Module 8: Digital Storage

Undergraduate study No Comments
  1. The chips in RFID tags usually can function as a processor.
    Answer: False
  2. You have been chosen to be a teaching assistant at your school. A student comes to you with questions about storage devices.

    The student asks you to explain speed of storage devices and memory. You tell her that all of the following are true, EXCEPT:

    1. The access time of memory is slow compared with that of storage devices.
    2. Optical discs are good options to store movies and music.
    3. Some manufacturers state a storage device’s transfer rate because it affects access time.
    4. Transfer rates for storage are stated in KBps, MBps, and GBps.
  3. Two types of smart cards are contact and contactless.
    Answer: True
  4. Hard disks are read/write storage media.
    Answer: True
  5. The simplest RAID storage design writes data on two drives at the same time and is called .
    1. duplicating
    2. mirroring
    3. striping
    4. divesting
  6. If you are using a Mac and accidentally delete a file from the hard drive and need to recover it, look in the Recycle Bin.
    Answer: False
  7. is the number of bytes (characters) a storage medium can hold.
    1. Disk dimension
    2. File size
    3. Capability
    4. Capacity
  8. Microsoft OneDrive and Google Drive are examples of storage.
    Answer: cloud
  9. Which of the following is NOT a recommendation when deciding what to upload to the cloud?
    1. Upload financial and insurance documents.
    2. Review your files and remove those you no longer need.
    3. Even if you have access to installation media, back up your programs and apps.
    4. Back up only the files you are sure you will need again in the future.
  10. A(n) drive is comparable to a cassette recorder.
    1. magnetic stripe
    2. SAM
    3. tape
    4. NAS
  11. Tape storage requires access, which refers to reading or writing data consecutively.
    1. successive
    2. continuous
    3. sequential
    4. normal
  12. In RAID level 1, a backup disk exists for each drive.
    Answer: True
  13. is the process of dividing a hard disk into tracks and sectors.
    1. Detachment
    2. Dissection
    3. Fragmentation
    4. Formatting
  14. Identify the letter of the choice that best matches the phrase or definition.
    1. Optical disc that users can read but not write on or erase
      Answer: n. CD-ROM
    2. The operating system marks bad ones as unusable when a disk is formatted
      Answer: l. sectors
    3. Also called a thumb drive
      Answer: i. USB flash drive
    4. A narrow recording band that forms a full circle on the surface of the disk
      Answer: a. track
    5. Sometimes used in descriptions of a storage device’s capabilities, instead of access time
      Answer: j. transfer rate
    6. Optical disc whose quality far surpasses that of CDs
      Answer: b. DVD
    7. Technology that uses radio signals to communicate with a tag placed in or attached to an object, animal, or a person
      Answer: k. RFID
    8. The number of bits in an area on a storage medium
      Answer: c. density
    9. A group of two or more integrated hard disks
      Answer: d. RAID
    10. Administrators can quickly add storage to their network with this kind of device
      Answer: e. NAS
    11. Optical disc on which users can write once, but not erase, their own items
      Answer: o. CD-R
    12. A hard disk that uses parallel signals to transfer data, instructions, and information
      Answer: f. EIDE
    13. A storage device that typically uses flash memory to store data, instructions, and information
      Answer: h. SSD
    14. Its reliability tends to diminish with each successive rewrite
      Answer: m. CD-RW
    15. A type of SCSI that uses serial signals to transfer data, instructions, and information
      Answer: g. SAS
  15. Desktops and traditional laptops usually have an optical disc drive.
    Answer: True
  16. You work part-time at a computer equipment store in the optical disc section.

    A customer asks about differences between CD formats. You tell her that a(n) is an erasable multisession disc users can write on multiple times.

    1. CD-ROM
    2. CD-DVD
    3. CD-R
    4. CD-RW
  17. Which of the following is true about cleaning and fixing scratches on an optical disc?
    1. It is OK to insert a wet disc in a computer.
    2. Hold the can of compressed air upright while blowing excess dust off of the surface.
    3. Use a gel toothpaste on a scratched area if you do not have a rubbing compound.
    4. You should wipe debris off the disc’s surface from the edge toward the center.
  18. SDHC and miniSD are examples of .
    1. controllers
    2. memory cards
    3. USB flash drives
    4. portable hard drives
  19. Which of the following is NOT true about hard disks?
    1. The alignment of the magnetic particles represents the data.
    2. They use magnetic particles to store data, instructions, and information.
    3. They contain one of more inflexible circular platters.
    4. A desktop hard disk is much smaller than that of a laptop.
  20. What occurs during a head crash?
    1. A hard disk attempts to store data into a flawed sector.
    2. The read/write head touches the surface of a platter.
    3. The top platter collapses.
    4. The rpm of the hard disks platters is too high, causing friction.
  21. The defragmentation process reduces the amount of time it takes the hard disk to locate and access the files necessary for programs to run.
    Answer: True
  22. Because of the Sarbanes-Oxley Act, companies have faced new requirements for what?
    1. data storage
    2. federal taxation
    3. outsourcing
    4. network security
  23. Outsourcing is when an enterprise offloads storage management to an outside organization or cloud storage provider.
    Answer: True
  24. Credit cards are a type of stripe card.
    1. encoded
    2. digital
    3. magnetic
    4. electronic
  25. What does a disk’s form factor describe?
    1. operating system
    2. capacity
    3. size
    4. speed
  26. The speed of storage devices and memory is defined by time.
    Answer: access
  27. In an optical disc, the absence of light is read as binary digit 1.
    Answer: False
  28. The process of writing on an optical disc is called .
    Answer: burning
  29. Hard disks, SSDs, and memory cards are all types of devices.
    Answer: storage
  30. For CD-RW, the “RW” stands for .
    Answer: rewritable
  31. Items stored in RAM remain intact even when you turn off a computer or mobile device.
    Answer: False
  32. is the process of transferring data, instructions, and information from memory to a storage medium.
    Answer: Writing
  33. Which type of user is most likely to use a RAID?
    1. small business
    2. enterprise
    3. home
    4. mobile
  34. A(n) is a virtual perimeter or boundary that disables certain apps or cameras in secure areas.
    1. safety gate
    2. defense net
    3. geofence
    4. security zone
  35. is the process of transferring items from a storage medium into memory.
    1. Scanning
    2. Archiving
    3. Reading
    4. Writing
  36. Which of the following best describes the purpose of the Creative Commons?
    1. To provide accessibility guidelines for artwork used on the web
    2. To create a portal of low-cost or free art that can be used by others
    3. To enact legislation to protect artists’ work
    4. To provide standard licensing options for owners of creative works
  37. A(n) hard drive is a separate freestanding storage device that connects with a cable to a USB port or other port on a computer or mobile device.
    Answer: external
  38. is a magnetically coated ribbon of plastic that is capable of storing large amounts of data and information at a low cost.
    Answer: Tape
  39. As it pertains to drives, which of the following best defines the purpose of a controller?
    1. Transfer data, instructions, and information from a drive to and from the system bus and other components
    2. Prioritize actions within a CPU
    3. Support traffic on a small home network
    4. Interact between the operating system and applications
  40. You should not remove a portable flash memory storage while it is in use because the operating system may still be accessing the device.
    Answer: True
  41. Some RAID levels use , which splits data, instructions, and information across multiple drives in the array.
    1. mirroring
    2. divesting
    3. duplicating
    4. striping
  42. Which of the following cloud services does Carbonite provide?
    1. stream music
    2. back up files
    3. write documents
    4. synchronize files
  43. Manufacturers measure optical disc drives relative to the original speed, using an X to denote a transfer rate of KBps.
    1. 5
    2. 150
    3. 500
    4. 1500
  44. CDs and DVDs are examples of types of discs.
    Answer: optical
  45. An optical disc typically stores data, instructions, and information in a single track that spirals from the center of the disc to the edge of the disc.
    Answer: True
  46. A storage appliance has its own IP address.
    Answer: True
  47. A group of two or more integrated hard drives is called a(n) .
    1. duplicate drive
    2. SSD
    3. RAID
    4. multidisk
  48. Continuous data protection is widely used by home and small business users.
    Answer: False
  49. You work part-time at a computer equipment store in the optical disc section.

    A customer asks about DVD formats. You tell her that a(n) is a more expensive DVD format that has higher capacity and better quality.

    1. DVD-RW
    2. DVD-ROM
    3. HD-DVD
    4. Blu-ray
  50. Which of the following is NOT recommended for safe credit card use?
    1. Do not carry extra cards.
    2. Purchase an RFID-proof wallet.
    3. Avoid using cards with photos.
    4. Do not sign a black charge slip.
  51. You have been chosen to be a teaching assistant at your school. A student comes to you with questions about storage devices.

    The student asks you which type of storage device is best to store the operating system and applications. You tell her that a(n) is a good option.

    1. Memory card
    2. USB flash drive
    3. SSD
    4. Optical disc
  52. A storage medium is also called primary storage.
    Answer: False
  53. A gigabyte is approximately 1 bytes.
    1. thousand
    2. million
    3. billion
    4. trillion
  54. is the number of bits in an area on a storage medium.
    Answer: Density
  55. Thumb drive is another term for a(n) .
    1. SSD
    2. USB flash drive
    3. memory stick
    4. memory card
  56. A land causes light to reflect, while a(n) absorbs light.
    Answer: pit
  57. The transfer rate of external hard drives usually is slower than that of internal hard drives.
    Answer: True
  58. Because the user accesses files on cloud storage through a browser using an app from the storage provider, the actual media on which the files are stored are transparent to the user.
    Answer: True
  59. NFC is a technology that uses close-range radio signals to transmit data between devices or a device and a tag.
    Answer: True
  60. A(n) backup sometimes is called an archival backup.
    Answer: full
  61. Which of the following best describes the term, redundancy, as it pertains to enterprise businesses?
    1. If one hardware component fails or malfunctions, another can assume its tasks
    2. When hardware or software becomes obsolete and is replaced with newer models
    3. The use of external consultants who provide the same tasks as internal employees
    4. When employees unknowingly duplicate data entry in a database
  62. Blu-ray players are backwards compatible with DVD and CD formats.
    Answer: True
  63. With serial transfers, data is sent one bit at a time. transfers send several bits at once.
    Answer: Parallel
  64. A(n) backup copies only the files that have changed since the last full backup.
    1. archival
    2. selective
    3. differential
    4. partial
  65. A(n) backup sometimes is called a partial backup.
    Answer: selective
  66. EIDE is an interface that uses parallel signals to transfer data, instructions, and information.
    Answer: True
  67. Hard drives and flash memory storage use direct access storage techniques.
    Answer: True
  68. With a personal cloud, your files are stored on a server on the Internet that stores only just your files and is maintained by a cloud storage provider.
    Answer: False
  69. A(n) is a narrow recording band that forms a full circle on the surface of a hard disk.
    Answer: track
  70. Optical discs store items by using microscopic (indentations) and (flat areas).
    1. bumps/smooths
    2. holes/levels
    3. pits/lands
    4. dents/mesas
  71. A(n) is a flash memory storage device that contains its own processor to manage its storage.
    1. optical disc
    2. SSD
    3. magnetic hard disk
    4. thumb drive
  72. A megabyte is approximately 1 bytes.
    1. thousand
    2. million
    3. billion
    4. trillion
  73. The total number of items that can be stored on a gigabyte will vary, depending on file size, quality of media, and other factors.
    Answer: True
  74. SSDs typically have higher storage capacities than hard disks.
    Answer: False
  75. A SAN is a high-speed network with the sole purpose of providing storage to other attached .
    1. security systems
    2. storage devices
    3. servers
    4. smart devices
  76. Perpendicular recording aligns the magnetic particles horizontally around the surface of the hard disk.
    Answer: False
  77. Which of the following is NOT true about SSDs?
    1. Some computers have both a hard disk and an SSD.
    2. SSDs have slower access times than hard disks.
    3. Defragmentation is not required.
    4. SSDs are quieter than hard disks.
  78. The term hard drive refers collectively to hard disks and .
    1. SSDs
    2. optical discs
    3. memory cards
    4. USB flash drives
  79. Which of the following cloud services does Evernote provide?
    1. back up files
    2. write documents
    3. synchronize files
    4. stream music
  80. SAS is a type of SCSI that uses signals to transfer data, instructions, and information.
    1. serial
    2. vertical
    3. parallel
    4. analog

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