Quiz on Hard Disk Drives (HDD)

What is the most common method used to store data on a computer?

• Floppy disks

• Hard disk drives (HDD)

• CD-ROMs

• USB drives

How many read/write heads can access all of the platter surfaces in a hard disk drive?

• Three

• Two

• One

• Four

What is used to move the read/write heads in a hard disk drive?

• Capacitors

• Transistors

• Sensors

• Actuators

What is the material used to make the platters in a hard disk drive?

• Silver

• Copper

• Plastic

• Aluminium

What is the name of the map of sectors stored on the HDD?

• Data Storage Index (DSI)

• Sector Allocation Map (SAM)

• File Allocation Table (FAT)

• Data Index Table (DIT)

What is the time it takes for a specific block of data on a data track to rotate around to the read/write head called?

• Speed

• Access Time

• Transfer Time

• Latency

What is the main use of fixed hard disk drives?

• Storing music files

• Storing operating system and software

• Playing video games

• Running internet browsers

What is an advantage of fixed hard disk drives?

• Fast access times to data

• Slow data transfer rate

• High reliability

• Low memory capacity

What can affect the overall reliability of fixed hard disk drives?

• Low data transfer rate

• Many moving parts

• Few moving parts

• High memory capacity

What is the speed at which the platter rotates in a hard disk drive?

• 5000 rpm

• 7500 rpm

• 10000 rpm

• 15000 rpm