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3 years ago

Which selection below has the greatest storage capacity

Computers and Technology

1 answer:

shutvik [7]3 years ago

8 0

Where is the selection?

Message me when you have the full question.

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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

What does it mean when a return is rejected for code 0503?

GarryVolchara [31]

Reject Code 0503<span> indicates that the Spouse's Social Security Number and the first 4 letters of the spouse's last name </span>do<span> not match IRS records. The IRS uses data provided by the Social Security Administration to verify this information. Hope this helps.</span>

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3 years ago

Which Boolean operator produces the result 1 only if both values are 1? Which Boolean operator produces the result 0 only if bot

lorasvet [3.4K]

Blank 1 is AND

Blank 2 is OR

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3 years ago

[ASAP] Choose the tool that best matches each description.

vazorg [7]

Answer: BeeWare is an open-source library that can be used to develop mobile apps in Python, where all of the objects look the same, no matter what platform it is displayed on. In contrast, the Kivy library uses native objects, so that applications built with it will look like other apps on that platform.

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2 years ago

Two technicians are discussing fully charged battery voltage readings. technician a says that it should read approximately 12.6v

Veronika [31]

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3 years ago