Discovering Computers 2016: Chapter 8

Front 1

What kind of storage is an Internet service that provides storage to computer or mobile users?

• encrypted
  
• shared
  
• net
  
• cloud
  

Back 1

Answer: cloud

Front 2

Which of the following kinds of interfaces sends data one bit at a time?

• parallel
• SCSI
• serial
• EIDE
  

Back 2

Answer: serial

Front 3

What kind of controller uses serial signals to transfer data, instructions, and information?

• EIDE
• SCSI
• SATA
• SAS
  

Back 3

Answer: SATA

Front 4

Which of the following does NOT use direct access?

• flash memory storage
• optical discs
• hard disks
• tape
  

Back 4

Answer: tape

Front 5

Which of the following devices is the computer hardware that records and/or retrieves items to and from a flash drive or external hard drive, for example?

• concatenation
• resolved
• storage
• indexed
  

Back 5

Answer: storage

Front 6

Which of the following is a high-capacity optical disc on which users can read but not write or erase?

• Blu-ray
• DVD-ROM
• DVD-R
• DVD-RW
  

Back 6

Answer: DVD-ROM

Front 7

Because a CD-R can be written on only one time, the format of these discs sometimes is called ____?

• Blu-ray
• WORM
• ROM
• Photo disc
  

Back 7

Answer: WORM (write once, read many)

Front 8

Which of the following kinds of backup is another name for a selective backup?

• archival
• partial
• continuous
• incremental
  

Back 8

Answer: partial

Front 9

You are looking for a way to choose specific files to back up, regardless of whether or not the files have changed since the last incremental backup. Which of the following will you use?

• selective backup
• full backup
• archival backup
• differential backup
  

Back 9

Answer: selective backup

Front 10

Which of the following is true of SSDs compared to traditional hard disks?

• SSDs generate more heat.
• SSDs have lower storage capacities.
• SSDs have faster transfer rates.
• SSDs have a shorter life.
  

Back 10

Answer: SSDs have faster transfer rates.

Front 11

Which of the following terms is the number of bytes (characters) a storage medium can hold?

• dimensionality
• capacity
• retention
• resolution
  

Back 11

Answer: capacity

Front 12

Which of the following is NOT a common type of memory card?

• SDXC
• SDHC
• Memory Stick PRO Duo
• MX6
  

Back 12

Answer: MX6

Front 13

What best describes an optical disc?

• a storage device used for digital cameras
• a disc made of metal, plastic, and lacquer that can add additional hard drive storage
• flat, round portable disc that is written and read by a laser
• a portable device made for photographs and other visual file types
  

Back 13

Answer:

flat, round portable disc that is written and read by a laser.

Front 14

What happens when a computer or mobile device starts up?

• The computer locates operating system in storage and loads it into RAM.
• The computer opens application software from ROM.
• The computer searches for instructions in RAM.
• The computer accesses the memory and loads a program such as a word processing program.
  

Back 14

Answer:

The computer locates operating system in storage and loads it into RAM.

Front 15

What term refers to the amount of time it takes a storage device to locate an item on a storage medium?

• capacity time
• recall time
• transfer time
• access time
  

Back 15

Answer: access time

Front 16

You are looking for an RFID tag that does not contain a battery because you want one that is small enough to be embedded in skin. Which of the following will you use?

• passive RFID tag
• embedded RFID tag
• active RFID tag
• contact RFID tag
  

Back 16

Answer: Passive RFID tag

Front 17

Which of the following statements is not true about solid state media?

• Flash memory chips are a type of solid state media.
• They are more durable and shock resistant than other types of media.
• They contain moving parts.
• They consist entirely of electronic components, such as integrated circuits.
  

Back 17

Answer: They contain moving parts.

Front 18

What is being measured using KBps, MBps, and GBps?

• capacity rate
• transfer rate
• access time
• recall time
  

Back 18

Answer: transfer rate

Front 19

Which of the following is NOT a cloud storage provider that places a folder on your computer with contents you can synchronize across multiple devices?

• Dropbox
• CloudDrive
• Google Drive
• OneDrive
  

Back 19

Answer: CloudDrive

Front 20

Which of the following can be used to store a prepaid amount of money, such as for student purchases on campus?

• ExpressCards
• floppy disks
• smart cards
• hard disks
  

Back 20

Answer: smart cards

Front 21

A DVD-ROM uses all of the following to achieve a higher storage capacity than a CD-ROM EXCEPT ____.

• making the disc double-sided
• making the disc single-session
• making the disc denser by packing the pits closer together
• using two layers of pits
  

Back 21

Answer: making the disc single-session

Front 22

When storage devices write data, instructions, and information on storage media, they are creating output. What best describes the process of writing data?

• receiving input and translating it into computer language
• transferring items from memory to a storage medium
• retrieving items from a storage medium to the operating system
• using a word processor to input data to a file
  

Back 22

Answer:

transferring items from memory to a storage medium.

Front 23

What do discs, like the kind shown in the accompanying figure, usually measure?

• 4.75 inches in diameter and less than one-twentieth of an inch thick
• 4.75 inches in diameter and more than one-twentieth of an inch thick
• 3.5 inches in diameter and more than one-twentieth of an inch thick
• 3.5 inches in diameter and less than one-twentieth of an inch thick
  

Back 23

Answer:

4.75 inches in diameter and less than one-twentieth of an inch thick.

Front 24

Which of the following disc types can be written onto, but not erased?

• CD-RW
  
• CD-X
  
• CD-ROM
  
• CD-R
  

Back 24

Answer: CD-R

Front 25

Which RAID level technique splits data, instructions, and information across multiple disks in the array?

• mirroring
• striping
• differentiation
• archiving
  

Back 25

Answer: striping

Front 26

The process of copying audio and/or video data from a purchased disc and saving it on digital media is called ____.

• burning
• ripping
• grabbing
• storing
  

Back 26

Answer: ripping

Front 27

Which of the following is true of tape?

• It is used as a primary method of storage and for long-term storage and backup.
• It is no longer used as a primary method of storage or for long-term storage and backup.
• It is no longer used for long-term storage and backup but is used most often as a primary method of storage.
• It is no longer used as a primary method of storage but is used most often for long-term storage and backup.
  

Back 27

Answer:

It is no longer used as a primary method of storage but is used most often for long-term storage and backup.

Front 28

Which of the following is a device that reads from and writes on memory cards?

• reader/writer
• access port
• access stick
• restorer
  

Back 28

Answer: reader/writer

Front 29

What is storage media?

• The physical material on which a computer keeps data, instructions, and information.
• The data and information stored on a computer.
• The hardware that records and retrieves items from storage.
• The software used to display items in storage.
  

Back 29

Answer:

The physical material on which a computer keeps data, instructions, and information.

Front 30

Which of the following is NOT true about caring for optical discs?

• Moisten a nonabrasive cloth with warm water and ammonia to clean the disc.
• Never bend a disc.
• Store optical discs in jewel boxes and store them vertically.
• Do not expose discs to extreme temperatures or humidity.
  

Back 30

Answer:

Moisten a nonabrasive cloth with warm water and ammonia to clean the disc

Front 31

Which term is used to describe large businesses that require special hardware geared for heavy use, and maximum availability and efficiency to fit the needs of their hundreds or thousands of workers?

• power player
  
• enterprise
  
• global giant
  
• high-traffic
  

Back 31

Answer: enterprise

Front 32

What is the usual rate of speed for the platters in a hard disk?

• 2,000 to 4,000 rpm
  
• 5,400 to 15,000 rpm
  
• 12,000 to 25,000 rpm
  
• 24,500 to 36,000 rpm
  

Back 32

Answer: 5,400 to 15,000 rpm

Front 33

Optical disc that users can read but not write on or erase

Back 33

Answer: CD-ROM