Hard Disks

Question 1

Unlike solid-state drives, which have no moving parts. ___________ rotate and have read/write heads that move in and out.

Answer 1

hard-disk drives

Question 2

__________ refers to how tightly these charges can be packed next to one another on the disk.

Answer 2

Density

Question 3

Hard disks use rigid metallic _________ that are stacked one on top of another.

Answer 3

platters

Question 4

Hard disks store and organize files using:

Answer 4

1. tracks
2. sectors
3. cylinders

Question 5

________ are rings of concentric circles on the platter.

Answer 5

Tracks

Question 6

Each track is divided into invisible wedge-shaped sections called ____________.

Answer 6

sectors

Question 7

A ___________ runs through each track of a stack of platters.

• necessary to differentiate files stored in the same track and sector of different platters.

Answer 7

cylinder

Question 8

An ____________ is located inside the system unit. These hard disks are able to store and retrieve large quantities of information quickly.

Answer 8

internal hard disk

Question 9

________________ use the same basic technology as internal hard drives and are used primarily to complement an internal hard disk.

Answer 9

External hard drives

Question 10

While internal and external hard-disk drives exist local to the system unit, either within the system unit or nearby, ______________ place the drive or drives on a network can be located across the world from the system unit.

Answer 10

network drives

Question 11

___________ improves hard-disk performance by anticipating data needs. Improves processing by acting as a temporary high-speed hilding area between a secondary storage device and memory.

Answer 11

Disk caching

Question 12

_______________ are storage drives that contain both solid-state storage and hard disks in an attempt to gain the speed and power benefits of SSDs while still having the low cost and large capacity of hard drives.

Answer 12

Hybrid drives

Question 13

________________ improve performance by expanding external storage, improving access speed, and providing reliable storage.

Answer 13

Redundant arrays of inexpensive disks (RAID)

Question 14

________________ and _______________ increase storage capacity reducing the amount of space required to store data and programs.

Answer 14

• File compressions
• file decompression

Question 15

_______________ reduces file size

Answer 15

File compression

Question 16

_________________ expands compressed files

Answer 16

File decompression