7th Class Computers Science Characteristics of Memory Devices Question Bank

done Memory and Storage Devices Total Questions - 20

• question_answer1)
  Digits used to represent characters in computer's memory are collectively called as _______.
  A)
  Bits done clear
  B)
                                Pits done clear
  C)
  Pixels                        done clear
  D)
     Dpi done clear
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• question_answer2)
  Which of the following data storage device includes flash memory with a USB interface?
  A)
  Jump drive done clear
  B)
  Optical disc drive done clear
  C)
  Magnetic disk drive done clear
  D)
  Floppy disk drive done clear
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• question_answer3)
  A __________ can hold up to 25 times more data than a CD-ROM.
  A)
  CD-R done clear
  B)
  CD-RW done clear
  C)
  DVD-ROM done clear
  D)
  Both [A] and [B] done clear
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• question_answer4)
  ___________ is a data storage device user integrated circuit assemblies as memory to store data persistently.
  A)
  CD-ROM       done clear
  B)
  Tape drive done clear
  C)
  SSD                  done clear
  D)
  DVD done clear
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• question_answer5)
  A memory card ________.
  A)
  Has a fixed storage capacity done clear
  B)
  Is small circular plastic card done clear
  C)
  Is a volatile storage medium done clear
  D)
  All of these done clear
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• question_answer6)

  You are not able to work with images on your computer. You are also not able to run several programs easily on your computer. Your computer keeps giving messages like "Insufficient Memory for this Operation".

  Upgrading which of the following components may solve the above problem?

  A)
  RAM                            done clear
  B)
  Processor done clear
  C)
  CD drive                    done clear
  D)
     Sound card done clear
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• question_answer7)
  In which of the following storage devices the access time varies according to the storage location?
  A)
  Random access storage device done clear
  B)
  Sequential access storage device done clear
  C)
  Primary access storage device done clear
  D)
  Secondary access storage device done clear
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• question_answer8)
  Identify the following:

  - It is typically integrated directly within the CPU chip.

  - It improves processing by acting as a temporary high speed holding area between the main memory and CPU.

  A)
  RAM                 done clear
  B)
  CD done clear
  C)
  ROM                 done clear
  D)
  Cache Memory done clear
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• question_answer9)
  Which of the following statements is INCORRECT about EPROM?
  A)
  EPROM stands for Erasable Programmable Read Only Memory. done clear
  B)
  It is volatile in nature. done clear
  C)
  It comes in several sizes and storage capacities. done clear
  D)
  Its data can be erased and new data can also be added to it. done clear
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• question_answer10)
  What is the significance of dual layer optical disc over single layer disc?
  A)
  It stores significantly more data. done clear
  B)
  It is smaller in size. done clear
  C)
  It provides data compression. done clear
  D)
  It is possible to write data in dual layer disc whereas in single layer disc, it was not. done clear
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• question_answer11)
  When evaluating magnetic tapes, which of the following statements does not hold true?
  A)
  Data on a tape is accessed and processed sequentially. done clear
  B)
  It is a secondary storage device. done clear
  C)
  It is the fastest medium for storing and accessing data. done clear
  D)
  The surface can record data by magnetization. done clear
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• question_answer12)
  Match the following.

  Column - I	Column - II
  (a) Hard disk	(i)
  (b) SD Memory card	(ii)
  (c) Optical Disc	(iii)
  (d) CD drive	(iv)

   
  A)
  (a) - (i), (b) - (ii), (c) - (iv), (d) - (iii) done clear
  B)
  (a) - (iii), (b) - (iv), (c) - (ii), (d) - (i) done clear
  C)
  (a) - (i), (b) - (iv), (c) - (ii), (d) - (iii) done clear
  D)
  (a) - (iii), (b) - (ii), (c) - (iv), (d) - (i) done clear
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• question_answer13)
  Which of the following is an online storage service?
  A)
    done clear
  B)
                          done clear
  C)
                           done clear
  D)
    done clear
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• question_answer14)
  Platters are rotating discs which are used to store data magnetically. In which of the following storage devices, they are found?
  A)
              done clear
  B)
    done clear
  C)
    done clear
  D)
    done clear
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• question_answer15)
  Which of the following cannot be used for mass storage of digital data?
  A)
  Hard disk drive done clear
  B)
  RAM done clear
  C)
  Optical disc drive done clear
  D)
  Optical jukebox done clear
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• question_answer16)
  Identify the following:

  - It is used as main memory in personal computers.

  - Inside its chip, each memory holds one bit of information.

  - It is made up of two parts, a transistor and a capacitor.

  A)
  Dynamic RAM done clear
  B)
  Static RAM done clear
  C)
  Video RAM done clear
  D)
  Audio RAM done clear
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• question_answer17)
  Which of the following statements is INCORRECT about an SD card?
  A)
  You can lock/unlock the write operation using the write protection notch. done clear
  B)
  A direction notch on the card indicates which side should be inserted first in the electronic equipment. done clear
  C)
  It is temporary or volatile memory. done clear
  D)
  The label of the memory card contains vendor identification. done clear
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• question_answer18)
  Which of the following is NOT a difference between Blu-ray disc and DVD?
  A)
  The quality of audio and video recorded on Blu-ray disc is higher than DVDs. done clear
  B)
  Read only memory type is not available in Blu-ray disc whereas DVD supports read only memory,        done clear
  C)
  Blu-ray disc uses violet-blue laser, whereas DVD uses red laser. done clear
  D)
  A single layer blu-ray disc can store upto 25 GB data whereas a single layer DVD can store only 4.7 GB of data. done clear
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• question_answer19)
  Identify the following:

  - It is a portable storage device.

  - It needs to be spinned to read data stored on it.

  - It has a single spiral track

  A)
    done clear
  B)
    done clear
  C)
     done clear
  D)
           done clear
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• question_answer20)
  What is the role of an actuator in a hard-disk drive?
  A)
  It moves the read-write arm. done clear
  B)
  It magnetize the platter. done clear
  C)
  It rotates the platter at high speed. done clear
  D)
  It controls the flow of data to and from the platter. done clear
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