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  • hello and

  • welcome to the tutorial of 2421, for 2421

  • weighted code you might have some question that for example

  • what's the correct way to write 2 or 4 5 lets find out

  • for 2 we could write simply that 0 0

  • 1 0 or 1

  • 0 0 then

  • which which one will be correct for four

  • also 0 1 0 0

  • and 1 0 1 0

  • but we can't understand that which one should be correct

  • let's find out here we have the decimal equivalent of

  • 2 4 2 1 remember one thing that

  • every one code is a compliment of

  • another for decimal o's 9's compliment will be 9

  • 1's 9's compliment will be 8

  • for 2 its 7 for three it's 6 for 4 it's 5

  • here is the binary code and it's 1's complement

  • we have to remember that for 0

  • 2421 code will be 0 0 0 0

  • then it's 9's complement would

  • go to the 9 so its

  • like that and the code is

  • for 0000

  • it's 1's complement is 11

  • 11 for 1, 2421 code is

  • 0 0 0 1 and its

  • one's complement is one one

  • one 0

  • ok then for 2

  • 0 0 one 0

  • and it's 1's compliment will be

  • one one 0 one

  • for 3,

  • 0011 and its

  • one's complement is

  • 1100 for 4

  • 0100 and 5

  • 1011

  • umm remember another thing that

  • it should be in increasing order

  • ok

  • Thank You...,

hello and

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B1 complement compliment correct decimal write weighted

2421 Code, The Correct Way to Write it

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    billy8077 posted on 2017/12/20
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