When performing a buy versus build analysis, how can purchasing ready-made software lead to a higher return on the investment?
What will be an ideal response?
Ready-made software allows users to simply purchase and install it in a matter of minutes. Systems development can take months or years from start to finish. In a world where time is money, it is much more efficient to purchase something off the shelf as opposed to reinventing the wheel. Additionally, ready-made software has been tested, used, and is generally a reliable product that offers support as needed.
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Suppose you want to verify that the user has entered a value into a text box named txtInput. Which of the following code segments responds with an appropriate message if the user does not enter a value?
a.``` If txtInput.text <> "" Then lblStatus.Text = “No data has been entered” End If ``` b.``` If txtInput.Text = " " Then lblStatus.Text = “No data has been entered” End If ``` c.``` If txtInput <> String.Empty Then lblStatus.Text = “No data has been entered” End If ``` d.``` If txtInput.Text = String.Empty Then lblStatus.Text = “No data has been entered” End If ```
Two or more methods in a class may have the same name as long as __________.
a. they have different return types b. they have different parameter lists c. they have different return types but the same parameter list d. You cannot have two methods with the same name.
The ________ pane in Normal view allows you to focus on one particular topic at a time
A) Slides B) Sorter C) Notes D) Outline
________ is a group of related data points represented by data markers
A) A data series B) A value axis C) The x-axis D) The y-axis