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CIS101 > Chapter 03: Storage > Flashcards

Chapter 03: Storage Flashcards

1
Q

BD-R discs

A

A recordable Blu-ray Disc. (109)

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2
Q

BD-RE discs

A

A rewritable Blu-ray Disc. (109)

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3
Q

BD-ROM (Blu-ray Disc read-only memory) discs

A

A Blu-ray Disc that can be read from, but not written to, by the user. (108)

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4
Q

Blu-ray Discs (BDs)

A

A high-capacity (typically 25 GB or 50 GB) disc that is often used to deliver high-definition movies, as well as to store user data. (106)

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5
Q

CD discs

A

A low capacity (typically 700 MB) optical disc that is often used to deliver music and software, as well as to store user data. (106)

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6
Q

CD-R discs

A

A recordable CD. (108)

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7
Q

CD-ROM (compact disc read-only memory) discs

A

A CD that can be read from, but not written to, by the user. (108)

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8
Q

CD-RW

A

A rewritable CD. (109)

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9
Q

cloud storage

A

Refers to using a storage device that is accessed via the Internet; also called online storage. (115)

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10
Q

cluster

A

One or more sectors; the smallest addressable area of a disk. (98)

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11
Q

cylinders

A

The collection of tracks located in the same location on a set of hard disk surfaces. (98)

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12
Q

data movement time

A

Time to move the data from hard disk to memory or from memory to hard disk. (103)

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13
Q

disk access time

A

The time it takes to locate and read data from (or position and write data to) a storage medium. (103)

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14
Q

disk cache

A

Memory used in conjunction with a magnetic hard drive to improve system performance. (103)

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15
Q

DVD discs

A

A medium capacity (typically 4.7 GB or 8.5 GB) optical disc that is often used to deliver software and movies, as well as to store user data. (106)

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16
Q

DVD-R discs or DVD+R discs

A

Recordable DVDs. (109)

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17
Q

DVD-ROM (digital versatile disc read-only memory) discs

A

A DVD that can be read from, but not written to, by the user. (108)

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18
Q

DVD-RW, DVD+RW

A

Rewritable DVDs. (109)

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19
Q

Embedded flash memory

A

Flash memory chips embedded into products, such as consumer devices. (110)

20
Q

file

A

Something stored on a storage medium, such as a program, a document, or an image. (95)

21
Q

filename

A

A name given to a file by the user; it is used to retrieve the file at a later time. (95)

22
Q

flash memory

A

Nonvolatile memory chips that can be used for storage by the computer or user; can be built into a computer or a storage medium. (110)

23
Q

flash memory card

A

A small, rectangular flash memory medium, such as a CompactFlash (CF) or Secure Digital (SD) card; often used with digital cameras and other portable devices. (111)

24
Q

folders

A

A named place on a storage medium into which the user can place files in order to keep the files stored on that medium organized. (95)

25
Q

hard drive

A

The primary storage system for most computers; used to store most programs and data used with a computer. (96)

26
Q

Holographic storage

A

An emerging type of storage technology that uses multiple blue laser beams to store data in three dimensions. (117)

27
Q

hybrid hard drives

A

A hard drive that contains both a large amount of flash memory and magnetic hard disks. (103)

28
Q

magnetic hard drive

A

A hard drive consisting of one or more metal magnetic disks permanently sealed, along with an access mechanism and read/write heads, inside its drive. (97)

29
Q

Magnetic tape

A

Storage media consisting of plastic tape with a magnetizable surface that stores data as a series of magnetic spots; typically comes as a cartridge. (120)

30
Q

network attached storage (NAS)

A

A high-performance storage device individually connected to a network to provide storage for computers on that network. (114)

31
Q

network storage

A

Refers to using a storage device that is accessed through a local network. (114)

32
Q

online storage

A

Refers to using a storage device that is accessed via the Internet; also called cloud storage. (115)

33
Q

optical discs

A

A type of storage medium read from and written to using a laser beam. (105)

34
Q

optical drives

A

A drive used with optical discs, such as CD or DVD discs. (106)

35
Q

RAID (redundant arrays of independent disks)

A

A storage method that uses several hard drives working together, typically to increase performance and/or fault tolerance. (119)

36
Q

rotational delay

A

Time to rotate hard disks so that read/write heads are over part of cylinder to be used. (103)

37
Q

sectors

A

A small piece of a track. (98)

38
Q

seek time

A

Time to move read/write heads to cylinder that contains/will contain desired data. (103)

39
Q

smart card

A

A credit card-sized piece of plastic containing a chip and other circuitry that can store data. (116)

40
Q

Solid-state drives (SSDs)

A

A hard drive that uses flash memory media instead of metal magnetic hard disks. (100)

41
Q

storage area networks (SANs)

A

A network of hard drives or other storage devices that provide storage for a network of computers. (114)

42
Q

storage device

A

A piece of hardware, such as a DVD drive, into which a storage medium is inserted to be read from or written to. (93)

43
Q

storage medium

A

The part of a storage system, such as a DVD disc, where data is stored. (93)

44
Q

tracks

A

A concentric path on a disk where data is recorded. (98)

45
Q

USB flash drives

A

A small storage device that plugs into a USB port and contains flash memory media. (112)

CIS101 (17 decks)

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