ITEC 1000 Lecture Notes - Positional Notation, Binary Number, Roman Numerals

• School: York University
• Department: Information Technology
• Course: ITEC 1000
• Professor: All

Document Summary

Itec 1000 winter 2010 peter khaiter. Lecture 2 number systems jan 11. Additive number systems are not used much anymore: awkward to use, prone to errors. The base of a number system how many different digits (including zero) are. Bit a cell holding a single binary number. Word a fixed-sized group of bits that the computer handles together. In our usual positional number system, the meaning of a digit depends on where it is located in the number. Technique: multiply each bit by 2n, where n" is the weight" of the bit, the weight is the position of the bit, starting from 0 on the right, add the results. Technique: multiply each bit by 8n, where n" is the weight" of the bit, the weight is the position of the bit, starting from 0 on the right, add the results together.