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Digital Electronics

Digital Electronics
What is the minimum number of two-input NAND gates used to perform the function of 2-input OR gate?

 two
 one
 four
 three

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Digital Electronics
The NOR-NOR realization is equivalent to

 AND-OR realization
 OR-AND realization
 NOT-AND realization
 OR-NOT realization

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Digital Electronics
Dual slope ADC has R = 1 KΩ and C = 0.22 nanofarad has charging and discharge times for some voltage is 9 ns and 3 ns respectively. The reference Voltage is 2.2 V. What is the peak voltage reached by triangular wave during charging?

 90 mV.
 300 mV.
 30 mV.
 900 mV.

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Digital Electronics
If J = K (J and K are shorted) in a JK flip-flop, what circuit is made

 T flip-flop
 Shorted JK flip-flop
 SR flip-flop
 K flip-flop

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Digital Electronics
A byte is equal to ________ bits.

 4
 8
 16
 32

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Digital Electronics
NOT gates are to be added to the inputs of which gate to convert it to a NAND gate?

 OR
 NOT
 X-OR
 AND

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