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Digital Electronics

Digital Electronics
Logic circuits are

 none of these
 analog circuits
 digital circuits
 hybrid circuits

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

  J-K FF.
  D FF.
  T FF.
  S-R FF.

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Digital Electronics
The minimum decimal equivalent of the number 11C is

 194
 268
 183
 269

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Digital Electronics
11001, 1001 and 111001 correspond to the 2’scomplement representation of the following set of numbers

 -7, -7 and -7 respectively
 -6, -6 and -6 respectively
 -25, -9 and -57 respectively
 25, 9 and 57 respectively

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Digital Electronics
Complement of NOR and OR gate is ________ and ________ respectively.

 NOR, OR
 AND, NAND
 OR, NOR
 NAND, AND

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Digital Electronics
Which one of the following even parity codes are in errors. (I)100110010 (II)011101010 (III)10111111010001010

 Both (I)&(III)
 Both (II)&(III)
 Only (III)
 Only (II)

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