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Digital Electronics

Digital Electronics
Odd parity of a bit stream can be tested using ________ gate.

 AND
 OR
 XOR
 NOR

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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
What will be Excess - 3 code for decimal ( 584 )?

  (0111 0100 1000).
 (1011 0111 1000).
 (1000 0111 1110).
  (1000 1011 0111).

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Digital Electronics
In which of the following codes do the successive characters differ in only 1-bit position?

 cyclic code
 8421 code
 binary code
 2421 code

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Digital Electronics
The voltage levels for negative logic system

 must necessarily be negative
 must necessarily be positive
 must necessarily be 0 V and –5 V
 may be negative or positive

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Digital Electronics
Extremely low power dissipation per gate can be gained from

 MOS ICs
 TTL ICs
 CMOS ICs
 ECL ICs

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MORE MCQ ON Digital Electronics

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