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Digital Electronics

Digital Electronics
A switch-tail ring counter is made by using a single D-FF, the following circuit is

  S-R FF.
  T FF.
  D FF.
  J-K FF.

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Digital Electronics
The base of the number system for the addition operation 24 + 14 = 41 to be true is

 8
 7
 5
 6

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Digital Electronics
A gate is disabled when its disable input is at logic 0. The gate is

 none of these
 NOR
 OR
 AND

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Digital Electronics
The maximum positive and negative numbers which can be represented in two’s complement form using n bits are respectively,

 +2n-1,-2n-1
 +(2n-1-1),-(2n-1-1)
 +(2n-1-1),-2n-1
 +2n-1,-(2n-1+1)

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Digital Electronics
The code used for labeling the cells of a K-map is

 gray
 8-4-2-1 binary
 octal
 hexadecimal

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Digital Electronics
What is the minimum number of NAND gates required to realize an X-OR gate?

 3
 6
 5
 4

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