[logo] SCEN103 Class 12

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Being Digital: Counting

"Not everything that counts can be counted, and not everything that can be counted counts." -- Albert Einstein

"Relearning" to count

Review of decimal scheme

Introduction to binary counting

Hexadecimal numbers

Data Powers of Ten

Addition of binary numbers

1 + 0 =  1 -- No surprise.
1 + 1 =  10 -- Don't forget to carry!
1 + 1 + 1 =  11  

Addition of hex numbers

Group Activity

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Last updated Jan. 14, 1998.
Copyright George Watson, Univ. of Delaware, 1996.