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
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
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
14. Which of the following memories uses a MOSFET and a capacitor as its memory cell?
(a) SRAM
(b) DRAM
(c) ROM
(d) DROM
15. How many storage locations are available when a memory device has twelve address lines?
(a) 144
(b) 512
(c) 2048
(d) 4096
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