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Digital Electronics

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

 3
 2
 1
 4

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Digital Electronics
In SSI, the number of gate circuits per chip is

 < 20
 < 12
 < 25
 < 6

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Digital Electronics
A device which converts decimal number into BCD form is called

 encoder
 decoder
 multiplexer
 code converter

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

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

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Digital Electronics
In simplification of a Boolean function of n variables, a group of 2m adjacent 1s leads to a term with

 m + 1 literals less than the total number of variables
 n + m literals
 m – 1 literals less than the total number of variables
 n – m literals

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Digital Electronics
If a Hexadecimal number needs to convert to binary. For each hexadecimal digit, there will be how many bits

 8
 2
 1
 4

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