Suppose we have relation r(a, b,c, d,e), with some set of fd’sand we wish to project those fd’s onto relation s(a, b,c). give thefd’s that hold in s if the fd’s for r are:
a)ab–> de, c–> e, d–> c, and e–> a
b)a–> d, bd–> e, ac–> e and de–> b
c)ab–> d, ac–> e, bc–> d, d–> a and e–> b
d) a–> b , b–> c, c–> d, d–> e and e–> a

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The correct answer was given: Brain
They don’t really require one. 

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The correct answer was given: Brain
No they don’t require one

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The correct answer was given: Brain
It needs a new battery or it is old

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The correct answer was given: Brain

The most likely culprit that your computer assuming it’s current with sufficient RAM is bloatware and programs that automatically load.

Check the registry keys:

HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run.

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run

Also, use task Manager to find the programs (see attachment).

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