Computer Science I Test Questions
Course Introduction
Computer Science I introduces students to the fundamental principles of programming and computational thinking. The course covers the design, implementation, and testing of algorithms using a high-level programming language. Topics include variables, data types, control structures, functions, arrays, and basic object-oriented concepts. Students also learn about problem-solving strategies and gain hands-on experience through programming assignments and projects. This foundational course prepares students for further study in computer science and related disciplines.
Recommended Textbook
Starting out with Visual C# 4th Edition by Tony Gaddis
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11 Chapters
1111 Verified Questions
1111 Flashcards
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Chapter 1: Introduction to Computers and Programming
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161 Verified Questions
161 Flashcards
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Sample Questions
Q1) A(n) ____________ is any device that works with binary data.
A) electronic module
B) digital device
C) binary machine
D) computational tool
Answer: B
Q2) The fewer samples per second a song is divided into, the more it sounds like the original music when it is played back.
A)True
B)False
Answer: False
Q3) When you create a Visual C# application, use the ____________ window to examine and change a control's properties.
A) Properties
B) Solution Explorer
C) Designer
D) Attributes
Answer: A
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3
Chapter 2: Introduction to Visual C#
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131 Verified Questions
131 Flashcards
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Sample Questions
Q1) In C#, the equal sign (=) is known as the ____________.
A) equality operator
B) parity operator
C) assignment operator
D) transfer operator
Answer: C
Q2) The ____________ property allows you to set the font, font style, and size of a control's text.
A) Appearance
B) Text
C) Font
D) Graphics
Answer: C
Q3) Changing a form's Text property will change the form's name.
A)True
B)False
Answer: False
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Page 4
Chapter 3: Processing Data
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176 Verified Questions
176 Flashcards
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Sample Questions
Q1) Which one of the following statements assigns the value contained in the Text property of a TextBox control named ageTextBox to the Text Property of a Label control named ageLabel?
A) ageLabel = ageTextBox;
B) ageTextBox.Text = ageLabel.Text;
C) ageLabel.Text = ageTextBox.Text;
D) ageTextBox = ageLabel;
Answer: C
Q2) To convert a the contents of a string to any of the numeric data types, we use a family of methods in the .NET Framework known as the ____________.
A) Convert methods
B) itoa methods
C) ToString methods
D) Parse methods
Answer: D
Q3) The C# compiler will compile code that attempts to use an unassigned variable. A)True
B)False
Answer: False
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Chapter 4: Making Decisions
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78 Verified Questions
78 Flashcards
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Sample Questions
Q1) ____________ are useful when you want the user to select one choice from several possible choices.
A) Radio buttons
B) Check boxes
C) Buttons
D) Text boxes
Q2) Once you create a ListBox control, you add items you wish to display to its
A) Display property
B) Text property
C) Items property
D) Values property
Q3) An action that is ____________ occurs only when a certain condition is true.
A) conditionally executed
B) logically executed
C) interactively driven
D) truth bound
Q4) Variables of the double data type are commonly used as flags.
A)True
B)False
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Chapter 5: Loops, Files, and Random Numbers
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112 Verified Questions
112 Flashcards
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Sample Questions
Q1) The ____________ is a posttest loop, which means it performs an iteration before testing its Boolean expression.
A) for loop
B) while loop
C) do-while loop
D) do-before loop
Q2) When a program writes to an output file, a special value known as a translator keeps track of the current position in the file.
A)True
B)False
Q3) The ____________ is a method in by the StreamWriter class that writes an string to a text file without writing a newline character.
A) Print method
B) Text method
C) WriteLine method
D) Write method
Q4) It is possible to write a for loop in such a way that it will never iterate.
A)True
B)False
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Chapter 6: Modularizing Your Code with Methods
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69 Verified Questions
69 Flashcards
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Sample Questions
Q1) The statements that make up the method body are enclosed inside a set of curly braces.
A)True B)False
Q2) If you provide a default argument for the first parameter in a list, you do not need to provide default arguments for the remaining parameters.
A)True
B)False
Q3) void methods are useful for simplifying complex conditions that are tested in decision and repetition structures.
A)True
B)False
Q4) When you call a method that has an output parameter, you must also write the keyword out before the argument.
A)True B)False
Q5) The method header is always terminated with a semicolon. A)True B)False
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Chapter 7: Arrays and Lists
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Sample Questions
Q1) With what value should the accumulator variable be initialized to calculate the total of all values in a numeric array?
A) null
B) false
C) 0
D) 1
Q2) You can store a variety of data types in an array.
A)True
B)False
Q3) The first step in calculating the average of all values in a numeric array is to get the total of the values, and the second step is to multiply the total by the number of elements in the array.
A)True
B)False
Q4) To access an item that is stored in a particular row and column in a jagged array, you enclose the row and column subscripts in their own pairs of brackets..
A)True
B)False
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Chapter 8: More About Processing Data
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90 Flashcards
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Sample Questions
Q1) Unlike other types of objects, you cannot pass a structure object as an argument to a method.
A)True
B)False
Q2) When you declare an enumerated type, the enumerators are automatically assigned integer values, starting with 0, unless you provide other specific values.
A)True
B)False
Q3) You can use the assignment operator (=) to assign one structure object to another.
A)True
B)False
Q4) You can use a subscript expression such as name[3]='A' to change the value of a character within a string.
A)True
B)False
Q5) You can assign an enumerator directly to an int variable.
A)True B)False
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Chapter 9: Classes and Multiform Projects
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89 Flashcards
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Sample Questions
Q1) Once you have added a form to a project, you can place any controls on it and write the necessary event handlers for the controls.
A)True
B)False
Q2) The name of a class's constructor is the same as the name of the class.
A)True
B)False
Q3) To add an object of a class to a List, you use the ____________ method.
A) Class
B) Add
C) Insert
D) New
Q4) Once a form has been created, it cannot be removed from a Visual Studio project.
A)True
B)False
Q5) A form can be both modal and modeless.
A)True
B)False
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Chapter 10: Inheritance and Polymorphism
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Sample Questions
Q1) In object oriented programming, ____________ is used to create an "is a" relationship among classes.
A) inheritance
B) progression
C) logic
D) elimination
Q2) The ____________ inherits fields, properties, and methods from the base class without any of them having to be rewritten.
A) super instance
B) derived class
C) initialized object
D) copy class
Q3) A class that is not intended to be instantiated but is to be used only as a base class is called a concrete class.
A)True
B)False
Q4) You cannot assign a base class reference to a derived class variable.
A)True
B)False
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Chapter 11: Databases
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69 Flashcards
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Sample Questions
Q1) The ____________ identifies a column from the table to display in a ListBox control.
A) ShowColumn property
B) column name
C) DisplayMember property
D) DataSource property
Q2) When you click on the ____________ in a data-bound control, a tasks panel will appear, giving you a number of options you can perform.
A) options check box
B) smart tag
C) view button
D) taskbar
Q3) In SQL, the ____________ can be used to search for a substring.
A) Sub method
B) Contains statement
C) Who instruction
D) Like operator
Q4) Data stored in databases is organized into one or more tables.
A)True
B)False
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