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Lerok [7]
3 years ago
11

if a second system failure occurs while the first recovery is in progress, what needs tobe done after the system recovers for th

e second time
Computers and Technology
1 answer:
Anna007 [38]3 years ago
8 0

Answer:

hello your question is incomplete attached below is the complete question

answer : we have to perform all transactions again

< checkpoint record >

< s, x , 5, 10 >

Explanation:

When a second system failure occurs while the first recovery is in progress the steps to be taken when the system recovers for the second time starts from the check point.

we have to perform all transactions again

< checkpoint record >

< s, x , 5, 10 >

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in this case, you would count like this:

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3.14 LAB: Simple statistics for Python
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Answer:

Following are the correct python code to this question:

n1 = float(input('Input first number: '))#input first number  

n2 = float(input('Input second number: '))#input second number  

n3 = float(input('Input third number: '))#input third number  

n4 = float(input('Input fourth number: '))#input fourth number  

average = (n1+n2+n3+n4)/4 #calculate input number average

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print('product: {:.0f}  average: {:.0f}'.format(round(product),round(average))) #print product and average using round function

print('product: {:.3f}  average: {:.3f}'.format(product,average)) #print product and average value

Output:

Please find the attachment.

Explanation:

The description of the above python code can be defined as follows:

  • In the above python program four variable "n1, n2, n3, and n4" is defined, in which we take input from the user end, and in these user inputs we use the float method, that converts all the input value in to float value.
  • In the next step, two variable average and product are defined, that calculate all input numbers product, average, and hold value in its variable.
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