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Digital Electronics

Digital Electronics
The parity of the binary number 11011001 is

 same as the number of zeros
 even
 not known
 odd

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

  255.
 16.
  8.
 256.

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Digital Electronics
A NAND gate is called a universal logic element because

It is used by everybody
Many digital computers use NAND gates.
All the minization techniques are applicable for optimum NAND gate realization
Any logic function can be realized by NAND gates alone

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Digital Electronics
Which one of the following is 2’s complement of -68?

 10111100
 01111100
 00111100
 11000100

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Digital Electronics
In a read-only memory information can be stored

 by the user a number of times
 in any of the above ways depending upon the type of memory
 by the user only once during its life time
 at the time of fabrication

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Digital Electronics
Which of the following logic circuits is the fastest ?

 DTL.
 TTL.
 RTL.
 All have same speed.

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MORE MCQ ON Digital Electronics

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