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Digital Electronics

Digital Electronics
A number system with radix 2 is known as

 Binary
 Decimal
 Octal
 Hexadecimal

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

 NAND
 NOR
 AND
 OR

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Digital Electronics
For the design of a combinational circuit with four inputs using only NAND gates, the number of K-maps required for the simplification process is

 0
 1
 4
 2

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Digital Electronics
The following code is not a BCD code.

 all of these
 XS-3 code
 8421 code
 Gray code

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Digital Electronics
The decimal equivalent of hexadecimal number of 2A0F is

 17067
 17670
 10767
 17607

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

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

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