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Digital Electronics

Digital Electronics
Truth table is used to express

 Boolean addition
 Boolean expression
 Boolean matrix
 Boolean map

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

 Coaxial cables.
 Microwave systems.
  Modem.
 Telephone lines.

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Digital Electronics
In binary number system the first digit (bit) from right to left is called as

 MSB, Most Significant Bit
 First Bit
 Last Bit
 LSB, Least Significant Bit

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Digital Electronics
Which of the following is a digital device

 Microphone
 Regulator of a fan
 Light switch
 Resistance of a material

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Digital Electronics
Which of the following is known as a mod-2 adder?

 NOR gate
 NAND gate
 X-OR gate
 X-NOR gate

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Digital Electronics
A half adder is a ________ circuit.

 Sequential
 None
 Both A and B
 Combinational

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