A file with a file extension of ________ is a Windows Audio file

A) .wav B) .mp3 C) .mp4 D) .swf


A

Computer Science & Information Technology

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Write an app that tests whether the examples of the Math class actually produce the indicated results.

``` // Solution: MathTest.cs // Testing the Math class methods. using System; class MathTest { static void Main() { Console.WriteLine($"Math.Abs(23.7) = {Math.Abs(23.7)}"); Console.WriteLine($"Math.Abs(0.0) = {Math.Abs(0.0)}"); Console.WriteLine($"Math.Abs(-23.7) = {Math.Abs(-23.7)}"); Console.WriteLine($"Math.Ceiling(9.2) = {Math.Ceiling(9.2)}"); Console.WriteLine($"Math.Ceiling(-9.8) = {Math.Ceiling(-9.8)}"); Console.WriteLine($"Math.Cos(0.0) = {Math.Cos(0.0)}"); Console.WriteLine($"Math.Exp(1.0) = {Math.Exp(1.0)}"); Console.WriteLine($"Math.Exp(2.0) = {Math.Exp(2.0)}"); Console.WriteLine($"Math.Floor(9.2) = {Math.Floor(9.2)}"); Console.WriteLine($"Math.Floor(-9.8) = {Math.Floor(-9.8)}"); Console.WriteLine($"Math.Log(Math.E) = {Math.Log(Math.E)}"); Console.WriteLine($"Math.Log(Math.E * Math.E) = {Math.Log(Math.E * Math.E)}"); Console.WriteLine($"Math.Max(2.3, 12.7) = {Math.Max(2.3, 12.7)}"); Console.WriteLine($"Math.Max(-2.3, -12.7) = {Math.Max(-2.3, -12.7)}"); Console.WriteLine($"Math.Min(2.3, 12.7) = {Math.Min(2.3, 12.7)}"); Console.WriteLine($"Math.Min(-2.3, -12.7) = {Math.Min(-2.3, -12.7)}"); Console.WriteLine($"Math.Pow(2.0, 7.0) = {Math.Pow(2.0, 7.0)}"); Console.WriteLine($"Math.Pow(9.0, 0.5) = {Math.Pow(9.0, 0.5)}"); Console.WriteLine($"Math.Sin(0.0) = {Math.Sin(0.0)}"); Console.WriteLine($"Math.Sqrt(900.0) = {Math.Sqrt(900.0)}"); Console.WriteLine($"Math.Tan(0.0) = {Math.Tan(0.0)}"); } } ```

Computer Science & Information Technology

Which of the following is FALSE about nonprinting marks and symbols?

A) The hyphen and nonbreaking hyphen appear as different nonprinting symbols. B) When you press Enter, you leave a paragraph mark. C) Nonprinting marks and symbols do not display on printouts, but they do affect the appearance of a document. D) A paragraph mark at the end of a paragraph only indicates the presence of a hard return.

Computer Science & Information Technology

On a Mac, when files are moved to the Trash, those files cannot be removed if the Trash is emptied because the operating system no longer maintains a link to reference that file's physical location on the hard drive. (That is, the catalog ID no longer exists.) A ________file will still be available in the Trash

Fill in the blank(s) with the appropriate word(s).

Computer Science & Information Technology

The ____ object is responsible for retrieving the appropriate information from the database and storing it in the DataSet.

A. TableAdapter B. TblEmployBindingSource C. BindingSource D. DataGridView

Computer Science & Information Technology