Memory and Storage Questions and Answers

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Q51
How many 1K × 4 RAM chips would be required to build a 1K × 8 memory system?
  • A 2
  • B 4
  • C 8
  • D 16
Answer: Option A
Q52
Digital Electronic-Memory and Storage
  • A SRAM
  • B DRAM
  • C ROM
  • D FIFO
Answer: Option B
Q53
Which of the following faults will the checkerboard pattern test for in RAM?
  • A Short between adjacent cells
  • B Ability to store both 0s and 1s
  • C Dynamically introduced errors between cells
  • D All of the above
Answer: Option D
Q54
On a CD-ROM, ________ are raised areas representing a 1.
  • A mounds
  • B lands
  • C holes
  • D pits
Answer: Option B
Q55
The location of a unit of data in a memory array is called its ________.
  • A storage
  • B RAM
  • C address
  • D data
Answer: Option C
Q56
On a CD-ROM, ________ are recessed areas representing a 0.
  • A mounds
  • B lands
  • C holes
  • D pits
Answer: Option D
Q57
Why is a refresh cycle necessary for a dynamic RAM?
  • A to clear the flip-flops
  • B to set the flip-flops
  • C The refresh cycle discharges the capacitor cells.
  • D The refresh cycle keeps the charge on the capacitor cells.
Answer: Option D
Q58
Which is not a magnetic storage device?
  • A Magnetic disk
  • B Magnetic tape
  • C Magneto-optical disk
  • D Optical disk
Answer: Option D
Q59
The time from the beginning of a read cycle to the end of tACS or tAA is referred to as:
  • A access time
  • B data hold
  • C read cycle time
  • D write enable time
Answer: Option A
Q60
Which of the following memories is volatile?
  • A ROM
  • B EROM
  • C RAM
  • D Flash
Answer: Option C
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