London|26-JUI-SDC|Ping Wang|Sprint 1 | number-system#554
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Jul 10, 2026
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Have another look at Q5, otherwise good
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| Q5: What is 10101 + 01010? | ||
| Answer: | ||
| Answer: 100000 |
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Do you want to check this one?
10101
+01010
| Q16: How can you test if a binary number is a power of two (e.g. 1, 2, 4, 8, 16, ...)? | ||
| Answer: | ||
| Answer: A binary number is a power of two if it has exactly one 1 bit and all other bits are 0. For example: 100 000 only has only 1 bit so power of two, 2⁵. | ||
| However 100 100 has two one bits so not power of two instead 2⁵+ 2² |
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Nice use of superscript characters!
However to make hexadecimal/binary conversions easier, group binary numbers in groups of four - so 10 0000 (hex 20) rather than 100 000 (harder to convert to hex)
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Your answer is correct, btw, just a hint on formatting: no need to resubmit
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Thank you for review , i have done correction for Q5 .Hopefully you are OK with it. |
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That's great |
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it is fairly easy task for me after i have read the book"how computer really work"