Memory Devices – Exercise – 1

11. A ………… can be programmed only once after which its contents are permanently fixed as ROM.

(a)  PROM
(b)  PRAM
(c)  SROM
(d)  None of the above

Answer
Answer : (a)
Explanation
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12. Which of the following best describes nonvolatile memory?

(a) memory that retains stored information when electrical power is removed
(b) memory that loses stored information when electrical power is removed
(c) magnetic memory
(d) nonmagnetic memory

Answer
Answer : (a)
Explanation
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13. The access time (tacc) of a memory IC is governed by the IC’s:

(a) internal address buffer
(b) internal address decoder
(c) volatility
(d) internal address decoder and volatility

Answer
Answer : (b)
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14. Which of the following memories uses a MOSFET and a capacitor as its memory cell?

(a) SRAM
(b) DRAM
(c) ROM
(d) DROM

Answer
Answer : (b)
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15. How many storage locations are available when a memory device has twelve address lines?

(a) 144
(b) 512
(c) 2048
(d) 4096

Answer
Answer : (d)
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