BCD Codes (Binary Coded Decimal Codes) Explained

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In this video, different BCD codes like 8421 BCD and Excess-3 Codes are explained and different code conversions like Decimal to BCD, Binary to BCD, Decimal to Excess-3, etc are explained with examples.

Timestamps:
0:00 Introduction
0:40 8421 BCD code
1:53 Decimal to BCD (8421) Conversion
3:11 Hexadecimal to BCD (8421) Conversion
4:43 Octal to BCD Conversion
6:08 Binary to BCD Conversion
7:20 Other BCD Codes (2421, 5421, 84-2-1)
10:24 XS-3 Code
11:52 Decimal to XS-3 conversion

BCD Codes:
BCD stands for Binary Coded Decimal.
In BCD, each decimal digit is encoded by a group of the 4-bit binary number,
There are various types of BCD codes like 8421, 2421, 5421, 84-2-1 etc. But 8421 BCD code is one of the widely used BCD codes.

Excess-3 Code:
XS-3 is Non-weighted, Self complementing BCD code. It is also sequential code. By adding 3 (0011) to each BCD code, it can be converted into the equivalent XS-3 code.

In this video, various BCD codes are explained and the different code conversions like Binary to BCD, Hexadecimal to BCD, Octal to BCD are explained with examples.

Digital Electronics Playlist:

ADC and DAC Playlist:

This video will be helpful to all the students of science and engineering in understanding the different BCD codes.

#ALLABOUTELECTRONICS
#BCDCode

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Timestamps:
0:00 Introduction
0:40 8421 BCD code
1:53 Decimal to BCD (8421) Conversion
3:11 Hexadecimal to BCD (8421) Conversion
4:43 Octal to BCD Conversion
6:08 Binary to BCD Conversion
7:20 Other BCD Codes (2421, 5421, 84-2-1)
10:24 XS-3 Code
11:52 Decimal to XS-3 conversion

ALLABOUTELECTRONICS
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Great video! I have learned so much and so easily in such a short time. Very informative and thanks for making a segment for each topic.

shaianrahman
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I'm very new to binary numbers and I learnt alot👍

lalruotlien
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Ans: 13:20 is 011110101001. Is it correct ?

ParamitaDey-bimg
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Thanks sir for your support .you really explained well.

kishangaur
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Octal to binary conversion at 6:03 is not correct it should be 110010001... ; please check it once

raghavdubey
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Hi, are there any lecture slides/handouts available for the content you are teaching ? Please let me know.
Thanks

nikhilkashyap
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Hello
Here in 2421 BCD, BCD of 5 is 1011 but it is also 0101 so which one is right ?🤔

Shiva
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Bro plz tell me....
" ITI - ELECTRONICS " Trade basic caliculations based on all farmuls

ambatisivaji
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How to find BCD code of letter "BASE"

rahula
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do we need to put base 2 to BCD code like we do for binary numbers or to write BCD code without base value

KandhanM-no
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in 8 4 -2 -1 and 2 4 2 1 BCD codes, I noticed that some decimal numbers can be represented in more than 1 way. So, can I represent them in any way ? or the way as shown in the video ?

arkodasgupta
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in 4221 bcd, how do we know which 2 we'll have to use to represent say decimal 2 and decimal 5

shivlidimri
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Sir how to implement table.for 5421 code

isharajput
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What is the value of F here? generally how we can find the alphabets values?

VanishreeNm
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Sir in 6:03 why you took 4 bits for octal it supposed to be 3?

ParamitaDey-bimg
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9f =

101101 = 01001011

Is it correct?

gurujeetyadav
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Last ques of converting 5c to xs3, 5c must be 81, you wrote it 92, how so?

tanishsharma
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Why we cant use 4+1=5
Why you use 2+2+1=5

Kondalu.