Electronics-Semiconductor Memory

Electronics-Semiconductor Memory
1. A computerized self-diagnostic for a ROM test uses:
  • the check-sum method
  • a ROM listing
  • ROM comparisons
  • a checkerboard test
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2. How many storage locations are available when a memory device has twelve address lines?
  • 144
  • 512
  • 2048
  • 4096
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3. Which of the following memories uses a MOSFET and a capacitor as its memory cell?
  • SRAM
  • DRAM
  • ROM
  • DROM
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4. Which of the following best describes nonvolatile memory?
  • memory that retains stored information when electrical power is removed
  • memory that loses stored information when electrical power is removed
  • magnetic memory
  • nonmagnetic memory
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5. The access time (tacc) of a memory IC is governed by the IC's:
  • internal address buffer
  • internal address decoder
  • volatility
  • internal address decoder and volatility
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6. Select the best description of read-only memory (ROM).
  • nonvolatile, used to store information that changes during system operation
  • nonvolatile, used to store information that does not change during system operation
  • volatile, used to store information that changes during system operation
  • volatile, used to store information that does not change during system operation
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7. Advantage(s) of an EEPROM over an EPROM is (are):
  • the EPROM can be erased with ultraviolet light in much less time than an EEPROM
  • the EEPROM can be erased and reprogrammed without removal from the circuit
  • the EEPROM has the ability to erase and reprogram individual words
  • the EEPROM can erase and reprogram individual words without removal from the circuit
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8. Select the best description of the fusible-link PROM.
  • user programmable, one-time programmable
  • manufacturer programmable, one-time programmable
  • user programmable, reprogrammable
  • manufacturer programmable, reprogrammable
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9. A nonvolatile type of memory that can be programmed and erased in sectors, rather than one byte at a time is:
  • flash memory
  • EPROM
  • EEPROM
  • MPROM
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10. Which of the following best describes static memory devices?
  • memory devices that are magnetic in nature and do not require constant refreshing
  • semiconductor memory devices in which stored data is retained as long as power is applied
  • memory devices that are magnetic in nature and require constant refreshing
  • semiconductor memory devices in which stored data will not be retained with the power applied unless constantly refreshed
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Electronics
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