Lecture 7 - Webstaff.kmutt.ac.th - kmutt
Lecture 7 - Webstaff.kmutt.ac.th - kmutt
Lecture 7 - Webstaff.kmutt.ac.th - kmutt
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SummaryOctal NumbersOctal uses eight char<strong>ac</strong>ters <strong>th</strong>e numbers 0 <strong>th</strong>rough 7 to represent numbers.There is no 8 or 9 char<strong>ac</strong>ter in octal.Binary number can easily be converted to octal by grouping bits3 at a time and writing <strong>th</strong>e equivalent octal char<strong>ac</strong>ter for e<strong>ac</strong>h group.Express 1 001 011 000 001 110 2 inoctal:Group <strong>th</strong>e binary number by 3-bitsstarting from <strong>th</strong>e right. Thus, 113016 8Decimal Octal Binary01234567891011121314150123456710111213141516170000000100100011010001010110011110001001101010111100110111101111Floyd, Digital Fundamentals, 10 <strong>th</strong> ed© 2009 Pearson Education, Upper Saddle River, NJ 07458. All Rights Reserved
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