module 7#

Question 1

Memory

Answer 1

consists of electronic components that store instructions

Question 2

Storage

Answer 2

refers to long-term, permanent access to data and information.

Question 3

A storage medium

Answer 3

is nonvolatile

Question 4

Most memory (i.e., RAM), by contrast, holds data and instructions temporarily

Answer 4

thus it is volatile.

Question 5

A storage medium

Answer 5

also called secondary storage, is the location where a computer keeps data, information, programs, and applications.

Question 6

Examples of storage media

Answer 6

include digital storage (cloud), and storage hardware, such as hard disks, solid-state drives (internal or external), memory cards, USB flash drives, optical discs, and tags.

Question 7

A storage device

Answer 7

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

Question 8

Writing

Answer 8

is the process of transferring data, instructions, and information from memory to a storage medium.

Question 9

Reading

Answer 9

is the process of transferring these items from a storage medium into memory.

Question 10

Transfer rate

Answer 10

is the speed with which data, instructions, and information transfer to and from a device.

Question 11

Hard drives

Answer 11

can store data either magnetically or using solid-state storage.

Question 12

Magnetic hard disk drives (HDDs)

Answer 12

have greater storage capacity and are less expensive than their solid-state equivalents.

Question 13

A hard disk, or hard disk drive (HDD),

Answer 13

is a storage device that contains one or more inflexible, circular platters that use magnetic particles to store data, instructions, and information.

Question 14

Longitudinal recording

Answer 14

aligns the magnetic particles horizontally around the surface of the disk.

Question 15

With perpendicular recording

Answer 15

hard disks align the magnetic particles vertically or perpendicular to the disk’s surface.

Question 16

A platter

Answer 16

is made of aluminum, glass, or ceramic and has a thin coating of alloy material that allows items to be recorded magnetically on its surface.

Question 17

Formatting

Answer 17

is the process of dividing the disk into tracks and sectors.

Question 18

A track

Answer 18

is one of the series of concentric circles on one of the surfaces of a magnetic hard disk platter.

Question 19

A sector

Answer 19

is an individual block of data or a segment of a track.

Question 20

A read/write head

Answer 20

is the mechanism that reads items and writes items to the drive.

Question 21

An external hard drive

Answer 21

is a separate, free-standing storage device that connects with a cable to a USB port or other port on any device.

Question 22

An SSD (solid-state drive)

Answer 22

is a flash memory storage device.

Question 23

Flash memory

Answer 23

is a type of nonvolatile memory that can be erased electronically and rewritten.

Question 24

A memory card

Answer 24

is a removable flash memory storage device.

Question 25

A USB flash drive (universal serial bus)

Answer 25

is a removable storage device for folders and files that plug in a USB port on a computer, making it easy to transport folders and files to other computers.

Question 26

Cloud computing

Answer 26

allows companies to outsource, or contract to third-party providers, elements of their information technology infrastructure.

Question 27

Cryptocurrency

Answer 27

is digital currency that can be used to transfer money or payments between users or corporations.

Question 28

Payment apps

Answer 28

such as Venmo, enable you to transfer money between your credit card or bank account and another user.

Question 29

A digital wallet

Answer 29

such as ApplePay, is an app that is connected to a specific payment card or financial account.

Question 30

Enterprise hardware

Answer 30

allows large organizations to manage and store data and information using devices intended for heavy use, maximum efficiency, and maximum availability.

Question 31

Network attached storage (NAS)

Answer 31

is 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 32

A storage area network (SAN)

Answer 32

is a high-speed network with the sole purpose of providing storage to other attached servers.

Question 33

RAM, also called main memory,

Answer 33

consists of memory chips that can be read from and written to by the processor and other devices.

Question 34

ROM (read-only memory)

Answer 34

refers to memory chips storing permanent data and instructions.

Question 35

CMOS (complementary metal-oxide semiconductor) technology

Answer 35

uses battery power to retain information even when the power to the computer is off.