Which of the following is an abstract function?

A. virtual double getArea();
B. double getArea() = 0;
C. virtual double getArea() = 0;
D. virtual double getArea();

C. virtual double getArea() = 0;

Computer Science & Information Technology

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Write the selection sort algorithm for an array of int in C++. You are to assume that there are predefined functions swapValues and indexOfSmallest, that is do not write these functions. However, you must write declarations with pre and post conditions for these functions.

What will be an ideal response?

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Computer Science & Information Technology

For this iterator which of the following is correct? If correct what does the expression produce?

Suppose we have the following definition: ``` vector vec; // use push_back to put 10 values into vec here. vector::iterator itr1, itr2,itr3; itr1 = vec.begin(); itr2 = vec.begin() + 5; itr3 = vec.end(); ``` a) ``` *iter1 ``` b) ``` itr2[3] ``` c) ``` itr + 3 ``` >>>there is no itr, Do you mean itr3? d) ``` itr – 3 ``` e) ``` itr3 – itr1 ``` (if valid, what does this produce?) >>You asked for what is produced for all of them in intro to question

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Match the following SQL keywords with their purposes:

I. SELECT II. FROM III. WHERE IV. GROUP BY V. ORDER BY A. This is not a SQL keyword. B. Specifies the sort order of the records C. Specifies which table or tables contain the necessary fields D. Specifies any criteria which will be applied to the records E. Specifies which fields will be displayed

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Computer Science & Information Technology

Ethicists who study technology are concerned that autonomous systems may become scapegoats that shield corporations and individuals from taking responsibility for their decisions.

Answer the following statement true (T) or false (F)

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Computer Science & Information Technology