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barxatty [35]
2 years ago
5

CodeHS Python Rainforest Exercise 5.4.7: Categories

Computers and Technology
1 answer:
nalin [4]2 years ago
7 0

Answer:

List=[['Computers','IT','Programming'],['Maths', 'Algebra', 'Geometry']]

i=0

k=0

for i in range(0,2):

   print("Category:"+List[i][0])

   for k in range(1,3):

       print("\t"+List[i][k])

   

Explanation:

The required program is as above. We have used here a multidimensional list. The 0 of each row has the category,and rest are sub categories. The program above has limitations but is good enough to explain the fundamentals required.

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I think D, Your welcome :)

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How did josh norman and mike keller provide coverage of katrina?
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Suppose your company has decided that it needs to make certain busy servers faster. Processes in the workload spend 60% of their
vekshin1

Answer:

CPU need 50% much faster

disk need 100% much faster

Explanation:

given data

workload spend time CPU  = 60%

workload spend time I/O = 40%

achieve overall system speedup = 25%

to find out

How much faster does CPU need and How much faster does the disk need

solution

we apply here Amdahl’s law for the overall speed of a computer that is express as

S = \frac{1}{(1-f)+ \frac{f}{k} }      .............................1

here f is fraction of work i.e 0.6 and S is overall speed  i.e 100% + 25% = 125 % and k is speed up of component

so put all value in equation 1 we get

S = \frac{1}{(1-f)+ \frac{f}{k} }  

1.25 = \frac{1}{(1-0.6)+ \frac{0.6}{k} }  

solve we get

k = 1.5

so we can say  CPU need 50% much faster

and

when f = 0.4 and S = 125 %

put the value in equation 1

S = \frac{1}{(1-f)+ \frac{f}{k} }  

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solve we get

k = 2

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Answer:

SURVEILLANCE-SPECIFIC DESIGN.

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Surveillance-specific design can be used to increase general visibility by providing adequate lighting, by reducing or eliminating physical barriers to visibility, and by the visibility-promoting location of key areas (entrances, lobbies, elevator waiting areas, parking areas e.t.c.) so as to be directly visible from as many viewpoints as possible.

Since the data center designer requested additional lighting for the entrance to the data center as well as the removal of a object which is blocking security's view of the entrance, then it is an example of SURVEILLANCE-SPECIFIC DESIGN.

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