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Digital Electronics

Digital Electronics
The logic expression A + B can be implemented by giving inputs A and B to a two-input

 NAND gate
 X-NOR gate
 NOR gate
 X-OR gate

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Digital Electronics
In a read-only memory information can be stored

 by the user only once during its life time
 by the user a number of times
 in any of the above ways depending upon the type of memory
 at the time of fabrication

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Digital Electronics
When will be the output of a NOT gate is LOW ?

 the input is HIGH.
 the input is LOW.
None of these
 the input is HIGH and LOW.

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Digital Electronics
Which of the following memories uses one transistor and one capacitor as basic memory unit

 Both SRAM and DRAM
 None
 SRAM
 DRAM

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Digital Electronics
A combinational circuit can be designed using only

 OR and X-NOR gates
 NOR gates
 OR gates
 AND gates

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Digital Electronics
Latches are ________ circuits.

 count triggered
 pulse triggered
 edge triggered
 level triggered

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