Binary Definition and 613 Threads

How difficult would it be to create a circuit that uses 3 mechanical switches as inputs to light up 8 LEDs for the binary combinations? This is for my electric circuits class. I've done one for Logic class, but I was able to use Logic gates and some other extra equipment. So any hints on...

I am trying to prove that A union (B intersection C) = (A union B) intersection (A union C). In other words, proving one of DeMorgan's Laws. I have gotten this far, and not sure if I'm right thus far: Let x belong to A union (B intersection C). Then x is in either A or in (B intersection C)...

Hi all! I'm in serious need of some help. The question: How many binary strings of length 10 contains exactly two "01"? My idea was to weld together 4 bits to 2 "01". That way, there's \frac{8!}{2!} strings with at least 2 "01". But there are a bunch of strings with more than 2 "01" in...

Some "new" relaeases of interest also here in General Astronomy. Merits discussion in this forum too, I think. Go to PF post: https://www.physicsforums.com/showthread.php?s=&threadid=12315

The idea of this work has appeared in 2002. At mathematical simulation of processes of mechanical resonance in classical objects of the ring form we have confronted with inexplicable effect. The computer program "drew" the graph of the smooth function with periodically iterating peaks. This...

i remember a referance to, binary pairs in the kuiper belt, i can not remember if a mass for the objects was given or orbital distance, my memory may be fading or wrong, can someone comfirm or dispute the existence of these objects?

Hello. Two binary stars (m1 and m2) orbit each other around their center of mass. They orbit in circles of radii r1 and r2. I am to show that the period is given by T2=4pi2(r1+r2)3/(G(m1+m2)) The mutual force between m1 and m2 is F=Gm1m2/(r1+r2)2 Considering m1, the acceleration of m1 is...

suppose that a binary star system consists of two stars of equal mass. they are observed to be separated by 360 million km and to take 5.0 Earth years to orbit about a point midway between them. what is the mass of each? P. 135 "Physics: Principles With Applications" Fourth Edition. Giancoli...

[SOLVED] Binary Operations I believe I understand the critera to see of something is a "group" 1.It must be binary 2.It must be associative 3.Must contain a Identity 4.Must have a inverse My question is the how to read a problem. For example: All real numbers minus zero under the...

Hi. What a great forum, so many interesting things I am facing a problem with the working out for my last question in my practice paper, for my mid-year examinations. i don't know how to write the notation here, so i have just attatched a screenshot, i hope u don't mind. i just have...

I came across this site: http://mally.stanford.edu/tutorial/sentential.html It lists four axioms of "sentential" logic. I first would like to know if there are other axioms not listed here. Wouldn't you need some axiom like if P is true, then ~P is false? It seems difficult to prove the law...

how to convert an exponent to binary number?

how can (contact binary stars) exist? why is it that one does not destroy the other? where is there center of gravity?