计算机专业英语Chapter007.docx

1、计算机专业英语Chapter007Multiple Choice Questions1.Hard disks store and organize files using all the following, except:A.tracksB.sectorsC.cylindersD.paths2.Which of the following is true about an internal hard disk?A.Variable amount of storageB.Fixed amount of storageC.PortableD.Slow3.On a hard disk each t

2、rack is divided into invisible wedge-shaped sections called:A.bitsB.plattersC.cylindersD.sectors4.The hard disks disk surface is scratched and some or all of the data is destroyed when there is a:A.head crashB.cylinder crashC.track crashD.sector crash5.Which of the following is not an example of sec

3、ondary storage?A.External hard drivesB.RAIDC.RAMD.Flash drives6.An external hard disk:A.is heavy.B.is hard to remove.C.cannot be used in addition to an internal hard disk.D.usually connects to a USB or FireWire port.7.Storage that retains its data after the power is turned off is referred to as:A.vo

4、latile storage.B.sequential storage.C.direct storage.D.nonvolatile storage.8.The process of accessing information from secondary storage devices is referred to as:A.backing up.B.restoring.C.writing.D.reading.9.The _ of a secondary storage device indicates how much data the storage medium can hold.A.

5、accessB.capacityC.memoryD.storage10.Which of the following measures the amount of time required by the storage device to retrieve data and programs?A.Nonvolatile mediaB.CapacityC.Access speedD.RAM11.One way to improve the storage capacity of a hard disk is to:A.format often.B.use file compression.C.

6、increase memory.D.use disk caching.12.This process improves system performance by acting as a temporary high-speed holding area between a secondary storage device and the CPU.A.Data compressionB.Data accessC.Disk cachingD.RAID13.Which of the following characteristics about RAID is incorrect?A.expand

7、ed storage capabilityB.fast access speedC.highly reliableD.one high-capacity hard disk drive14.Three ways to improve the performance of a hard disk include:A.disk caching, RAID, and file expansion.B.file compression, disk caching, and file encryption.C.disk caching, RAID, and file compression.D.RAID

8、, file compression and disk expansion.15.Which of these is not an example of solid state storage?A.Digital versatile discB.SSDsC.Flash memory cardsD.USB drives16.Smartphones use which of these storage technologies?A.Optical driveB.Solid state driveC.Flash memory cardD.Flash drive17.Optical discs use

9、 these to represent data.A.Analog signalsB.Magnetic chargesC.Pits and landsD.Laser beams18.A CD-RW disc:A.can be written to only once.B.can be erased and rewritten.C.cannot be written on.D.cannot be erased.19.All of the following are true of DVD-ROM drives except:A.They are also known as erasable op

10、tical discs.B.They can provide over two hours of high-quality video and sound comparable to that found in motion picture theatres.C.They are a type of optical disc.D.DVD-ROM stands for digital versatile discread only memory.20.The standard for high definition optical discs is:A.DVD-RAMB.HD DVDC.Blu-

11、rayD.HD CD21.These discs have a capacity of 50 gigabytes on one side.A.HD DVDB.CDC.DVDD.Blu-Ray22.Solid-state storage devices are different than hard disks in that they:A.have no moving parts.B.have a higher capacity.C.have greater access speed.D.are volatile.23.What is it called when servers on the

12、 Internet supply applications as a service, rather than a product?A.Digital versatile computingB.Service computingC.Cloud computingD.Optical computing24.This allows you to upload and store documents on the Internet.A.Cloud storageB.Flash driveC.Solid State storageD.Hard Disk drive25.Which of these i

13、s not a mass storage device?A.RAID systemB.File serverC.Optical discD.Organizational cloud storageTrue / False Questions26.Media are the actual physical material that holds the data and programs.TrueFalse27.The process of saving information to a secondary storage device is referred to as embedding.T

14、rueFalse28.Secondary storage provides temporary or volatile storage.TrueFalse29.Hard disks use tracks, sectors, and cylinders to store and organize files.TrueFalse30.A smoke particle, fingerprint, dust, or human hair could cause a hard disk head crash.TrueFalse31.A hard crash typically occurs on an

15、optical disk when it makes contact with particles on its surface.TrueFalse32.External hard drives are used primarily to complement an internal hard disk.TrueFalse33.External hard disks use different technology than internal hard disks.TrueFalse34.Disk caching improves hard-disk performance by compre

16、ssing files.TrueFalse35.Disk caching uses a combination of hardware and software.TrueFalse36.RAID connects several inexpensive hard-disk drives to one another.TrueFalse37.File compression is only available on hard disk drives.TrueFalse38.CD-ROMs are often used to archive data and to record music dow

17、nloaded from the Internet.TrueFalse39.DVDs have replaced CDs as the standard optical disc.TrueFalse40.Blu-ray Discs are the high definition standard and have a far greater capacity than DVDs.TrueFalse41.Facebook is an example of cloud storage.TrueFalse42.If you have used Google Docs to create a word

18、 processing document, you have used cloud computing.TrueFalse43.In order to access your documents and files that are stored in the cloud, you must have an Internet connection.TrueFalse44.Mass storage devices are specialized high-capacity secondary storage devices designed to store large amounts of d

19、ata for an organization.TrueFalse45.File servers are appropriate devices to use in an enterprise storage system.TrueFalseFill in the Blank Questions46._ speed is the measure of the amount of time required by a storage device to retrieve data and programs._47.Tracks are divided into invisible wedge-s

20、haped sections called _._48.Disk _ improves hard-disk performance by anticipating data needs and reducing time to access data from secondary storage._49.A(n) _ hard disk is typically connected to a USB or FireWire port._50.A _ occurs when a read/write head makes contact with the hard disks surface o

21、r with particles on its surface._51.File _ programs scan files for ways to reduce the amount of required storage._52.File _ expands compressed files._53.Due to its expanded storage capability, fast access speed, and high reliability, _ is often used by Internet servers and large organizations._54.US

22、B drives are also known as _ drives._55._ memory cards are a form of a solid-state storage device widely used in smartphones, digital media players and GPS navigation systems._56.CD-ROM is an example of a(n) _ type of storage medium._57.DVD + R and DVD-R both stand for DVD _._58.Typically a microcom

23、puter uses an _ hard disk to store the operating system and software applications._59.DVD stands for digital versatile disc or digital _ disc._60.The hi-def standard for optical discs is the _ Disc._61.Three common storage options discussed in your text are hard disk, _, and solid-state storage._62.

24、With _, or online storage, you can access your files from any computer with an Internet connection._63.A good way to share files with others is to use a _, or online, storage service._64.Most large organizations store data through a strategy called a(n) _ to promote efficient and safe use of data ac

25、ross the networks within their organizations._Essay Questions65.Discuss the importance and uses of secondary storage devices.66.List and explain some of the important characteristics of secondary storage.67.What causes a head crash to occur?68.Describe a RAID.69.What is solid-state storage? Give exa

26、mples.70.Briefly discuss the differences between CD, DVD, and Blu-ray discs.71.Describe how file compression works. Explain the advantages of file compression.72.Describe some of the advantages and disadvantages of using cloud computing and cloud storage.73.Describe some of the mass storage devices that support an enterprise storage system.74.What is a storage area network? Multiple Choice Questions1.(p.189)Hard disks store and organize