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Digital Electronics

Digital Electronics
The number of comparators in a parallel conversion type 8-bit analog to digital converter is

  255.
  8.
 16.
 256.

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Digital Electronics
The AND-OR realization of a combinational circuit requires three 3-input AND gates and one 3-input OR gate. This circuit can be designed using

 three 3-input NAND gates and one 3-input NOR gate
 four input NAND gates only
 three 3-input OR gates and one 3-input AND gate
None of these

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Digital Electronics
The output of a logic gate is 0 when all its inputs are at logic 0. The gate is either

 an OR or an X-OR
 a NAND or an X-OR
 an AND or a NOR
 an OR or an X-NOR

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

 Pin13
 Pin14
 Pin2
 Pin1

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

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

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Digital Electronics
An EPROM

 is programmable
All of these
 is of random-access type
 is non volatile

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