3 years ago

Consider a movie database in which data is recorded about the movie industry. the data requirements are summarized as follows:

1 answer:

3 0

There's incomplete question. But I suggest you to build ER diagram. You can use ERWin as it's the most user friendly program. You can find guides in the program. There're some tips how to build ER-diagram by given requirements.

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Fifty part-time students were asked how many courses they were taking this term. The (incomplete) results are shown below. Need

Ne4ueva [31]

Answer:

The answer for B is 10% and for C is 40%.

Explanation:

To get the percentage for B you take the the frequecy of students taking 2 courses (5) and multiply it by 100 then you divide it by whole number of students.

For C you do the after adding the number of students taking 1 or 2 courses (20).

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3 years ago

Question # 6

insens350 [35]

Answer:

April 30, 1993

Explanation:

On April 30, 1993, four years after publishing a proposal for “an idea of linked information systems,” computer scientist Tim Berners-Lee released the source code for the world’s first web browser and editor.

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2 years ago

A derived class is a class that inherits data members and functions from a ____ class.

mezya [45]

The answer is superclass

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3 years ago

Computer user support helps people with minor computer problems. <br><br> True or False

slamgirl [31]

Answer: True

Explanation: But it depends on two factors that's the problem and the experience of the computer user support

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