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Binary


Binary

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Miles Neale
Miles Neale
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Thanks Steve, Kind of like back to the very basics! Very Cool!

M.

Not all gray hairs are Dinosaurs!
Marcia J
Marcia J
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IgorMi (1/1/2014)
Cool, in
11111011110
it was essential to spot that the first two bits (1) and the last one (0) are constructing the right answer.

Regards,
IgorMi


That's pretty much how I did it. Since the last bit had to be a zero since it's an even number, that narrowed it down to 2 answers. Since they differed on the second bit, I only calculated that far.

Love multiple choice.
Tom Thomson
Tom Thomson
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Nice question.

But although the explanation is correct adding up the 1 bits is doing it the hard way. 2014 is 2047 - 33, so the bits with are 0 must be the bit that represents 1 and teh bit that represents 32 - that's much easier. Or doing it by elimination as suggested by Igor and Marcia - 2014 is oddeven so the last bit is zero; it's bigger that 1536, so the 2nd bit (from the significant end) is not zero. That eliminates 3 of the 4 options, and is a lot easier than adding up the powers of two indicated by 10 bits to see if they come to 2014 even if you start by testing the correct value: if you did it that way and came to the correct value last you would end up adding up 3 sets of 10 numbers - no need to ad up teh 4th set once you know the others are all wrong - really a lot of work compared with the not-so-hard ways of doing it.

Tom

Ken Wymore
Ken Wymore
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Thanks for the fun question Steve. Haven't converted anything from binary since school. Happy 2014 all.
sqlnaive
sqlnaive
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twin.devil (1/1/2014)
Bill (DBAOnTheGo) (12/31/2013)
There are only 10 types of people in this world.

+10 :-)


+10 :-)

Happy 2014...
Koen Verbeeck
Koen Verbeeck
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Great question.

Happy 11111011110 to you all!


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jfgoude
jfgoude
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easy one this year on my blog, my happy new year wishes were in binary format Smile
David Conn
David Conn
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Excellent Question. Reducing things to Binary should remind Computer people of our origins.
Arno Kwetters
Arno Kwetters
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Indeed. Back to basic.
There are 10 kind of people.
Those who understand binary counting and those who don't.

Before I went to school I thought
1 + 1 = 3
On elementary school I find out it was less
1 + 1 = 2
Computer science reduced this again
1 + 1 = 1
Go


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