Memory and Storage Questions and Answers

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Showing 10 of 131 questions
Q11
Select the statement that best describes Read-Only Memory (ROM).
  • A nonvolatile, used to store information that changes during system operation
  • B nonvolatile, used to store information that does not change during system operation
  • C volatile, used to store information that changes during system operation
  • D volatile, used to store information that does not change during system operation
Answer: Option B
Q12
How many 2K × 8 ROM chips would be required to build a 16K × 8 memory system?
  • A 2
  • B 4
  • C 8
  • D 16
Answer: Option C
Q13
What is the maximum time required before a dynamic RAM must be refreshed?
  • A 2 ms
  • B 4 ms
  • C 8 ms
  • D 10 ms
Answer: Option A
Q14
Which of the following best describes random-access memory (RAM)?
  • A a type of memory in which access time depends on memory location
  • B a type of memory that can be written to only once but can be read from an infinite number of times
  • C a type of memory in which access time is the same for each memory location
  • D mass memory
Answer: Option C
Q15
Why are ROMs called nonvolatile memory?
  • A They lose memory when power is removed.
  • B They do not lose memory when power is removed.
Answer: Option B
Q16
A CD-R disk is created by applying heat to special chemicals on the disk and these chemicals reflect less light than the areas that are not burned, thus creating the same effect as a pit does on a regular CD.
  • A TRUE
  • B FALSE
Answer: Option A
Q17
Which of the following best describes static memory devices?
  • A memory devices that are magnetic in nature and do not require constant refreshing
  • B memory devices that are magnetic in nature and require constant refreshing
  • C semiconductor memory devices in which stored data will not be retained with the power applied unless constantly refreshed
  • D semiconductor memory devices in which stored data is retained as long as power is applied
Answer: Option D
Q18
Which is not a removable drive?
  • A Zip
  • B Jaz
  • C Hard
  • D SuperDisk
Answer: Option C
Q19
Which of the following best describes EPROMs?
  • A EPROMs can be programmed ony once.
  • B EPROMs can be erased by UV.
  • C EPROMs can be erased by shorting all inputs to the ground.
  • D All of the above.
Answer: Option B
Q20
How many storage locations are available when a memory device has 12 address lines?
  • A 144
  • B 512
  • C 2048
  • D 4096
Answer: Option D

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