ITM 207 Lecture Notes - 5,6,7,8, Natural Number, Negative Number

• School: Ryerson University
• Department: Information Technology Management
• Course: ITM 207
• Professor: Youcef Derbal

Document Summary

Natural numbers: zero and any number obtained by repeatedly adding one to it ; example: 0, 1, 2,3,4,5. Integers: a natural number, a negative number, zero. Rational numbers: an integer or the quotient of two integers. The base of a number determines the number of digitis and the value of digit positions. Decimal is base 10 and has 10 digits :0, 1, ,2, 3, 4, 5, 6, 7, 8, 9. Binary is base 2 and has 2 digits : 0, 1. For a number to exist in a given base, it can only contain the digits in that base, which range from 0 up to (but not including) the base. With distinct symbols for 10 and above. 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,a, b, c, d , e, f. = 0 x 2^0 + 1 * 2^1 + 0 * 2^2 + 1 * 2^3.