Arithmetic of Computers

Arithmetic of Computers

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Lesson 8

Octal Arithmetic

The sum gets a bonus

Page 277

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Your answer :
1
Either you made a mistake in arithmetic or you multiplied the entire first product by 128 instead of multiplying only the fractional part. The way it should look is:
.2568  × 128 1stpartialproducts →  .5348  →  2.568 1stcompleteproduct →  3.3148 multiplythe .314 onlyby 128 →   × 128 2ndpartialproducts →  .6308  →  3.148
Now, sum the second partial products. The integral part of the sum will be the second digit in the decimal equivalent of .2568.
Return to Page 262 and choose the right answer.
 

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