1. Examples
1. (207)8 = ( ? )Excess 3
Solution: (207)8 = (_______)XS3
1. Convert octal to decimal (207)8 = (_______)10
`207`
` = 2 × 8^2 + 0 × 8^1 + 7 × 8^0`
`= 2 × 64 + 0 × 8 + 7 × 1`
`= 135`
`:.` (207)8 = (135)10
2. Convert decimal to XS3 (135)10 = (_______)XS3
1 +3 =4 | 3 +3 =6 | 5 +3 =8 | 0100 | 0110 | 1000 |
`:.` (135)10 = (010001101000)XS3
`:.` (207)8 = (010001101000)XS3
2. (353)8 = ( ? )Excess 3
Solution: (353)8 = (_______)XS3
1. Convert octal to decimal (353)8 = (_______)10
`353`
` = 3 × 8^2 + 5 × 8^1 + 3 × 8^0`
`= 3 × 64 + 5 × 8 + 3 × 1`
`= 235`
`:.` (353)8 = (235)10
2. Convert decimal to XS3 (235)10 = (_______)XS3
2 +3 =5 | 3 +3 =6 | 5 +3 =8 | 0101 | 0110 | 1000 |
`:.` (235)10 = (010101101000)XS3
`:.` (353)8 = (010101101000)XS3
This material is intended as a summary. Use your textbook for detail explanation. Any bug, improvement, feedback then
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