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Tutor profile: Bruce J.

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Bruce J.
First Year Computer Science Student
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Questions

Subject: Set Theory

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Question:

What is a set?

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Bruce J.
Answer:

A set put simply is a collection of objects. It is often easier to describe them by looking at them i.e. a set of natural numbers: N = {0,1,2,3,...}. Sets are useful to computer scientists as we often have to deal with large data structures which can have large data collections i.e. lists, trees etc.

Subject: Databases

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Question:

You are creating a relational database that can communicate with an online web form. You should be able to insert data of various types (i.e. strings of words and numbers) via the form. What languages could you use to (a) connect to the database (b) query the database

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Bruce J.
Answer:

To connect to the database via the webpage you would use PHP To query the database you could use MYSQL

Subject: Artificial Intelligence

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Question:

A salesman has to travel to ten different cities. He/she must: - Start at any one of the cities but must finish in the same city he/she started in. - Visit each city at least once. How many possible routes are available to him?

Inactive
Bruce J.
Answer:

A route with ten cities has 181,000 possible solutions.

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