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What is Binary (Computer Science)
- 1. What is Binary? Presentedby developerX
- 2. BI * NA* RY Relating to, using, or expressed in system of numerical notation that has 2 rather than 10 as a base.
- 5. DEC * I* MAL Relating to or denoting a system of numbers and arithmetic based on the number ten, tenth parts, and powers of ten.
- 6. Decimal Symbols 0 -1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9
- 7. Positional Notation A systemof expressing numbers in which the digits are arranged in succession, the position of each digit has a place value, and the number is equal to the sum of the products of each digital by its place value https://www.merriam-webster.com/dictionary/positional%20notation
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- 10. Binary System 0010111 =(1 * 64) + (1 * 32) + (1 * 16) + (1 * 4) = 116 Alternative: 0010111 = (1 * 2^6) + (1 * 2^5) + ( 1 * 2^4) + (1 * 2^2) = 116
- 11. Practice What numbers arethese? 00000111 10100011 01001101
- 12. Adding What is 10010101+ 11110010? What is 10010101 + 11110010? 10010101 + 11110010 = 128 * 2 + 64 * 1 + 32 * 1 + 16 * 2 + 4 * 1 + 1 * 1 10010101 + 11110010 = 256 + 64 + 32 + 32 + 4 + 1 10010101 + 11110010 = 391
- 13. Subtracting Solve this puzzle 10010101- 11110010
- 14. Translate: 01100111 0110001 0110000 0110001 UTF-8: Becausemore special characters are needed most of the web is using (87%) UTF-8.
- 15. Seeing Binary inJavascript Binary ---> Decimal parseInt(‘01001000’, 2) // => 72 Decimal ---> Binary (45).toString(2)// => '101101' Binary ---> String String.fromCodePoint(parseInt('11111010010111110', 2)) // => "💾" String ---> Binary "💾".codePointAt().toString(2) //=> ‘11111010010111110’
- 16. Questions? Thank you forlearning about Binary