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Digital Electronics

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

 < 50
 < 500
 12 to 99
 50 to 100

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Digital Electronics
An any or all gate is the other name of

 X-NOR gate
 OR gate
 AND gate
 X-OR gate

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

 6
 5
 4
 3

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Digital Electronics
Which one of the following is an invalid state in 8-4-2-1 binary coded decimal counter

 1001
 0011
 1100
 1000

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Digital Electronics
The maximum positive and negative numbers which can be represented in two’s complement form using n bits are respectively,

 +2n-1,-2n-1
 +(2n-1-1),-2n-1
 +(2n-1-1),-(2n-1-1)
 +2n-1,-(2n-1+1)

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Digital Electronics
The output of a gate is LOW if and only if all its inputs are HIGH. It is true for

 X-NOR
 NAND
 AND
 NOR

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