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Digital Electronics

Digital Electronics
What is the Boolean expression for a two-input AND gate ?

 A - B
 A & B
 A + B
 A.B

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Digital Electronics
In decimal number system what is MSD

 First digit from right to left
 Mean of all digits
 First digit from left to right
 Middle digit

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Digital Electronics
When an input signal 1 is applied to a NOT gate, the output is ___________.

Either 0 & 1
None of these
1

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Digital Electronics
Complement of NOR and OR gate is ________ and ________ respectively.

 NAND, AND
 OR, NOR
 AND, NAND
 NOR, OR

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Digital Electronics
When will be the output of an exclusive-OR gate is HIGH ?

 The inputs are equal
 All inputs are HIGH
 All inputs are LOW
 The inputs are different

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Digital Electronics
Which of the following is not a transmission medium?

 Microwave systems.
 Coaxial cables.
 Telephone lines.
  Modem.

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