Chapter 7: Secondary Storage

Question 1

Data storage has expanded from text and numeric files to include:

Answer 1

Digital music files, photographic files, video files, and much more.

Question 2

These new types of files require what?

Answer 2

Secondary storage devices with much greater capacity

Question 3

Primary storage is:

Answer 3

1) Volatile storage
2) Temporary storage
3) Random Access Memory (RAM)

Question 4

Volatile storage

Answer 4

Loses content when the computer loses power

Question 5

Secondary storage is:

Answer 5

1) Nonvolatile storage
2) Permanent storage

Question 6

Nonvolatile storage

Answer 6

Stores programs and data regardless of power

Question 7

Permanent storage

Answer 7

Permanently saves information for future use

Question 8

Secondary storage characteristics

Answer 8

1) Media
2) Capacity
3) Storage devices
4) Access speed

Question 9

Media

Answer 9

Physical material that holds data and programs

Question 10

Capacity

Answer 10

Measures how much the media can hold

Question 11

Storage devices

Answer 11

Hardware that reads data and programs

Question 12

Access Speed

Answer 12

Amount of time required to retrieve data from storage

Question 13

Writing is the process of

Answer 13

Saving information to storage

Question 14

Reading is the process of

Answer 14

Accessing information from storage

Question 15

Hard disks

Answer 15

Save files by altering the magnetic charges of the disk’s surface to represent the first and zero

Question 16

Save files by altering the magnetic charges of the disk’s surface to represent the first and zero

Answer 16

1) Use rigid, metallic platters that are stacked one on top of one another
2) Store and organize files using tracks, sectors, and cylinders

Question 17

Head crash

Answer 17

Occurs when the read-write head makes contact with the hard disk’s surface or with particles on its surface
1) Disastrous

Question 18

Types of Hard Disks

Answer 18

1) Internal
2) External

Question 19

Internal Hard Disks

Answer 19

1) Located inside the system unit
2) Used to store programs and data files
3) You should perform routine maintenance and periodically backup all important files

Question 20

External Hard Disks

Answer 20

1) Removable
2) Used to complement internal hard disk
3) Used to back up the contents of the internal hard disk

Question 21

Performance Enhancement

Answer 21

There are 3 ways to enhance performance:

Question 22

3 ways to enhance performance:

Answer 22

1) Disk caching
2) Raid
3) File compression
4) File decompressionn

Question 23

Solid-State Storage

Answer 23

Having no moving parts

Question 24

Solid-state drives

Answer 24

1) Faster and more durable than hard disks
2) Access to slash memory or solid-state storage

Question 25

Flash memory cards

Answer 25

Widely used in laptops, smartphones, GPS navigation systems

Question 26

USB Drives (or Flash Drives)

Answer 26

1) Connect to the USB port
2) Capacity of 1 GB to 256 GB
3) Portable

Question 27

Optical Disc

Answer 27

1) Hold over 128 gigabytes (GB) of data
2) Use reflected light to represent data

Question 28

Use reflected light to represent data

Answer 28

1) Lands represent 1s and 0s on the disc
2) Pits are bumpy areas on the disc that, when light is reflected, determine the 1s and 0s
3) Use tracks and sectors to organize and store files but only use a single track unlike the hard drive

Question 29

Cloud Storage

Answer 29

The Internet acts as a cloud of servers

Question 30

The Internet acts as a cloud of servers:

Answer 30

1) Applications provided as a service rather than a product
2) Supplied by servers that provide cloud storage or online storage

Question 31

Cloud Storage Services (Advantages)

Answer 31

1) Maintenance
2) Hardware upgrades
3) File sharing and collaboration

Question 32

Cloud Storage Services (Disadvantage)

Answer 32

1) Access Speed
2) File security

Question 33

Making IT work for you ~ Cloud Storage

Answer 33

Using a cloud storage service makes it easy to upload and share files with anyone

Question 34

Mass Storage Devices

Answer 34

To meet the needs of organizations requiring large amounts of secondary storage requirements:
1) Enterprise storage system
2) Devices include

Question 35

Enterprise storage system

Answer 35

Safe use of data across an organizational network

Question 36

Devices include:

Answer 36

1) File servers
2) Networked attached storage (NAS)
3) RAID systems
4) Organizational cloud storage

Question 37

Storage Area Network (SAN)

Answer 37

1) Architecture to link remote computer storage devices
2) User’s computer provides a file system, but SAN provides disk space
3) House data in remote locations and still allow efficient and secure access

Question 38

Career in IT

Answer 38

Disaster recovery specialists are responsible for recovering systems and data after a disaster strokes

Question 39

Next-Generation Storage

Answer 39

1) The photo and videos may be stored using heat, lasers, or even DNA
2) Both magnetic disk manufacturers and flash memory researchers are working on increasing storage without increasing physical size