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29 Cards in this Set
- Front
- Back
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modularized program
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a program that is broken into smaller units of code, such as methods
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the return point
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the statement that appears immediately after the method call.
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top- down design
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Programmers commonly use this technique to break down an algorithm into methods
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A parameter variable
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often simply called a parameter, is a special variable that receives an argument when a method is called
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An array
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allows you to store a group of items of the same data type together in memory
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elements
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The storage locations in an array are known as
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a subscript
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Each element in an array is assigned a unique number known as
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an initialization list
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The series of values inside the braces and separated with commas is called
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the foreach loop.
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C# provides a special loop that, in many circumstances, simplifies array processing. the loop automatically iterates once for each element in the array. It is known as
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Garbage collection
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a process that periodically runs, removing all unreferenced objects from memory
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search algorithms
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Various techniques known as_______have been developed to locate a specific item in a larger collection of data, such as an array
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The sequential search algorithm
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uses a loop to sequentially step through an array, starting with the first element. It compares each element with the value being searched for and stops when the value is found or the end of the array is encountered.
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a reference copy
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Only a reference to the array object is copied, not the contents of the array object
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output file
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describe a file to which data is written
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A text file
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contains data that has been encoded as text using a scheme such as Unicode
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A binary file
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contains data that has not been converted to text
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direct access file
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(which is also known as a random access file), you can jump directly to any piece of data in the file without reading the data that comes before it.
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sequential access file
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access data from the beginning of the file to the end of the file
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a filename
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Files on a disk are identified by__________
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filename extensions
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short sequences of characters that appear at the end of a filename and are preceded by a period (which is known as a “dot”).
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A file object
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an object that is associated with a specific file and provides a way for the program to work with that file
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A newline character
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an invisible character that specifies the end of a line of text
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the Write method
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write an item to a file without a newline character immediately following it
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a read position.
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When a program works with an input file, a special value known as __________ is internally maintained for that file
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OpenFileDialog
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control displays a standard Windows Open dialog box
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dialog box
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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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the InitialDirectory property.
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specify another directory to be initially displayed
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the control’s Title property
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change the default text displayed in the title bar
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Load event
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When you run an application, the application’s form is loaded into memory and an event known as the _____takes place
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