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5/20/2018 Terms and QuesAnswers Chap008
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Computing Essentials 2008
Chapter 8: Secondary Storage
Key TermsKey Term Definition
access speed (214)Measures the amount of time required by the storage
device to retrieve data and programs.
Blu-Ray (BD) (222) different optical format than either the !"! or the #!
!"! and have a capacity of 2$ to $0 gigabytes%
CD (compact disc) (220) &ne of the most 'idely used optical formats.
CD-R (CD-recordable) (220) C! that can be 'ritten to only once.CD-ROM (compact discread
only memory) (220) C! that cannot be 'ritten on or erased by the user.
CD-ROM u!ebo" (22#)(rovide automatic access to a large collection or library of
optical dis)s.
CD-R$ (compact discre%ritable) (221)
C! that can be 'ritten to many times. *See also
erasable optical disc+
cylinder (21&) part of a hard dis) that runs through each trac) of a
stac) of platters.
density (21')#o' tightly the bits *electromagnetic charges+ can be
pac)ed ne,t to one another on a dis)ette.
direct access (22&)-he type of storage and retrieval system used by magnetic
and optical discs.
dis! cacin (21*)
hard dis) performance enhancement that improves
processing by acting as a temporary highspeed holding
area bet'een a secondary storage device and the C(/.
D+D (diital ,ersatile disc ordiital ,ideo disc) (221)
a ne'er optical format that has replaced C!s as the
standard similar to C!s e,cept that more data can be
pac)ed into the same amount of space.
D+D player (221) !"! 1&M drive
D+D R (D+D recordable) (221) type of !"! 'riteonce format
D+D -R (D+D recordable) (221) type of !"! 'riteonce format
D+D-R.M (D+D random-accessmemory) (221) type of !"! re'riteable format
D+D-ROM (D+Dread onlymemory) (221)
!"! format that the user cannot 'rite to
D+D-ROM u!ebo" (22#)(rovide automatic access to a large collection or library of
optical dis)s.D+D R$ (D+D re%ritable)
(221) type of !"! re'riteable format
D+D -R$ (D+D re%ritable)(221)
type of !"! re'riteable format
enterprise storae system(22/)
type of system that large organiations use to promote
efficient and safe use of data across the net'or)s 'ithin
their organiations.
erasable optical disc (221) C! that can be 'ritten to many times. *See also CD-R$(compact disc re%ritable)+
le compression (21*)
hard dis) performance enhancement that increases
storage capacity by reducing the amount of space required
to store data and programs.
le decompression (21*) 1ebuilding a file that has been compressed
le ser,er (22#) dedicated computer 'ith very large storage capacity that
provides users access to fast storage and retrieval of data.
as memory card (22)Credit card3sied solidstate storage devices 'idely used
in noteboo) computers.
4ey -erms (age 5 of 6
5/20/2018 Terms and QuesAnswers Chap008
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Computing Essentials 2008
Chapter 8: Secondary Storage
oppy dis! (214)
portable or removable storage medium that uses flat
circular pieces of Mylar plastic that have been coated 'ith
a magnetic material.
oppy-dis! cartride (2143 21')
(ortable storage devices that are able to store more
information% and are thic)er than a dis)ette. *see also high
capacity dis)+
oppy dis! dri,e (DD) (214)Stores data and programs by altering the electromagneticcharges on the dis)7s surface to represent 5s and 0s
ard dis! (21&)
device that saves files by altering the magnetic charges
of the dis)7s surface% has greater capacity than a dis)ette%
and faster access time.
ard-dis! cartride (21/)Easy to remove cassettes 'hose capacity is only limited by
the number of cartridges.
ard-dis! pac! (21#)1emovable storage device used to store massive amounts
of information.
5D D+D (i-denition D+D)(222)
-his format is very similar to !"! e,cept that its storage
capacity is much greater.
ead cras (21&)
hen a hard dis)7s read9'rite head ma)es contact 'ith the
hard dis)7s surface or 'ith particles on its surface resulting
in a catastrophic loss of data.
i de6 (i denition) (222) -he ne,t generation of optical disc
i-capacity dis! (21')
(ortable storage devices that are able to store more
information% and are thic)er than a dis)ette. *see also
floppy dis) cartridge+
internal ard dis! (21&) magnetic secondary storage device that is located insidethe system unit.
7nternet ard dri,e (22&)Special service sites on the eb provide users 'ithstorage.
label (21')/sually on the front of a dis)ette and provides users 'ith
an area to 'rite or document the contents of the dis).land (220) lat areas that optical discs use to represent 5s and 0s.
manetic tape (22&)
rites data and programs by altering the electromagnetic
charges on a recording surface and uses a sequential access
method to store and retrieve it.
manetic tape reel (22/)
-ype of tape that 'as used by mainframes and is typically
592 inch 'ide and 5592 miles long and provides massive
storage capacity.
manetic tape streamer (22/)-he type of magnetic tape technology used by mainframes
today.
mass storae (22/)-he tremendous amount of secondary storage required by
large organiations.
mass storae de,ices (22/)Specialied highcapacity secondary storage devicesdesigned to meet storage requirements of large
organiations.
media (214) n actual physical material that holds data and programs.
optical disc (220) storage device that uses a laser beam to alter the surface
of a plastic or metallic disc to represent data
optical disc dri,e (220) device 'ith a laser that pro;ects a tiny beam of light on a
disc to reflect the light to determine a pit or land.
orani8ational 7nternet storae(22#)
#ighspeed
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Computing Essentials 2008
Chapter 8: Secondary Storage
9C Card ard dis! (21/)
Credit cardsie harddis) cartridges available for
noteboo) computers 'ith typical capacities
up to $ gigabytes.
pit (220)-he bumpy areas that optical discs use to represent 5s and
0s.
primary storae (214)
1M or memory% 'here data is stored before being
processed.
R.7D system (22#)
system that enhances organiational security by
constantly ma)ing bac)up copies of files moving across
the organiation7s net'or)s.
redundant array o6 ine"pensi,edis!s (R.7D) (21*)
improve performance by e,panding e,ternal storage%
improving access speed% and providing reliable storage.
secondary storae (214) (rovides permanent or nonvolatile storage
secondary storae de,ice (214)#ard'are 'here data and programs can be retained after
the computer has been shut off. *see also storage device+
sector (21') 'edgeshaped sections of a trac)% part of ho' files are
stored and organied on a fle,ible dis)
se:uential access (22&)-he type of storage and retrieval system used by magnetic
tape.
sutter (21')(art of a dis)ette that slides to the side to e,pose the
recording surface.
so6t%are enineer (22#) computer professional 'ho analyes users7 needs and
creates application soft'are.
solid-state storae (22) Storage devices have no moving parts.
storae de,ice (214)
#ard'are 'here data and programs can be retained after
the computer has been shut off. *see also secondary
storage device+
tape cartride (22/)-he type of magnetic tape technology used by mainframes
today
tape library (22#) device that provides automatic access to data archivedon a large collection or library of tapes.
trac! (21')1ings of concentric circles 'ithout visible grooves% part of
ho' files are stored and organied on a fle,ible dis)
;=.
%rite-protection notc (21') slide on a dis)ette that opens and closes. hen closed%
files can be saved to the dis). hen open% files cannot.
4ey -erms (age ? of 6
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Computing Essentials 2008
Chapter 8: Secondary Storage
Crossword Puzzle Answers:
AcrossNum. Clue Answer
$ 7mpro,es ard-dis! per6ormance by anticipatindata needs=
Disk caching
6 $eb-based storae= Internet drie
@ 7n,isible %ede-saped di,ision o6 a trac!= !ector
8 9ortable and remo,able storae de,ice= "lo##y
50 Runs trou eac trac! o6 a stac! o6 platters= Cylinder
55 5o% titly te bits can be pac!ed ne"t to eacoter=
Density
DownNum. Clue Answer
5 Rin o6 concentric circles %itout ,isible roo,es= Track
2 >rouped dis! dri,es treated as one ard dis! by
te computer system=
$AID
? Measures te amount o6 time re:uired to retrie,edata=
Access time
A Represent 1s and 0s= Pits and lands
B Dis! %it '00 times te storae as a standardoppy=
%i#
Num &ulti#le Choice
Answers
&atching
Answers
5 >
2
? C
A