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Digital Electronics

Digital Electronics
1’s complement of 17 is

 11100.
  01110.
 10111.
 10001.

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

 Conversion
 Combinational
 Sequential
 Both A and B

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Digital Electronics
EBCDIC code is a

 8-bit code
 7-bit code
 10-bit code
 5-bit code

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Digital Electronics
Which logic family provide minimum power dissipation

 TTL
 CMOS
 ECL
 JFET

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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

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

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Digital Electronics
How many NOR gates are required to obtain AND operation?

 3
 2
 1
 4

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