CSE 241 Lecture Notes - Lecture 2: 5,6,7,8, Radix, George Boole
2 Feb 2017
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Dice 6 sides, each with a number. Pack of cards to represent this to a computer, we use a number 1-6 to represent this to a computer, we use 1-52. We can input information into the computer using not only numbers, but our keyboard has characters (a-z) and symbols as well. We will focus on number systems for now. Whole numbers integers: (cid:862)fra(cid:272)tio(cid:374)al (cid:272)o(cid:373)po(cid:374)e(cid:374)ts(cid:863) -> we will deal with this later. Each bit (or binary digit) can have one of the two following values: Groups of bits are called binary codes and are how information is represented in a digital binary system. The computer operates in binary, but we think in decimal, so a translation must occur. Now read from the bottom up all of the red numbers (starting at the last one in the left column) and you will get the binary form: 100010001. Now we are able to convert any decimal number to any other radix system (r).
