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Digital Electronics

Digital Electronics
The following code is not a BCD code.

 8421 code
 Gray code
 all of these
 XS-3 code

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Digital Electronics
An 8 × 4 ROM contains a decoder of size

 8 × 8
 3 × 8
 8 × 4
 3 × 4

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Digital Electronics
The set of which logic gates is designated as universal gate?

 NOT, OR , AND.
 XNOR, NOR, NAND.
 XNOR, NOR, NAND.
  NOR , NAND.

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Digital Electronics
Counter is a

  sequential circuit.
  combinational circuit.
  none.
  both.

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Digital Electronics
(1D)16 in BCD 8421 code is

 00100100
 00011101
 00101001
 00011111

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Digital Electronics
The code used in digital systems to represent decimal digits, letters, and other special characters such as + , – , . , * , etc. is

 ASCII
 natural BCD
 hexadecimal
 octal

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MORE MCQ ON Digital Electronics

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