26. Memory that loses its contents when power is lost is:
(a) nonvolatile
(b) volatile
(c) random
(d) static
27. Select the best description of read-only memory (ROM).
(a) nonvolatile, used to store information that changes during system operation
(b) nonvolatile, used to store information that does not change during system operation
(c) volatile, used to store information that changes during system operation
(d) volatile, used to store information that does not change during system operation
28. Select the best description of the fusible-link PROM.
(a) user programmable, one-time programmable
(b) manufacturer programmable, one-time programmable
(c) user programmable, reprogrammable
(d) manufacturer programmable, reprogrammable
29. Advantage(s) of an EEPROM over an EPROM is (are):
(a) the EPROM can be erased with ultraviolet light in much less time than an EEPROM
(b) the EEPROM can be erased and reprogrammed without removal from the circuit
(c) the EEPROM has the ability to erase and reprogram individual words
(d) the EEPROM can erase and reprogram individual words without removal from the circuit
30. The periodic recharging of DRAM memory cells is called ___________.
(a) multiplexing
(b) bootstrapping
(c) refreshing
(d) flashing
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