Semiconductor Memory MCQs
Practice and Learn through MCQs and Quizzes. W3Definitions.com have 23 Semiconductor Memory MCQs
________ is an example of read/write memory.
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A. PROM
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B. EEPROM
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C. RAM
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D. MROM
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Correct Answer: Option C
A computerized self-diagnostic for a ROM test uses:
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A. the check-sum method
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B. a ROM listing
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C. ROM comparisons
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D. a checkerboard test
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Correct Answer: Option A
A nonvolatile type of memory that can be programmed and erased in sectors, rather than one byte at a time is:
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A. flash memory
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B. EPROM
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C. EEPROM
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D. MPROM
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Correct Answer: Option A
A technique of addressing storage cells on a dynamic RAM that sequentially uses the same inputs for the row and column addresses of the cell is called________.
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A. flash conversion
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B. dynamic refresh
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C. address multiplexing
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D. address strobe
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Correct Answer: Option C
Advantage(s) of an EEPROM over an EPROM is (are):
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A. the EPROM can be erased with ultraviolet light in much less time than an EEPROM
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B. the EEPROM can be erased and reprogrammed without removal from the circuit
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C. the EEPROM has the ability to erase and reprogram individual words
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D. the EEPROM can erase and reprogram individual words without removal from the circuit
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Correct Answer: Option D
How many storage locations are available when a memory device has twelve address lines?
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A. 144
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B. 512
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C. 2048
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D. 4096
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Correct Answer: Option D
In general, _________ are used when a small amount of read/write is required.
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A. EEPROMs
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B. PROMs
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C. SRAMs
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D. DRAMs
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Correct Answer: Option C
Memory that loses its contents when power is lost is:
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A. nonvolatile
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B. volatile
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C. random
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D. static
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Correct Answer: Option B
Refreshing DRAM typically must occur every ________.
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A. 2 s
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B. 2 ms
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C. 8 s
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D. 8 ms
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Correct Answer: Option B
Select the best description of read-only memory (ROM).
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A. nonvolatile, used to store information that changes during system operation
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B. nonvolatile, used to store information that does not change during system operation
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C. volatile, used to store information that changes during system operation
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D. volatile, used to store information that does not change during system operation
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Correct Answer: Option B
Select the best description of the fusible-link PROM.
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A. user programmable, one-time programmable
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B. manufacturer programmable, one-time programmable
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C. user programmable, reprogrammable
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D. manufacturer programmable, reprogrammable
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Correct Answer: Option A
The access time (tacc) of a memory IC is governed by the IC’s:
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A. internal address buffer
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B. internal address decoder
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C. volatility
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D. internal address decoder and volatility
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Correct Answer: Option B
The binary data stored in an EEPROM is___________.
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A. volatile
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B. permanent
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C. refreshed
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D. erasable
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Correct Answer: Option D
The data stored in a Mask ROM (MROM) is ___________.
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A. permanent
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B. volatile
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C. erasable
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D. temporary
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Correct Answer: Option A
The periodic recharging of DRAM memory cells is called ___________.
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A. multiplexing
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B. bootstrapping
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C. refreshing
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D. flashing
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Correct Answer: Option C
The process of entering data into the ROM is called ___________.
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A. burning in
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B. configuration
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C. internal decoding
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D. addressing
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Correct Answer: Option A
The time interval between the memory receiving a new address input and the data being available is called _________.
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A. access time
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B. bus speed
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C. read/write speed
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D. write/data speed
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Correct Answer: Option A
To reduce the number of pins on the IC package, manufacturers often use ___________.
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A. MOSFET architecture
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B. address multiplexing
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C. address decoding
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D. address demultiplexing
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Correct Answer: Option B
What is the principal advantage of using address multiplexing with DRAM memory?
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A. reduced memory access time
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B. reduced requirement for constant refreshing of the memory contents
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C. reduced pin count and decrease in package size
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D. no requirement for a chip-select input line, thereby reducing the pin count
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Correct Answer: Option C
Which of the following best describes nonvolatile memory?
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A. memory that retains stored information when electrical power is removed
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B. memory that loses stored information when electrical power is removed
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C. magnetic memory
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D. nonmagnetic memory
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Correct Answer: Option A
Which of the following best describes static memory devices?
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A. memory devices that are magnetic in nature and do not require constant refreshing
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B. semiconductor memory devices in which stored data is retained as long as power is applied
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C. memory devices that are magnetic in nature and require constant refreshing
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D. semiconductor memory devices in which stored data will not be retained with the power applied unless constantly refreshed
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Correct Answer: Option B
Which of the following memories uses a MOSFET and a capacitor as its memory cell?
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A. SRAM
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B. DRAM
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C. ROM
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D. DROM
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Correct Answer: Option B
Which of the following RAM timing parameters determine(s) its operating speed?
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A. tacc
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B. taa and tacs
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C. t1 and t3
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D. trc and twc
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Correct Answer: Option C