk typically made of?

• Plastic

• Steel

• Glass

• Aluminium

Which of the following is a benefit of using a glass substrate for disks?

• Reduced disk reliability

• Better stiffness

• Higher fly heights support

• Increased read-write errors

In a fixed-head disk, how many read-write heads are there per track?

• One

• None

• Two

• Three

What type of disk is permanently mounted in the disk drive?

• Removable disk

• Fixed-head disk

• Movable-head disk

• Non-removable disk

What is the main advantage of using a double-sided disk?

• Higher data density

• Lower power consumption

• Faster rotational speed

• Reduced disk reliability

What is the purpose of RAID in disk systems?

• Improve rotational delay

• Increase seek time

• Reduce access time

• Guarantee data recoverability

Which type of disk drive has higher access times and latency rates?

• Solid State Drive (SSD)

• Hard Disk Drive (HDD)

• Floppy Disk Drive

• ZIP Cartridge Drive

What is the main advantage of SSDs over HDDs?

• Longer lifespan

• Faster rotational speed

• Lower power consumption

• Higher data density

What is a practical issue peculiar to SSDs that is not faced by HDDs?

• Optical disk products

• Front-ending the flash with a cache

• Estimating remaining lifetimes

• Using wear-leveling algorithms

What is the main difference between CD-ROM and Audio CD?

• Disk material

• Error correction devices

• Data transfer speed

• Disk size