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Digital Electronics

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

 Sequential
 Both A and B
 Combinational
 Conversion

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Digital Electronics
The AND-OR realization of a combinational circuit requires three 3-input AND gates and one 3-input OR gate. This circuit can be designed using

 three 3-input NAND gates and one 3-input NOR gate
 three 3-input OR gates and one 3-input AND gate
 four input NAND gates only
None of these

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Digital Electronics
The process of entering information in EPROM is commonly known as

 writing
 programming
None of these
 storing

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Digital Electronics
An n variable K-map can have

 n2 cells
  nn cells
 n2n cells
 2n cells

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Digital Electronics
For a code to be self-complementing, the sum of all its weights must be

 12
 10
 9
 6

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

 NAND
 NOT
 OR
 AND

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