Data Structures and Algorithms
Final Exam
Course Introduction
Data Structures and Algorithms explores fundamental concepts and techniques for organizing, managing, and processing data efficiently in computer systems. The course covers foundational data structures such as arrays, linked lists, stacks, queues, trees, heaps, and graphs, as well as essential algorithms for sorting, searching, traversing, and problem-solving. Students will analyze the time and space complexity of algorithms, compare their effectiveness, and learn to select appropriate structures for different real-world applications. Through a combination of theoretical study and hands-on programming exercises, the course develops skills essential for designing robust, efficient, and scalable software solutions.
Recommended Textbook
C# Programming From Problem Analysis to Program Design 4th Edition by Barbara Doyle
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15 Chapters
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Chapter 1: Introduction to Computing and Programming
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Sample Questions
Q1) During which phase of software development should questions be asked to clarify the problem definition?
A) analysis
B) design
C) coding
D) testing
Answer: A
Q2) During the first phase of software development,you should make sure you understand the problem definition.
A)True
B)False
Answer: True
Q3) System software includes software such as the operating system.
A)True
B)False
Answer: True
Q4) Several third-party vendors are also marketing .NET-compliant languages.
A)True
B)False
Answer: True
Page 3
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Chapter 2: Data Types and Expressions
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Sample Questions
Q1) What would be stored in answer after the following arithmetic expression involving only integers,if the sign of the dividend is negative? int answer = -19 % -4;
A) -3
B) 3
C) 4.75
D) -4.75
Answer: A
Q2) The @ symbol in the following string,@ "C :\MyProjects",is called a(n)____________ character.
Answer: verbatim
Q3) Constants are normally named using all lowercase characters,separating second and subsequent words with the underscore character.
A)True
B)False
Answer: False
Q4) The number 11111111 in binary is equivalent to the number 255 in decimal. A)True
B)False Answer: True
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Chapter 3: Methods and Behaviors
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Sample Questions
Q1) One option to holding the screen at the end of a program is to invoke Console.Read( ).Another option is to call ____________.It obtains the next character or function key from the user.
Answer: ReadKey( )
Q2) The ____ parameter type cannot be used unless the original argument is initialized before it is sent to the method.
A) ref
B) in
C) out
D) params
Answer: A
Q3) A method used to convert from one base type to another is ____.
A) ChangeValue( )
B) Convert( )
C) ToDouble( )
D) Convert.ToDouble( )
Answer: D
Q4) When you assign a default value to a parameter,it then becomes a(n)____________ parameter.
Answer: optional
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Chapter 4: Creating Your Own Classes
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Sample Questions
Q1) After a project has been created and a new class added to your application,you can use the ____________ Window in Visual Studio to create a class diagram.
Q2) The return type for constructors is always the type of the class.
A)True
B)False
Q3) If you overwrite the ToString( )method,you should also override the other methods of the object class.
A)True
B)False
Q4) Instance methods are ____.
A) nonstatic methods.
B) also called class methods.
C) defined in the Main( ) method.
D) defined outside of the class.
Q5) A class is an instance of an object.
A)True
B)False
Q6) Accessor and mutators are ____________ methods
Q7) The body of the constructor methods consist primarily of ____________.
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Chapter 5: Making Decisions
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Sample Questions
Q1) A comparison to determine whether the uppercase character S is less than the uppercase character W produces false.
A)True
B)False
Q2) Forms of the if statement include one-way,two-way,____________,multiway,and compound.
Q3) Using a single equal symbol inside a conditional expression,where a test was intended,causes a syntax error to be issued in C#.
A)True
B)False
Q4) What is stored in result when amount is equal to 14?
A) 1
B) 2
C) 3
D) 4
Q5) Selection statements must include a Boolean variable.
A)True
B)False
Q6) The equality operator in C# is represented by ____________.
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Chapter 6: Repeating Instructions
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Sample Questions
Q1) An example for statement that has a compound initialization,compound test and compound update could be written as ____.
A) for (int r = 0; c = 5; r < 3 && c > 2; r++; c--)
B) for (int r = 0; c = 5; r < 3 ; c > 2; r++; c--)
C) for (int r = 0, c = 5; r < 3, c > 2; r++, c--)
D) for (int r = 0, c = 5; r < 3 && c > 2; r++, c--)
Q2) A common problem associated with counter-controlled loops is not executing the loop for the last value.This type of problem is labeled a(n)____ error.
A) off-by-one
B) last-value
C) counter controlled
D) boundaries
Q3) Unlike the sentinel-controlled loop,the variable used with a state-controlled loop differs from the variable used to store the data that is being processed.
A)True
B)False
Q4) When one of the program statement included within the body of a loop is another loop,a(n)____________ loop is created.
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Chapter 7: Arrays
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Sample Questions
Q1) What happens when you assign one array to another using the assignment operator?
A) An error message is generated.
B) Elements are copied to new memory locations.
C) Both arrays become value type data elements.
D) Both arrays reference the same memory locations.
Q2) Looking above,the value of price.Length is 5.
A)True
B)False
Q3) For an array that is dimensioned with a Length of 100,valid subscripts are 0 through 100.
A)True
B)False
Q4) The index is also referred to as the ____ of the array.
A) value
B) element
C) size
D) subscript
Q5) The type used in the foreach expression must match the array type.
A)True
B)False
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Chapter 8: Advanced Collections
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Sample Questions
Q1) Looking above,what does name[0,1] reference?
A) l
B) Ben
C) Alex
D) Al
Q2) Which of the following could be a method heading for a member method that returns a two-dimensional array?
A) int [ , ] void DoSomething( )
B) void int [ , ] DoSomething( )
C) int [ , ] DoSomething( )
D) void DoSomething[ , ]
Q3) With C#,you are limited to 10 dimensions for multi-dimensional arrays.
A)True
B)False
Q4) The above segment of code ____.
A) creates a jagged array
B) creates a syntax error
C) creates a 2 x 3 array
D) declares a three-dimensional array
Q5) The property ____________ returns the number of dimensions of the array.
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Chapter 9: Introduction to Windows Programming
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Sample Questions
Q1) A(n)____ is a notification from the operating system that an action,such as the user clicking the mouse or pressing a key,has occurred.
A) trigger
B) event
C) process
D) method
Q2) A derived class ____ methods of another class. A) inherits
B) overrides
C) extends
D) declares
Q3) The ____________ options enable you to increase or decrease the amount of blank space displayed between objects.
Q4) Which TextBox property can be set to enable several lines of data to be entered by the user?
A) MultiLine
B) ScrollBars
C) MaxLength
D) Lines
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Chapter 10: Programming Based on Events
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Sample Questions
Q1) Menus offer the advantage of requiring less real estate on the screen.
A)True
B)False
Q2) The this keyword is used to indicate the current instance of the delegate.
A)True
B)False
Q3) ListBox objects have an added feature in that they contain their own text box field as part of the object.
A)True
B)False
Q4) You can add a shortcut to a menu by preceding one of the characters in the menu name with a(n)____. This places an underline under the next character typed.
A) underscore (_ )
B) hyphen (-)
C) ampersand (&)
D) asterisk (*)
Q5) A number of objects can be wired to the same event-handler method.
A)True
B)False
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Chapter 11: Advanced Object-Oriented Programming
Features
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Sample Questions
Q1) To add dynamic link library components,add a reference to the components in your program and include a using directive.The reason for adding the using directive is to
A) enable the program to use class members
B) avoid fully qualifying references to class members
C) eliminate the syntax errors
D) enable an executable to be created
Q2) The Unified Modeling Language (UML)notation for the interfaces specifies that the name of the Interface methods should appear in italics.
A)True
B)False
Q3) When you override a method,the signatures of the methods must match.
A)True
B)False
Q4) Constructors,which use the same identifier as their class,are normally defined with protected access.
A)True
B)False
Q5) You can think of an interface as a class that is totally ____________.
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Chapter 12: Debugging and Handling Exceptions
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Q1) If you are filtering multiple exceptions,the order of placement of the exception clauses is important.If you are including the Exception class,it should always be placed
Q2) An exception that must be included if you use a specific construct describes a ____ exception.
A) thrown
B) generic
C) checked
D) caught
Q3) When more than one catch clause is included,____.
A) the order of the placement of these clauses is important
B) you must write a finally block
C) you must include System.Exception as one of the catch clauses
D) all of the above
Q4) Custom exceptions classes must derive from the System.SystemException class. A)True
B)False
Q5) You cannot write a catch clause unless you include it within a try block. A)True
B)False
14
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Chapter 13: Working with Files
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Q1) Values can be processed in any order.The fifth data record can be retrieved and processed before the first record is processed when ____________ access is used.
Q2) Prior to writing program statements that access data in a file,you should always check to make sure the file is available using the Available( )method.
A)True
B)False
Q3) None of the of the method named in the File and Directory classes are available as instance methods (with the same name)in the FileInfo and DirectoryInfo classes since they are available in File and Directory.
A)True
B)False
Q4) The StreamReader class extends the ____ class.
A) File
B) FileInfo
C) TextReader
D) IO
Q5) PadRight( )and PadLeft( )methods of the ____________ class can be use to right or left align values.
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Chapter 14: Working with Databases
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Q1) The SELECT statement can also be used to retrieve results from multiple tables by joining them using a common field.
A)True
B)False
Q2) You may not want to make a local copy of the database if ____.
A) updates or changes are being made to the database
B) it is a SQL Server database
C) this is the first time the database is accessed
D) you are not the database administrator
Q3) The Data Source Configuration Wizard simplifies connecting your application to a data source by guiding you through the process,automatically generating the connection
string,creating dataset and table adapter objects,and bringing the data into your application.
A)True
B)False
Q4) sConnection = "Provider=Microsoft.ACE.OLEDB.12.0;" + "Data Source=member.accdb";is an example of a(n)____________.
Q5) Typically when you are programming for database access,you use a(n)____________.
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Chapter 15: Web-Based Applications
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Sample Questions
Q1) Static web pages end with file extensions,namely ____.
A)htm
B)asp
C)aspx
D)asmx
Q2) HTML tags tell the browser how to display text in different formats,whereas XML uses tags as a format for describing data.
A)True
B)False
Q3) Dynamic Web pages normally involve some processing in addition to rendering the formatting of HTML tags.
A)True
B)False
Q4) To work with the calendar control programmatically,an object of the ____________ class is can be used to assign dates to the calendar's SelectedDate property.
Q5) The ASP.NET model extends the HTML file by including script code in the same file. A)True
B)False
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