# 8-4-2-1 code

No description. (Wikipedia).

Decimal to BCD

From playlist Number Systems

Find the Mod 8 of the Product of 3 Binary Numbers

We take advantage of the fact that, in binary (base-2 numbers), the remainder of x divided by 8 is simply the last 3 digits of x.

From playlist Elementary Number Theory

Ex 1: Apply Divisibility Rules to a 4 Digit Number

This video explains how to apply the divisibility rules for 2, 3, 4, 5, 6, 8, 9, and 10. http://mathispower4u.com

From playlist Factors, Prime Factors, and Least Common Factors

Converting fractions into decimals

This is a short video tutorial on converting fractions into decimals. For interactive applets, worksheets, and more videos go to http://www.mathvillage.info

What is Special About the Number 4?

This video explains what is special about the number 4 and the spelling of 4.

From playlist Mathematics General Interest

Prime Factorisation

"Find the prime factorisation of a number."

From playlist Number: Factors, Multiples & Primes

Algebra 1 11.2a - Decimal Forms of Rational Numbers

Converting rational numbers to decimals (that is, converting fractions to decimals). This video also introduces the ideas of terminating and repeating decimals.

From playlist Algebra 1 Chapter 11 (Selected videos)

Lec 20 | MIT 6.451 Principles of Digital Communication II, Spring 2005

The Sum-Product Algorithm View the complete course: http://ocw.mit.edu/6-451S05 License: Creative Commons BY-NC-SA More information at http://ocw.mit.edu/terms More courses at http://ocw.mit.edu

From playlist MIT 6.451 Principles of Digital Communication II

(IC 2.7) Expected codeword length

Definition of expected codeword length of a symbol code, and examples. A playlist of these videos is available at: http://www.youtube.com/playlist?list=PLE125425EC837021F

From playlist Information theory and Coding

Lec 17 | MIT 6.451 Principles of Digital Communication II

Codes on Graphs View the complete course: http://ocw.mit.edu/6-451S05 License: Creative Commons BY-NC-SA More information at http://ocw.mit.edu/terms More courses at http://ocw.mit.edu

From playlist MIT 6.451 Principles of Digital Communication II

Lec 19 | MIT 6.451 Principles of Digital Communication II

The Sum-Product Algorithm View the complete course: http://ocw.mit.edu/6-451S05 License: Creative Commons BY-NC-SA More information at http://ocw.mit.edu/terms More courses at http://ocw.mit.edu

From playlist MIT 6.451 Principles of Digital Communication II

Lec 18 | MIT 6.451 Principles of Digital Communication II

Codes on Graphs View the complete course: http://ocw.mit.edu/6-451S05 License: Creative Commons BY-NC-SA More information at http://ocw.mit.edu/terms More courses at http://ocw.mit.edu

From playlist MIT 6.451 Principles of Digital Communication II

What is a stack and how does it work? — 6502 part 5

Schematics, datasheets, kits, and more at https://eater.net/6502 Part 1: https://www.youtube.com/watch?v=LnzuMJLZRdU Part 2: https://www.youtube.com/watch?v=yl8vPW5hydQ Part 3: https://www.youtube.com/watch?v=oO8_2JJV0B4 Part 4: https://www.youtube.com/watch?v=FY3zTUaykVo Part 5: This vid

From playlist Build a 65c02-based computer from scratch

(IC 2.10) Kraft-McMillan - examples for (b)

For a given set of lengths, the Kraft-McMillan inequality is a necessary condition for the existence of a uniquely decodable code, and a sufficient condition for the existence of a prefix code. A playlist of these videos is available at: http://www.youtube.com/playlist?list=PLE125425EC83

From playlist Information theory and Coding

MATH3411 Problem 86

MATH3411 Information, Codes and Ciphers This problem introduces us to 2-error correcting BCH codes. We encode a message and correct and decode a received message. Presented by Thomas Britz, School of Mathematics and Statistics, Faculty of Science, UNSW Australia

From playlist MATH3411 Information, Codes and Ciphers

Everything You Need to Know About JPEG - Episode 4 Part 1: Huffman Decoding

In this series you will learn all of the in-depth details of the complex and sophisticated JPEG image compression format In this episode, we learn all about Huffman codes, how to create a Huffman Coding Tree, and how to create Huffman codes based on a JPEG Huffman Table Jump into the pla

From playlist Fourier

Lec 25 | MIT 6.451 Principles of Digital Communication II

Linear Gaussian Channels View the complete course: http://ocw.mit.edu/6-451S05 License: Creative Commons BY-NC-SA More information at http://ocw.mit.edu/terms More courses at http://ocw.mit.edu

From playlist MIT 6.451 Principles of Digital Communication II

Awesome Number Pattern 9

A number pattern that results in numbers with 8 for a digit

From playlist Number Patterns

## Related pages

Binary-coded decimal