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Digital Electronics

Digital Electronics
The number of 1 in 8-bit representation of 127 in 2’s complement form is m and that in 1,s complement form is n. What is the value of m:n?

 2:1
 1:1
 2:3
 1:2

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

 Sequential
 Combinational
 Conversion
 Both A and B

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Digital Electronics
The terms which cannot be combined further in the tabular method are called

 implicants
 selective prime implicants
 prime implicants
 essential prime implicants

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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

 OR
 NAND
 NOR
 AND

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Digital Electronics
If in a base b number system, 54/4=13, the base of the number is

 9
 8
 7
 6

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Digital Electronics
What is the minimum number of NOR gates required realizing an X-OR gating?

 6
 4
 5
 3

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