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Digital Electronics

Digital Electronics
A bubbled AND gate is equivalent to a

 NAND gate
 X-OR gate
 NOR gate
 OR gate

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Digital Electronics
The voltage levels for positive logic system

 must necessarily be 0 V and 5 V
 may be positive or negative
 must necessarily be positive
 must necessarily be negative

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Digital Electronics
In the toggle mode a JK flip-flop has

 J = 1, K = 1.
 J = 0, K = 0.
 J = 1, K = 0.
 J = 0, K = 1.

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Digital Electronics
Complement of XNOR and NOR is ________ and ________ respectively.

 OR, NOR
 XOR, OR
 NOR, XNOR
 XOR, NOR

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Digital Electronics
The time required for a gate to change its output is called as

 Decay time
 run time
 propagation time
 start time

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Digital Electronics
In an SR latch built from NOR gates, which condition is not allowed

 S=1, R=1
 S=0, R=0
 S=1, R=0
 S=0, R=1

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