Arithmetic of Computers

Arithmetic of Computers

from Tenscope Limited

Lesson 8

Octal Arithmetic

The sum gets a bonus

Page 280

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Your answer :
3538 + 4628 = 8358.
You did all right until you summed the left-hand column and wrote the result in decimal rather than octal.
1  ← carriedfrom 2ndcolumn 3 5 38 4 6 28 ? 3 58
You wouldn’t have done this if you had remembered there can’t be an 8 in an octal number.
Return to Page 275 and try again.
 

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