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Digital Electronics

Digital Electronics
The inverter is ___________

NOT gate
AND gate
None of these
OR gate

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Digital Electronics
How many input and output required for demultiplexer ?

 one input and one output
 number of selection inputs and one output
 one input and many output
None of these

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Digital Electronics
Logic circuits are

 analog circuits
 hybrid circuits
 digital circuits
 none of these

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Digital Electronics
The simplified block diagram of a 10-bit A/D converter of dual slope integrator type is shown in figure. The 10-bit counter at the output is clocked by a 1 Mhz clock. Assuming negligible timing overhead for the control logic, the maximum frequency of the analog signal that can be converted using this A/D converted is approximately .

 500 Hz.
  1 KHz.
 2 KHz.
 250 Hz.

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Digital Electronics
The decimal number 0.246 in binary is

 0.001101
 0.001111
 0.011011
 0.010111

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Digital Electronics
A small circle or dot on top of an IC represents

 Pin13
 Pin14
 Pin1
 Pin2

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