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3 years ago

What is the reason of non-deterministic (indeterminate) behavior of concurrent programs?

1 answer:

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Answer: Concurrent programs are the programs that execute at the same point of time. They are simultaneous in nature with other concurrent programs.They are executed with the help of threads to achieve the concurrency without the issue of scheduling. They are consider long running programs.

The program that has the low execution time compared with all other programs gets executed first.If the case of no progress is seen then another thread is executed.This type of execution gives the non- deterministic situation in which the possibility of leading completion of any particular program cannot be determined.

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a password to a certain database consists of digits that cannot be repeated. if the password is known to consist of at least 8 d

BaLLatris [955]

Answer:

$\frac{10!}{2}mins$

Explanation:

12 seconds to try one combination will be equivalent to $\frac{1}{12}\times 60 = \frac{1}{5} \ mins$

Password contain at least 8 digit i.e. password can contain 8, 9, 10 digit.

Password cannot contain more than 10 digit because it will give room for repetition which it is clearly stated that digit cannot be repeated.

Possible digit that can be used: 9,8,7,6,5,4,3,2,1,0.

Total number of passwords combination possible for each position in 8 digit.

1st position = 10, 2nd position = 9, 3rd position = 8, 4th position = 7, 5th position = 6, 6th position = 5, 7th position = 4, 8th position = 3. Total number of passwords combination possible in 8 digit is equivalent to $\frac{10!}{2}$ .

Total number of passwords combination possible for each position in 9 digit.

1st position = 10, 2nd position = 9, 3rd position = 8, 4th position = 7, 5th position = 6, 6th position = 5, 7th position = 4, 8th position = 3, 9th position = 2. Total number of passwords combination possible in 9 digit is equivalent to $\frac{10!}{1}$ .

Total number of passwords combination possible for each position in 10 digit.

1st position = 10, 2nd position = 9, 3rd position = 8, 4th position = 7, 5th position = 6, 6th position = 5, 7th position = 4, 8th position = 3, 9th position = 2, 10th position = 1. Total number of passwords combination possible in 10 digit is equivalent to 10!.

Adding them up and multiplying by $\frac{1}{5} \ mins$ to get the total number of time needed to guarantee access to database = $[\frac{10!}{2}\times\ \frac{10!}{1} \times 10!] \frac{1}{5}\ mins = \frac{10!}{2}$

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3 years ago

When a bank account pays compound interest, it pays interest not only on the principal amount that was deposited into the accoun

Talja [164]

Answer:

def main():

principal = float(input("Enter the amount of principal amount to be deposited: "))

rate = float(input("Enter annual interest rate paid by the account: "))

num = int(input("Enter the number of times per year that the interest is compunded: "))

years = float(input("Enter the number of years the account will be left to earn interest: "))

amount = principal*(1+(rate*.01)/num)**(num*years)

print("The amount of money will be in the account after ", years, "years:", round(amount,2))

main()

Explanation:

Calculating the balance of the account after a specified number of years with the help of the formula:
amount = principal*(1+(rate*.01)/num)**(num*years)

8 0

3 years ago

Using powerpoint 2016, ethan develops a short five-slide presentation for his marketing project. â â powerpoint files consist of

Lady bird [3.3K]

b. Ribbons - Powerpoint 2016 has a tabbed ribbon system that groups relevant menus together according to category. The ribbon contains a number of tabs, each having a separate group of commands. The tabs can be used to do most of the common tasks in Powerpoint.

8 0

3 years ago

I will give Brainliest to whoever answers correctly :3

Naya [18.7K]

Answer:

1,3,4

Explanation:

They all make sense except for 2. They cannot advertise or state something that is not to guaranteed to happen.

6 0

3 years ago

Question # 4

Valentin [98]

Answer:Control +c

Explanation:yes

3 0

3 years ago

Read 2 more answers