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Digital Electronics

Digital Electronics
To get an excess-3 code from BCD code

 0110 is subtracted
 0011 is added
 0011 is subtracted
 0110 is added

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Digital Electronics
At which the digital data can be applied to a a gate is known as ________ frequency.

 Truth
 Propagation
 Run-time
 Operating

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Digital Electronics
An n variable K-map can have

 n2 cells
 n2n cells
  nn cells
 2n cells

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Digital Electronics
The voltage levels for negative logic system

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

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Digital Electronics
Which circuit is used in between two systems having two different codes

 Both A and B
 Combinational
 Conversion
 Sequential

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Digital Electronics
Which of the logical operations is represented by the + sign in Boolean algebra ?

 NOT
 AND
 OR
 NAND

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