Electronics and Communication Engineering - Electronic Devices and Circuits

16.
Semiconductor ROM's are sometimes preferred to semiconductor RAM's because
ROM's are cheaper than RAMs
ROMs are faster
ROMs do not require power supply for their operations
Programs stored in ROMs cannot be altered either by the power failure or by the user
Answer: Option
Explanation:
No answer description is available. Let's discuss.

17.
RAMs can be built with bipolar or CMOS transistor RAMs that are not possible with bipolar transistors are
SRAM
SRAM, DRAM
DRAM
PROM
Answer: Option
Explanation:
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18.
RS latch can be built with
NOR gates
NAND gates
NOR or NAND gates
none of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.

19.
In D-type FF, Preset (Pr) and clear (Clr) inputs are called
Synchronous
Asynchronous
Data
None
Answer: Option
Explanation:
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20.
Which memory is available in all technologies?
PROM
EEPROM
ROM
EPROM
Answer: Option
Explanation:
No answer description is available. Let's discuss.