CSCI 10 Lecture Notes - Lecture 2: William Lowell Putnam Mathematical Competition, Thursday Afternoon, Binary Number
21 Sep 2016
School
Department
Course
Professor
Document Summary
If you are interested in skipping this class, talk to michael. All enrolled students will be added to piazza today. Homework will be posted thursday afternoon, and due wednesday. Can take for 0-2 credits (based on workload) Today people like to work with numbers in base 10. 2 (binary, only 0s and 1s), 8(octal), 16(hex, numbers and capital letters), Conversion is not hard, but will require practice! 53376 = 6 * 10^0+ 7 *10^1 + 3 * 10^2 + 3 *10^3 + 5 *10^4. 53376 *10= 0 * 10^0 + 6 * 10^1 + 7 * 10^2 = 533760. 10011 = 1 * 2^0 + 1*2^1 + 0 *2^2 + 0 * 2^3 + 1 *2^4. = 0 * 2^0 + 1*2^1 + 1 *2^2 = 100110(counted backwards) 0, 1, 2, 3, . 9, a, b, c, d, e, f. A, b, c, d, z, 2, 3, 4, . 7. A, b, . z, a, b, z, 0, . 9, +, /
