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MCQs

Total Questions : 215 | Page 16 of 22 pages
Question 151. . What is the principal advantage of using address multiplexing with DRAM memory?
  1.    reduced memory access time
  2.    reduced requirement for constant refreshing of the memory contents
  3.    reduced pin count and decrease in package size
  4.    It eliminates the requirement for a chip-select input line, thereby reducing the pin count.
 Discuss Question
Answer: Option C. -> reduced pin count and decrease in package size
Question 152. . How many 8 k × 1 RAMs are required to achieve a memory with a word capacity of 8 k and a word length of eight bits?
  1.    Eight
  2.    Four
  3.    Two
  4.    One
 Discuss Question
Answer: Option A. -> Eight
Question 153. . The bit capacity of a memory that has 2048 addresses and can store 8 bits at each address is ________.
  1.    4096
  2.    8129
  3.    16358
  4.    32768
 Discuss Question
Answer: Option C. -> 16358
Question 154. . The mask ROM is ________.
  1.    MOS technology
  2.    diode technology
  3.    resistor-diode technology
  4.    DROM technology
 Discuss Question
Answer: Option A. -> MOS technology
Question 155. . The smallest unit of binary data is the ________.
  1.    bit
  2.    nibble
  3.    byte
  4.    word
 Discuss Question
Answer: Option A. -> bit
Question 156. . How can UV erasable PROMs be recognized?
  1.    There is a small window on the chip.
  2.    They will have a small violet dot next to the #1 pin.
  3.    Their part number always starts with a "U", such as in U12.
  4.    They are not readily identifiable, since they must always be kept under a small cover.
 Discuss Question
Answer: Option A. -> There is a small window on the chip.
Question 157. . Which of the following is not a flash memory mode or operation?
  1.    Burst
  2.    Read
  3.    Erase
  4.    Programming
 Discuss Question
Answer: Option A. -> Burst
Question 158. . What part of a Flash memory architecture manages all chip functions?
  1.    I/O pins
  2.    floating-gate MOSFET
  3.    command code
  4.    program verify code
 Discuss Question
Answer: Option B. -> floating-gate MOSFET
Question 159. . Select the statement that best describes the fusible-link PROM.
  1.    user-programmable, one-time programmable
  2.    manufacturer-programmable, one-time programmable
  3.    user-programmable, reprogrammable
  4.    manufacturer-programmable, reprogrammable
 Discuss Question
Answer: Option A. -> user-programmable, one-time programmable
Question 160. . An 8-bit address code can select ________.
  1.    8 locations in memory
  2.    256 locations in memory
  3.    65,536 locations in memory
  4.    131,072 locations in memory
 Discuss Question
Answer: Option B. -> 256 locations in memory

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