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Digital Electronics

Digital Electronics
A gate is enabled when its enable input is at logic 1. The gate is

 NAND
 NOR
 OR
 none of these

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Digital Electronics
Assuming 8 bits for data, 1 bit for parity, I start bit and 2 stop bits, the number of characters that 1200 BPS communication line can transmit is.

10 CPS
12 CPS
120 CPS
None of these

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Digital Electronics
The complement of a function A is

 1
 A
 Ā
 0

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Digital Electronics
Which of the following is a digital device

 Microphone
 Resistance of a material
 Light switch
 Regulator of a fan

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Digital Electronics
The decimal number 0.246 in binary is

 0.001111
 0.011011
 0.010111
 0.001101

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Digital Electronics
Counter is a

  none.
  combinational circuit.
  both.
  sequential circuit.

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