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Digital Electronics

Digital Electronics
A device which converts decimal number into BCD form is called

 encoder
 multiplexer
 code converter
 decoder

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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

 natural BCD
 ASCII
 hexadecimal
 octal

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Digital Electronics
Which of these circuits have higher gate complexity 1. Carry look ahead adder 2. Ripple carry adder

 none
 1
 both have same
 2

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Digital Electronics
What will be Excess - 3 code for decimal ( 584 )?

  (1000 1011 0111).
 (1000 0111 1110).
 (1011 0111 1000).
  (0111 0100 1000).

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Digital Electronics
Why small bubble is given on the output of the NAND gate symbol ?

 Tristate
None of these
 Output is inverted
 Open collector output

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Digital Electronics
The number of digit 1 present in the binary representation of (3 × 512 + 7 × 64 + 5 × 8 + 3) is

 9
 6
 8
 7

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