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MCQs

Total Questions : 215 | Page 20 of 22 pages
Question 191. 1. The major advantage of dynamic RAM over static RAM is ________.
  1.    cost
  2.    speed
  3.    storage density
  4.    cost and storage density
 Discuss Question
Answer: Option D. -> cost and storage density
Question 192. 0. In DRAM operations, it is assumed that R/W is in its ________ state during a ________ operation.
  1.    HIGH, read
  2.    Hi-Z, write
  3.    HIGH, write
  4.    Hi-Z, read
 Discuss Question
Answer: Option A. -> HIGH, read
Question 193. 2. The address space of a RAM memory can be expanded using a decoder and additional memory ICs. The output of the decoder should be connected to which input line of the memory?
  1.    The most significant address inputs
  2.    The most significant data inputs
  3.    The read/write line
  4.    The chip enable
 Discuss Question
Answer: Option D. -> The chip enable
Question 194. 4. Dynamic memory is memory ________.
  1.    that will maintain storage even if power is removed
  2.    whose data can never be altered
  3.    that must be refreshed periodically or it will lose storage
  4.    that maintains storage as long as power is applied
 Discuss Question
Answer: Option C. -> that must be refreshed periodically or it will lose storage
Question 195. 5. Because of their nonvolatility, high speed, low power requirements, and lack of moving parts, ________ have become feasible alternatives to magnetic disk storage.
  1.    CD-ROMs
  2.    flash memory modules
  3.    ROMs
  4.    EPROMs
 Discuss Question
Answer: Option B. -> flash memory modules
Question 196. 6. The memory operation that stores data into a memory location after entering a new address is called ________.
  1.    a read cycle
  2.    a write cycle
  3.    a refresh cycle
  4.    chip select
 Discuss Question
Answer: Option B. -> a write cycle
Question 197. 9. Dynamic RAMs store information by using ________.
  1.    magnetism
  2.    flip-flops
  3.    latches
  4.    capacitors
 Discuss Question
Answer: Option D. -> capacitors
Question 198. 1. The periodic recharging of dynamic RAM memory cells is called ________.
  1.    reinstalling
  2.    revitalizing
  3.    refreshing
  4.    reinstating
 Discuss Question
Answer: Option C. -> refreshing
Question 199. 7. A DIMM ________.
  1.    is available in 30-pin or 72-pin packages
  2.    has contact pins on only one side of the module
  3.    has less memory than the newer SIMM modules
  4.    has contact pins on both sides of the module for larger data paths
 Discuss Question
Answer: Option C. -> has less memory than the newer SIMM modules
Question 200. 2. A(n) ________ is user programmable and can also be erased electronically and reprogrammed as often as desired.
  1.    PROM
  2.    ROM
  3.    EEPROM
  4.    EPROM
 Discuss Question
Answer: Option C. -> EEPROM

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