Visual Basic Programming - Prelim

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  • 1/50 Questions

    A high level programming language evolved from the earlier DOS version called BASIC.

    • Visual Basic
    • Java
    • C++
    • COBOL
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Visual Basic Quizzes & Trivia
About This Quiz

This 'Visual Basic Programming - Prelim' quiz assesses foundational knowledge in Visual Basic, covering topics like event procedures, controls, encapsulation, and more. It evaluates skills crucial for manipulating objects and coding in Visual Basic, essential for learners in programming.

Quiz Preview

  • 2. 

    A block of code that is executed when an object is manipulated in a program.

    • Event Procedure

    • Program Statement

    • Structural Procedure

    • Procedural Program

    Correct Answer
    A. Event Procedure
    Explanation
    An event procedure is a block of code that is executed when an object is manipulated in a program. It is used to respond to specific events or actions that occur during program execution. This type of procedure is commonly used in event-driven programming, where the program responds to user interactions or system events. The code within an event procedure typically performs a specific task or set of tasks in response to the event that triggered it.

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  • 3. 

    A tool used to create objects on a Visual Basic form.  It is used to create user interface elements.

    • Control

    • Method

    • Property

    • Class

    Correct Answer
    A. Control
    Explanation
    A control is a tool used in Visual Basic to create objects on a form and to create user interface elements. Controls can be buttons, text boxes, labels, or any other element that allows user interaction. They are essential for designing the layout and functionality of a Visual Basic application.

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  • 4. 

    The  result  (or  act)  of  hiding  the  implementation  details  (information hiding) of an object from its user.

    • Encapsulation

    • Abstraction

    • Inheritance

    • Polymorphism

    Correct Answer
    A. Encapsulation
    Explanation
    Encapsulation refers to the process of hiding the implementation details of an object from its user. It allows the object's internal state to be accessed and modified only through defined methods, providing a level of protection and security. By encapsulating the implementation details, the user is shielded from the complexities and can interact with the object using a simplified interface. This promotes code maintainability, reusability, and reduces dependencies, ultimately enhancing the overall design and functionality of the software.

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  • 5. 

    This is where you type in the code that VB executes. The heading of the window indicates with which event the code is associated.

    • Project Window

    • Property Window

    • Code Window

    • Form Window

    Correct Answer
    A. Code Window
    Explanation
    The code window is where the user types in the code that VB executes. The heading of the window indicates with which event the code is associated. This is where the user can write and edit the code for the program. The code window is where the actual programming takes place in Visual Basic.

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  • 6. 

    This property corresponds to the “contents” of a control and can be modified by end user.

    • Text Property

    • Caption Property

    • Back Color Property

    • Fore Color Property

    Correct Answer
    A. Text Property
    Explanation
    The given correct answer is "Text Property". The text property corresponds to the "contents" of a control and can be modified by the end user. This means that the text property allows the user to enter or modify the text displayed in a control, such as a textbox or label.

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  • 7. 

    This event fires when the input focus leaves it and passes to another control.

    • Lost Focus

    • Got Focus

    • Click

    • Change Event

    Correct Answer
    A. Lost Focus
    Explanation
    The event "Lost Focus" is triggered when the input focus of a control is no longer on it and has moved to another control. This event is commonly used to perform actions or validations when the user finishes interacting with a specific control and moves on to another one. It allows developers to handle the transition of focus between controls and perform necessary tasks accordingly.

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  • 8. 

    It is used to display static text, titles and screen output from operations.

    • Label Control

    • Text Box Control

    • Combo Box Control

    • Check Box Control

    Correct Answer
    A. Label Control
    Explanation
    The Label Control is used to display static text, titles, and screen output from operations. It is commonly used to provide descriptions or captions for other controls on a form. It does not allow user input and is typically used for displaying information rather than capturing it.

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  • 9. 

    A combo box-like control that’s automatically filled with your drive’s letters and volume labels.

    • DriveListBox

    • FileListBox

    • DirListBox

    • Combo List Box

    Correct Answer
    A. DriveListBox
    Explanation
    A DriveListBox is a control that is automatically filled with the letters and volume labels of the available drives on a computer. It allows the user to select a specific drive from a list of options. This control is commonly used in applications that require the user to choose a specific drive or location for file operations.

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  • 10. 

    It is a special-purpose ListBox control that displays all the files in a given directory, optionally filtering them based on the names, extensions, and attributes.

    • Combo List Box

    • DirListBox

    • FileListBox

    • DriveListBox

    Correct Answer
    A. FileListBox
    Explanation
    The FileListBox is a specialized ListBox control that is used to display all the files in a specific directory. It has the ability to filter the files based on their names, extensions, and attributes. This control is commonly used in applications where the user needs to select a file from a specific directory. It provides an easy and convenient way to browse through the files and select the desired one.

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  • 11. 

    It is used to group related set of controls.

    • Option Button

    • Frame Control

    • Label Control

    • List Box Control

    Correct Answer
    A. Frame Control
    Explanation
    The Frame Control is used to group a related set of controls together. It provides a visual container for the controls, allowing them to be organized and presented as a cohesive unit. This helps to improve the clarity and organization of the user interface, making it easier for users to understand and interact with the controls.

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  • 12. 

    It avoid unnecessary use of variables that are not declared or mistyped name of variables.

    • Option Explicit

    • Implicit

    • Default

    • Static

    Correct Answer
    A. Option Explicit
    Explanation
    The correct answer is "Option Explicit" because it helps avoid unnecessary use of variables that are not declared or mistyped name of variables. By using Option Explicit, the compiler requires all variables to be declared before they are used, which helps catch any potential errors or typos in variable names. This can greatly improve the accuracy and reliability of the code.

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  • 13. 

    The name of a user interface element you create on a Visual Basic form by  using  a  toolbox  control.

    • Objects

    • Control

    • Class

    • Method

    Correct Answer
    A. Objects
    Explanation
    When creating a user interface in Visual Basic, you can use the toolbox controls to add various elements to the form. These elements are referred to as objects. Therefore, the correct answer is "Objects."

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  • 14. 

    This is the only element of the IDE which is always visible.

    • Project Window

    • Main Window

    • Code Window

    • Form Layout Window

    Correct Answer
    A. Main Window
    Explanation
    The main window is the correct answer because it is the only element of the IDE that is always visible. The project window, code window, and form layout window can be opened and closed depending on the user's needs, but the main window is always present and provides access to all the other windows and features of the IDE.

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  • 15. 

    This is simply a library of controls which can be placed on the application.

    • Project Window

    • Toolbox

    • Code Window

    • Main Window

    Correct Answer
    A. Toolbox
    Explanation
    The toolbox is a library of controls that can be placed on the application. It allows users to easily add buttons, text boxes, and other interactive elements to their application without having to manually write the code for each control. The toolbox provides a convenient way to access and use pre-built controls, making the development process faster and more efficient.

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  • 16. 

    It is where   the   user   interface   is   actually designed.

    • Code Window

    • Main Window

    • Form Window

    • Project Window

    Correct Answer
    A. Form Window
    Explanation
    The form window is where the user interface is designed. This is the window where the layout and design of the interface elements, such as buttons, text fields, and menus, are created and arranged. It is the main workspace for designing the visual appearance and functionality of the user interface.

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  • 17. 

    It appears inside a control and can’t be directly modified by users.

    • Text Property

    • Caption Property

    • Picture Property

    • Back Color Property

    Correct Answer
    A. Caption Property
    Explanation
    The caption property refers to the text that appears inside a control, such as a button or a label. It is used to provide a descriptive label or title for the control. Users cannot directly modify the caption property as it is typically set by the developer in the code or through the control's properties window.

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  • 18. 

    It fires when a control receives the input focus.

    • Got Focus

    • Double Click

    • Change Event

    • Click

    Correct Answer
    A. Got Focus
    Explanation
    The "Got Focus" event fires when a control receives the input focus. This means that when a user clicks on or tabs to a particular control, such as a textbox or button, the "Got Focus" event will be triggered. This event can be used to perform specific actions or validations when a control becomes the active focus of user input.

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  • 19. 

    It is used to give the user a single choice from several options.

    • Check Box

    • Option Button

    • List Box

    • Label

    Correct Answer
    A. Option Button
    Explanation
    Option Button is used to give the user a single choice from several options. It allows the user to select only one option at a time. Unlike a check box, which allows multiple selections, the option button is used when the user needs to choose one specific option from a list. It is commonly used in forms and surveys where the user is required to make a single selection from a set of options.

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  • 20. 

    A control that provides a yes/no option to the user.

    • Check Box

    • Option Button

    • List Box

    • Label

    Correct Answer
    A. Check Box
    Explanation
    A check box is a control that allows the user to select either a yes or no option. It is typically represented by a small square box that can be checked or unchecked. This control is commonly used in forms or dialog boxes where the user needs to make a binary choice. When the check box is checked, it indicates a positive or true value, while when it is unchecked, it indicates a negative or false value.

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  • 21. 

    A number format having decimal places.

    • Single

    • Date

    • Object

    • Integer

    Correct Answer
    A. Single
    Explanation
    A "Single" is a number format that allows for decimal places. It is a data type in programming languages that represents a single-precision floating-point number, which means it can store decimal values with a certain level of precision. Unlike an "Integer" data type, which only stores whole numbers, a "Single" can handle fractional values as well. Therefore, "Single" is the correct answer as it aligns with the description of a number format with decimal places.

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  • 22. 

    A special data type that contain numeric, string or date as well as the special values Empty and Null.

    • Variant

    • Boolean

    • Object

    • String

    Correct Answer
    A. Variant
    Explanation
    A variant is a special data type that can contain numeric, string, or date values, as well as the special values Empty and Null. This means that a variant can store different types of data in a single variable. It is a flexible data type that can be used in situations where the type of data may vary.

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  • 23. 

    An event that occurs when the user left-clicks on a control.

    • Click

    • Got Focus

    • DblClick

    • Lost Focus

    Correct Answer
    A. Click
    Explanation
    The correct answer is "Click" because it is the event that occurs when the user left-clicks on a control. This event is triggered when the user interacts with the control by clicking on it with the left mouse button. The "Click" event is commonly used to perform actions or trigger functions in response to user input.

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  • 24. 

    A method of a list box where it deletes the item of index n from the list.

    • RemoveItem

    • ListCount

    • ListIndex

    • AddItem

    Correct Answer
    A. RemoveItem
    Explanation
    The correct answer is "RemoveItem" because it accurately describes a method of a list box that deletes an item from the list based on its index. This method is commonly used in programming to remove specific items from a list or list box.

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  • 25. 

    A control in VB that is invisible during run time.

    • Timer

    • List Box

    • Text Box

    • Label

    Correct Answer
    A. Timer
    Explanation
    A Timer control in VB is invisible during run time because its purpose is to execute a specific code at regular intervals without any visual representation on the form. It is commonly used for tasks such as updating the display or performing background operations without interrupting the user interface. The Timer control remains hidden during run time to ensure that it does not interfere with the user's interaction with other visible controls on the form.

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  • 26. 

    An enhanced version of single.

    • Double

    • Boolean

    • Byte

    • Date

    Correct Answer
    A. Double
    Explanation
    The correct answer is Double because "An enhanced version of single" implies that the answer is a data type that is similar to the "single" data type but improved or enhanced in some way. The Double data type in programming is a floating-point numeric data type that can represent decimal numbers with a higher precision and a wider range of values compared to the Single data type. Therefore, Double is the most suitable choice as an enhanced version of single.

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  • 27. 

    A method of a list box where it adds a string to the list.

    • AddItem

    • RemoveItem

    • ListCount

    • ListIndex

    Correct Answer
    A. AddItem
    Explanation
    The correct answer is "AddItem" because it accurately describes a method used in a list box to add a string to the list. This method is commonly used in programming to dynamically update the list of items in a list box by adding new strings.

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  • 28. 

    The benefit of being able to ignore the inner details of an object in order to focus on the aspects of the object needed to use.

    • Polymorphism

    • Abstraction

    • Inheritance

    • Encapsulation

    Correct Answer
    A. Abstraction
    Explanation
    Abstraction is the correct answer because it refers to the concept of being able to ignore the inner details of an object and focus only on the aspects that are necessary for its use. It allows us to simplify complex systems by breaking them down into smaller, more manageable parts. With abstraction, we can create classes and objects that hide their internal implementation details and only expose the necessary functionality to the outside world. This helps in creating more modular and maintainable code.

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  • 29. 

    The simplest statement in VB and stores information to a variable.

    • Assignment Statement

    • Print Statement

    • Comment Statement

    • Relational Statement

    Correct Answer
    A. Assignment Statement
    Explanation
    The correct answer is "Assignment Statement" because in Visual Basic, an assignment statement is used to store information to a variable. It is the simplest statement that allows us to assign a value to a variable, which can then be used and manipulated in the program.

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  • 30. 

    It is used to display information within the currently active form.

    • Print Statement

    • Relational Statement

    • Comment Statement

    • Assignment Statement

    Correct Answer
    A. Print Statement
    Explanation
    The print statement is used to display information within the currently active form. It allows the programmer to output text or variables to the console or other output devices. The print statement is commonly used for debugging purposes or to provide information to the user during program execution.

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  • 31. 

    A symbol that can be used to indicate comments in VB.

    • Apostrophe

    • Comma

    • Semicolon

    • Ampersand

    Correct Answer
    A. Apostrophe
    Explanation
    In VB, an apostrophe is used to indicate comments. Comments are lines of code that are not executed and are used to provide explanations or notes about the code. When an apostrophe is placed before a line of code, it is considered a comment and is ignored by the compiler. This allows programmers to add helpful information or reminders within their code without affecting its functionality.

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  • 32. 

    A type of statement that is ignored by Visual Basic.

    • Comment Statement

    • Assignment Statement

    • Relational Statement

    • Print Statement

    Correct Answer
    A. Comment Statement
    Explanation
    A comment statement is a type of statement in Visual Basic that is ignored by the compiler and does not affect the execution of the program. It is used to add explanatory or descriptive text within the code to make it more understandable for other programmers. Comment statements are typically used to provide information about the purpose or functionality of the code, or to temporarily disable a section of code without deleting it.

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  • 33. 

    A keyword that can also be used instead of an apostrophe for comments.

    • Rem

    • Dim

    • Static

    • Com

    Correct Answer
    A. Rem
    Explanation
    The keyword "Rem" is used in some programming languages, such as Visual Basic, as a shorthand for "remark" or "comment". It is used to indicate that the following text is a comment and should be ignored by the compiler or interpreter. Therefore, "Rem" can be used instead of an apostrophe for comments in these programming languages.

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  • 34. 

    A logical operator that reverses the logic or result of a certain condition.

    • AND

    • NOT

    • OR

    • Exclusive OR

    Correct Answer
    A. NOT
    Explanation
    The NOT operator is a logical operator that reverses the logic or result of a certain condition. It takes a single input and returns the opposite value. For example, if the input is true, the NOT operator will return false, and vice versa. This operator is commonly used to negate or invert a condition in programming or Boolean algebra.

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  • 35. 

    A logical operator that evaluates to true only when either or both of the component Boolean expressions evaluate to true.

    • Exclusive OR

    • OR

    • NOT

    • AND

    Correct Answer
    A. OR
    Explanation
    The correct answer is OR. The OR logical operator is used to combine two or more Boolean expressions and evaluates to true if either or both of the expressions evaluate to true. In other words, if any of the component Boolean expressions is true, the OR operator returns true.

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  • 36. 

    A logical operator that evaluates to true only when both the component Boolean expressions evaluate to true.

    • NOT

    • AND

    • OR

    • Exclusive OR

    Correct Answer
    A. AND
    Explanation
    The correct answer is AND. The AND logical operator returns true only when both of the component Boolean expressions are true. If either one or both of the expressions are false, the AND operator will evaluate to false. This means that both conditions must be met for the overall expression to be true.

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  • 37. 

    The result of this operator can be True or False.

    • Logical Operators

    • Relational Operators

    • Mathematical Operators

    • Scientific Operators

    Correct Answer
    A. Logical Operators
    Explanation
    Logical operators are used to perform logical operations in programming. These operators evaluate the truth value of a given expression and return either true or false. Examples of logical operators include AND, OR, and NOT. Therefore, the result of a logical operator can indeed be true or false.

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  • 38. 

    A variables in this scope do not retain their value once a procedure terminates.

    • Procedure level

    • Procedure level, static

    • Form level variable

    • Global level variable

    Correct Answer
    A. Procedure level
    Explanation
    Variables in the procedure level scope do not retain their value once the procedure terminates. This means that any variables declared within a procedure will only exist and hold their value for the duration of that specific procedure. Once the procedure is finished executing, the variables are destroyed and any values they held are lost. This is in contrast to variables declared at other levels such as form level or global level, which can retain their values even after the procedure has ended.

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  • 39. 

    A variable that retain their value and are available to all procedures within an application.

    • Global level variable

    • Form level variable

    • Procedure level, static

    • Procedure level

    Correct Answer
    A. Global level variable
    Explanation
    Global level variables are variables that retain their value and are available to all procedures within an application. This means that they can be accessed and modified by any procedure in the program. Global level variables are declared outside of any specific procedure and can be used throughout the entire application. They are useful when a value needs to be shared and accessed by multiple procedures.

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  • 40. 

    A variable that retain their value and are available to all procedures within that module.

    • Global level variable

    • Procedure level

    • Form level variable

    • Procedure level, static

    Correct Answer
    A. Form level variable
    Explanation
    Form level variables are variables that retain their value and are available to all procedures within a specific form or module. These variables are declared at the form level and can be accessed and modified by any procedure within that form or module. Unlike procedure level variables, which are only accessible within the specific procedure they are declared in, form level variables have a wider scope and can be used across multiple procedures within the same form or module. This allows for the sharing and persistence of data between different procedures within the form or module.

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  • 41. 

    (25 > 18) || (15 < 8)

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The given expression is a logical OR operation between two sub-expressions: (25 > 18) and (15 < 8). The first sub-expression is true because 25 is indeed greater than 18. The second sub-expression is false because 15 is not less than 8. However, since this is a logical OR operation, only one of the sub-expressions needs to be true for the whole expression to be true. Therefore, the overall result of the expression is true.

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  • 42. 

    ("Batch" = "batch") && !(55<=55)

    • True

    • False

    Correct Answer
    A. False
    Explanation
    The given expression evaluates to False. This is because the first part of the expression, "Batch" = "batch", is false as the two strings are not equal. The second part of the expression, !(55

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  • 43. 

    !("You"="Yuo")

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The given statement "!('You'='Yuo')" is a logical expression that evaluates whether the string "You" is equal to the string "Yuo". Since the strings are not equal, the expression is true. Therefore, the correct answer is True.

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  • 44. 

    (38>=12) OR !True

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The given statement is a logical expression that consists of two parts connected by the OR operator. The first part (38>=12) evaluates to True because 38 is indeed greater than or equal to 12. The second part (!True) evaluates to False because the negation of True is False. According to the rules of logical OR, if either of the two parts is True, then the whole expression is True. In this case, since the first part is True, the overall result is True.

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  • 45. 

    !(True OR (!True))

    • True

    • False

    Correct Answer
    A. False
    Explanation
    The given expression is "True OR (!True)". The "!" symbol represents the negation or opposite of the value that follows it. In this case, "True" is negated to become "False". The "OR" operator returns true if at least one of the operands is true. However, in this expression, the only operand is "False". Since "False" is not true, the overall expression evaluates to "False". Therefore, the correct answer is "False".

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  • 46. 

    (("Text" < "Txt") && !0) OR TRUE

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The given expression is a logical OR operation between two sub-expressions. The first sub-expression is ("Text" < "Txt") && !0, which evaluates to true because "Text" is less than "Txt" and !0 is true (as 0 is false and !0 is true). The second sub-expression is TRUE, which is always true. Since the logical OR operator returns true if any of the sub-expressions is true, the overall expression evaluates to true.

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  • 47. 

    (!(41>=29) || ("VB" = "VB"))

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The given expression is a logical OR operation between two conditions. The first condition is "!(41>=29)", which is false because 41 is not greater than or equal to 29. The second condition is ""VB" = "VB"", which is true because both strings are equal. Since the OR operator requires only one of the conditions to be true, and the second condition is true, the overall expression evaluates to true.

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  • 48. 

    ! ( ! ( ! ( 0 ) ) )

    • True

    • False

    Correct Answer
    A. True
    Explanation
    The given expression consists of nested negation operators. The innermost negation negates the value 0, resulting in 1. The next negation operator negates the result of the innermost negation, which is 1, resulting in 0. The outermost negation negates the result of the previous negation, which is 0, resulting in 1. Therefore, the final result of the expression is True.

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  • 49. 

    ( 14 = 31 OR ("J" < "j")) AND TRUE

    • True

    • False

    Correct Answer
    A. False
    Explanation
    The given expression consists of two parts joined by the AND operator. The first part, "14 = 31 OR ("J" < "j")", evaluates to False because neither of the conditions is true. The second part, TRUE, is always true. Since the AND operator requires both parts to be true for the whole expression to be true, the overall result is False.

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  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Jul 05, 2011
    Quiz Created by
    Jhaffjhaff26

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