Exam 5: Loops, Files, and Random Numbers

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When you want to write data to a text file, you create a file object using the ____________.

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Most programming languages provide two different ways to access data stored in a file: sequential access and direct access.

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____________ are commonly used to control the number of times that a loop iterates.

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You can change the default text displayed in the Save As dialog box's title bar by changing the SaveFileDialog control's DisplayText property.

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When the ++ and -- operators are written after their operands it is called ____________.

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When you work with a ____________, you access data from the beginning of the file to the end of the file.

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There are always three steps that must be taken when a file is used by a program: opening the file, processing the file, and then closing the file.

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The first expression that appears in the loop header of the for loop is the ____________, which is normally used to initialize a counter variable to its starting value.

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In code, you can display a Save As dialog box by calling the SaveFileDialog control's ____________ method.

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Because the for loop tests its Boolean expression before it performs an iteration, it is a ____________.

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A semicolon is required at the very end of a do-while loop.

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A ____________ contains data that has not been converted to text.

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Be careful not to place a statement that modifies the counter variable in the body of the ____________.

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In general, there are three types of files: text, binary, and bitmap.

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The ____________ is useful in applications that must open an existing file because it allows the user to browse the system and select the file.

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A random integer's range must begin at zero.

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Counter variables are commonly used to hold Boolean values that control the number of times that a loop iterates.

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If you are writing a while loop that has only one statement in its body, you do not have enclose the statement inside curly braces.

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To append data to an existing file, you open it with the ____________ method.

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It is possible to write a for loop in such a way that it will never iterate.

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