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Akimi4 [234]
2 years ago
15

You do not have to move your fingers to click the top row reach keys. 1. True 2. False

Computers and Technology
1 answer:
Kazeer [188]2 years ago
3 0
False you have to move your fingers
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Write down a recurrence relation for this version of QuickSort, and solve it asymp-totically. Show your work. Assume that the ti
torisob [31]

Answer:As in merge sort, the time for a given recursive call on an n-element subarray is Θ(n). In merge sort, that was the time for merging, but in quicksort it's the time for partitioning.

Explanation:

Worst-case running time:

When quicksort always has the most unbalanced partitions possible, then the original call takes cncnc, n time for some constant ccc, the recursive call on n-1n−1n, minus, 1 elements takes c(n-1)c(n−1)c, left parenthesis, n, minus, 1, right parenthesis time, the recursive call on n-2n−2n, minus, 2 elements takes c(n-2)c(n−2)c, left parenthesis, n, minus, 2, right parenthesis time, and so on. cn+c(n−1)+c(n−2)+⋯+2c=c(n+(n−1)+(n−2)+⋯+2)

=c((n+1)(n/2)−1)

The last line is because 1 + 2 + 3 +...... n is the arithmetic series

Best-case running time:

Quicksort's best case occurs when the partitions are as evenly balanced as possible: their sizes either are equal or are within 1 of each other. The former case occurs if the subarray has an odd number of elements and the pivot is right in the middle after partitioning, and each partition has (n-1)/ 2 elements. The latter case occurs if the subarray has an even number n of elements and one partition has n/2 elements with the other having n/2-1.In either of these cases, each partition has at most n/2 elements.

Using big-Θ notation, we get the same result as for merge sort: Θ(nlog2n)

5 0
3 years ago
"To speed up magnetic hard drive performance , ___________ is often used. "
Harrizon [31]

Answer:

disk caching

Explanation:

Hi,

Magnetic hard drives use disk caching to speed up performance. This method is quite ingenious because what it does is that in a section of memory in your pc, it keeps a copy of information that was previously accessed in the hard disk. So, next time if the same data is requested, the system can refer to cache to get quick access rather than going to the hard disk (which is slower).

3 0
2 years ago
Explain possible consequences if someone is issued with a fraudulent licence
Anna35 [415]
Having a fake license results in a criminal charge and will affect your future if wanting to work in school. some of the charges will be lagre fines and points of your license.

7 0
3 years ago
Describing Work Styles for Farmworkers and Laborers, Crop
Olegator [25]

Answer:

it is A,B,E,F,G

Explanation:

can i have brainliest please.

7 0
3 years ago
Read 2 more answers
A checklist can be useful by helping A. organize information B. separate information C. portray information clearly D. all of th
Tema [17]
It's D because a checklist is to help you organize a list of things like groceries, homework etc. It can sperate indormation..for example, homework need to be separated so we won't messed up on which is which. It can also portray information clearly because you're making a check list.
3 0
3 years ago
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