Given the language L, where:
L = {w$w’ : w is a possibly empty string of characters other than $,
w’ = reverse(w) }
which of the following strings is NOT in L?

a) XY$YX
b) Z$Z
c) $
d) XYZ$ZXY


D.

Computer Science & Information Technology

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What does the following code do, assuming that dblValue1 and dblValue2 are both declared as doubles?

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 dblValue1 = Double.Parse( txtInput1.Text );
 dblValue2 = Double.Parse( txtInput2.Text );

 txtOutput.Text = Convert.ToString( dblValue1 * dblValue2 );
 }

 catch ( FormatException formatExceptionParameter )
 {
 MessageBox.Show(
 "Please enter decimal values.",
 "Invalid Number Format",
 MessageBoxButtons.OK, MessageBoxIcon.Error );
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All constraints can be avoided or changed.

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

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How does Oracle9i make sure that the database is available to users at all times?

What will be an ideal response?

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