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Digital Electronics

Digital Electronics
Among the logic families, the family which can be used at very high frequency greater than 100 MHz in a 4 bit synchronous counter is

TTLLS
ECL
CMOS
TTLAS

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

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

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Digital Electronics
The output of a gate is HIGH when at least one of its inputs is LOW. It is true for

 OR
 NAND
 NOR
 X-OR

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Digital Electronics
The NAND gate is AND gate followed by ___________.

None of these
OR gate
AND gate
NOT gate

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Digital Electronics
In Boolean algebra, OR is represented by

 -
 ×
 +
 /

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

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

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