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Ksivusya [100]
1 year ago
15

Which of the following operation is not performed by a mouse 1) left click , middle click , right click, double click​

Computers and Technology
2 answers:
agasfer [191]1 year ago
3 0

Answer:

middle click

Explanation:

hope it helps

luda_lava [24]1 year ago
3 0

Answer:

middle click

Explanation:

because in the middle it has a scroll

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Charlie has a large book collection. He was keeping track of it in a spreadsheet, but it has grown big enough that he wants to c
zepelin [54]

Answer:

Check the explanation

Explanation:

Ans 1) storing the data in one single row comes with its own barriers and that is if you delete one of the record in the spreadsheet, all the equivalent records which you didn't wanted to delete would be deleted. For take for instance, if you wish to delete the record of author "James Taylor" then all the books he has written would also be deleted from the spreadsheet.

Ans 2) In 1NF, all row is expected to have only 1 tuple, but here in this spreadsheet the title field for Author "James Taylor" has 2 books, so it would be separated into single rows.

Ans 3) The table in the attached image below doesn't delete with Delete anomaly, i.e., for author "May Norton" if you delete this record, then the only book written by her would be deleted.

So, you have to convert this table into 2NF.

Make separate tables for Author and Book

Author(Author Name, Author Country)

Books(Author Name, Book title, Publisher, Publisher Location, Year, price)

This cannot be normalized any further.

3 0
2 years ago
________ is the process of converting a poorly-structured table into two or more well-structured tables. optimization normalizat
bulgar [2K]

Answer:

Normalization

Explanation:

Converting a poorly-structured table and optimizing its database structure in order to reduce redundancy in relations can be referred to as database normalization. If the data is not redundant means that data inconsistencies and errors like deletion and insertion will get reduced or eliminated significantly.

4 0
2 years ago
Sharon is thinking about opening a bakery. She knows she wants to set her own hours, reduce her stress and make a profit. But sh
hodyreva [135]
Please provide complete details.
4 0
2 years ago
CodeHS Python Rainforest Exercise 5.4.7: Categories
nalin [4]

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.

7 0
2 years ago
A city planner is using simulation software to study crowd flow out of a large arena after an event has ended. The arena is loca
Damm [24]

Answer:

d)

Explanation:

The main limitation of simulations is that running a simulation requires a large number of observations to be collected before it can be used to explore a problem. In a real life situation there are thousands of variables to take into consideration which can drastically affect the way that the situation unfolds at any given time. Therefore, in order to replicate/simulate such a scenario all of these variables need to be taken into consideration. This data can take a large amount of time to observe and collect in order to implement into the simulation so that it provides an accurate depiction of the problem.

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