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Goshia [24]
3 years ago
12

Which of the following statements is false? Data is lost when a local variable "goes out of scope." Data maintained in files is

often called transient data. Storage of data variables and arrays is temporary. Files are used for long-term retention of large amounts of data.
Computers and Technology
1 answer:
Veronika [31]3 years ago
5 0

Answer:

The false statement is "Data maintained in files is often called transient data".

Explanation:

In computer programming, transient data is a temporary storage to hold the value which is created within an application session. The transient data will be discarded at the end of the program. The transient data will be reset to its default value when running the program again.  In contrast, file is known as a persistent storage which will still hold data even after end of a program. This is the reason the statement "Data maintained in files is often called transient data" is contradictory and therefore is considered a false statement.

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Alla [95]

Answer:

why whats wrong with it

Explanation:

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3 years ago
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State reasons why new version of application packages are released often?​
Jlenok [28]

- To add new features

- To fix bugs

- To combat security vulnerabilities

- To keep customers engaged by showing the application is still maintained

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What do you think about the future of Moore’s Law? Will it continue to hold true? Will other technologies help us keep on track?
Sveta_85 [38]

There will come a time when Moore's law can no longer hold true. Past a certain point, it will be physically impossible to make a transistor any smaller. Microscopic technology will always be limited by the size of an atom. Yes, Moore's law can be regarded as a self-fulfilling prophecy, because tech companies do not want to fail to keep up with it.

4 0
3 years ago
Which of the following is not a method of the history object?
Volgvan

Answer:

replace()

Explanation:

The history object in javascript corresponds to browsing history.

It has the following methods for navigating through the history list:

back(): Go back in the history list

forward(): Go forward in the history list

go() : Navigate to the currently pointed url in the history list. It takes a parameter which can either be a numeric index or a string which is matched with the history list content.

replace() is not a method in the history object.

7 0
3 years ago
Consider the following relation: CAR_SALE (Car#, Date_sold, Salesman#, Commision%, Discount_amt Assume that a car may be sold by
Nady [450]

Answer:

See explaination

Explanation:

The given relation is:

CAR_SALE(Car#, Date_sold, Salesperson#, Commission%, Discount_amt)

Primary key: {Car#,Salesperson#}

We will first check whether the relation is in 1NF.

A relation is said to be in the 1st Normal form(1NF) if all the columns in the relation have atomic values. In this case, the relation is in 1NF.

A relation is said to be in the second normal form(2NF) if it satisfies the condition that all non keys are completely dependent on the primary key and just a part of the primary key.

In the case of the CAR_SALE relation, the Commission% depends only on the Salesperson# and not on the combination of Car# and Salesperson#. This means that the given relation is not in 2NF. To satisfy 2NF, we make two relationships as given below:

SALE_DETAIL(Salesperson#, Commission%)

and CAR_SALE(Car#, Date_sold, Salesperson#, Discount_amt)

Now both the relations are in 2NF.

For a relation to be in 3NF, no non-key should be functionally dependent on another non key.

In the case of the CAR_SALE relation, it is specified that the Date_sold field determines the Discount_amt. Therefore the modified CAR_SALE is not in 3NF.

To satisfy 3NF, we seperate the non key and the dependent non key and create a different table.

Final Relations:

SALE_DETAIL(Salesperson#, Commission%)

Discount_Detail(Date_Sold, Discount_Amt)

CAR_SALE(Car#, Date_sold, Salesperson#)

7 0
3 years ago
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