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Describe a simple scheme in which there are as many lightweight processes as there are runnable threads?
Start with only a single LWP and let it select a runnable thread. When arunnable thread has been found, the LWP creates another LWP to look for anext thread to execute. If no runnable thread is found, the LWP destroys itself.
Rectangular room has width twice of its length When 6 is decreased from both length and width then its area is differed by 108 so find the width?
The width of the room is equal to twice the Length. Suppose Length = L, width = W, and A = areaW = 2L from the information in the questionNow we know area, A is equal to length times widthW*L=A, plug in 2L for W and we get 2L*L=A or 2L^2=ANext, we see that when 6 is subtracted from both length and width A becomes 108 less.So (2L-6)*(L-6)=A-108Multiply (2L-6)*(L-6) out and the result is (2L^2-18L+36) Set that equal to A-108(2L^2-18L+36)=A-108. We found out that A=2L^2 earlier so we can substitute the terms.(2L^2-18L+36)=2L^2-108. Now solve for LSubtract 2L^2 from both sides(-18L+36)=(-108)Subtract 36 from both sides(-18L)=(-144)Divide by (-18)L=8We know W=2L so W=16Now lets test our answer.16*8=128(16-6)*(8-6)=10*2=20128-20=108So the answer of L=8 and W=16 is correct.
What is a factorial function in Visual Basic?
' Iterative solution Function iterativeFactorial(ByVal n As Long) As Long Dim factorial As Long = 1 For i As Long = 1 To n factorial *= i Next Return factorial End Function ' Recursive solution Function recursiveFactorial(ByVal n As Long) As Long If n <= 1 Then Return n End If Return n * recursiveFactorial(n - 1) End Function
What would happen if the mass of a satellite is increased while orbiting earth?
The only way to slow down an orbiting satellite would be to put it into a higher orbit. If you push a satellite backwards (over a certain period of time), it would lose energy, move into a lower orbit, and actually move faster. Of course, if it gets into too low an orbit, it will eventually crash to the Earth's surface.Comments: Actually, many satellites do slow down. That's mainly because of the(very thin) atmosphere many satellites move through, even in orbits a few hundred kilometers above Earth.For example the International Space Station has to regularly use fuel to maintain its correct orbit.Although the mathematics is a bit complicated, a slowing satellite would eventually burn up, probably with bits hitting the ground.
