Chapter 8

Question 1

storage medium

Answer 1

physical material on which a computer keeps data, info, programs, and apps (secondary storage)

Question 2

cloud storage

Answer 2

keeps info on servers on the internet, and the actual media where the files are stored are transparent to the user

Question 3

storage device

Answer 3

the hardware that records and/or retrieves items to and from storage media

Question 4

reading

Answer 4

the process of transferring items from a storage medium into memory

Question 5

writing

Answer 5

the process of transferring items from memory to a storage medium

Question 6

capacity

Answer 6

the number of bytes a storage medium can hold

Question 7

kilobyte

Answer 7

one thousand

Question 8

megabyte

Answer 8

one million

Question 9

gigabyte

Answer 9

one billion

Question 10

terabyte

Answer 10

one trillion

Question 11

storage medium

Answer 11

items remain intact even when you turn off a computer or mobile device- nonvolatile

Question 12

memory

Answer 12

holds data and instructions temporarily-volatile

Question 13

transfer rate

Answer 13

the speed with which data, instructions, and info transfer to and from a device

Question 14

hard drive

Answer 14

the collection term for both hard disks and SSDs- contains circular platters that use magnetic particles to store data, instructions, and info

Question 15

what determines storage capacity of a hard drive

Answer 15

number of platters it contains, whether it uses longitudinal or perpendicular recording, and the density

Question 16

formatting of a hard drive

Answer 16

dividing the disk into tracks and sectors so the operating system can store and locate data and info on the disk

Question 17

track

Answer 17

a narrow recording band that forms a full circle on the surface of the disk

Question 18

sector

Answer 18

wedged shaped sections, which break the tracks into small arcs

Question 19

disk defragmenter

Answer 19

a tool that reorganizes the files and unused space on a computer’s hard disk so that the operating system accesses data more quickly and programs run faster

Question 20

form factor

Answer 20

size

Question 21

read/write heads

Answer 21

the mechanism that reads and writes items in the drive as it barely touches the disk’s recording surface (each platter has 2)

Question 22

head crash

Answer 22

when a read/write head touches the surface of a platter

Question 23

solid state drive (SSD)

Answer 23

flash memory storage device that contains its own processor to manage its storage

Question 24

SSD advantages

Answer 24

faster access times, faster transfer rates, quieter operation, more durable, lighter weight, less power consumption, less heat generation, longer life, and defragmentation isn’t required

Question 25

major difference b/w USB and SSDs

Answer 25

the form factor (size) and capacity of the drives- USB designed to be external and SSD is designed to be in the computer

Question 26

USB vs. SSD/hard disk

Answer 26

SSD doesn't have moving parts, while USB has drive motors to spin up the magnetic platters and drive heads SSDs are mechanically better SSDs are 3x more expensive SSDs have way less capacity

Question 27

external hard disk

Answer 27

separate freestanding storage device that connects with a cable to a USB port or other port on a computer or mobile device

Question 28

reasons to use external hard drive

Answer 28

transport large number of files, most include back-up software, easily store large audio/video, secure your data, and add storage space to mobile computer or desktop

Question 29

memory card

Answer 29

a removable flash memory storage device that you insert and remove from a slot in a computer, mobile device, or card reader/writer

Question 30

USB flash drive

Answer 30

plugs into a USB port on a computer or mobile device

Question 31

cloud storage

Answer 31

an internet service that provides storage to a computer or mobile device users

Question 32

personal cloud

Answer 32

you can purchase a networked hard drive that makes your data available on a cloud that exists within your home or office

Question 33

enterprise storage

Answer 33

enterprise hardware allows large organizations to manage and store data and info using devices intended for heavy use, max efficiency, and max availability

Question 34

network attached storage (NAS)

Answer 34

a server that is placed on a network with the sole purpose of providing storage to users, computers, and devices attached to the network

Question 35

storage area network (SAN)

Answer 35

a high-speed network with the sole purpose of providing storage to other attached servers (includes only storage devices)

Question 36

tape

Answer 36

a magnetically coated ribbon of plastic capable of storing large amounts of data and info

Question 37

magnetic strip card

Answer 37

has a magnetic stripe that contains info

Question 38

smart card

Answer 38

stores data on an integrated circuit embedded in the card

Question 39

RFID tag

Answer 39

consists of an antenna and a memory chip that contains the info to be transmitted via radio waves to a computer or computing device