Desktop Application Basic Desktop Application 5 — Questions and Answers
Question 1: What does the keyboard shortcut Ctrl+F typically do in a desktop application?
- Formats selected text as bold
- Opens a Find or Search dialog (Correct answer)
- Switches to full-screen mode
- Opens the File menu
Correct answer: Opens a Find or Search dialog
Ctrl+F opens a Find (search) dialog in most desktop applications, allowing users to locate specific text or content.
Question 2: In desktop applications, what is the function of the 'Redo' command?
- Repeats the last undo action, restoring what was undone (Correct answer)
- Saves a copy of the current document
- Refreshes the application window
- Re-opens the last closed file
Correct answer: Repeats the last undo action, restoring what was undone
Redo reverses an undo operation, reapplying the action that was previously undone; it is typically triggered with Ctrl+Y.
Question 3: What does it mean when a button or menu item appears grayed out in a desktop application?
- The option is currently in use by another process
- The option is unavailable based on the current context or selection (Correct answer)
- The option requires administrator privileges to activate
- The application is loading and all controls are temporarily disabled
Correct answer: The option is unavailable based on the current context or selection
Grayed-out (disabled) controls indicate the option is not applicable given the current state — for example, Paste is grayed out when the clipboard is empty.
Question 4: Which of the following describes a 'modal' dialog box in a desktop application?
- A dialog that updates in real time as you type
- A dialog that blocks interaction with the rest of the application until dismissed (Correct answer)
- A floating dialog that can be moved anywhere on screen
- A dialog that appears in a separate application window
Correct answer: A dialog that blocks interaction with the rest of the application until dismissed
A modal dialog requires the user to respond before they can interact with any other part of the application.
Question 5: In a desktop file explorer, what does 'file extension' refer to?
- The physical size of a file on disk
- The suffix at the end of a filename indicating its format (e.g., .docx, .pdf) (Correct answer)
- The folder path where the file is stored
- A note attached to the file by the operating system
Correct answer: The suffix at the end of a filename indicating its format (e.g., .docx, .pdf)
A file extension is the letters after the last period in a filename that identify the file type and which application should open it.
Question 6: What is the purpose of the 'Recent Files' or 'Recent Documents' list in a desktop application?
- To show files modified by other users on a shared network
- To provide quick access to files that were recently opened (Correct answer)
- To display files scheduled for automatic backup
- To list files that were recently deleted from the system
Correct answer: To provide quick access to files that were recently opened
The Recent Files list gives users a shortcut to quickly reopen documents they have worked on lately, without navigating through folders.
Question 7: What happens when you press Alt+F4 in a Windows desktop application?
- Opens the Format menu
- Closes the currently active window or application (Correct answer)
- Switches to the previous window
- Opens the application's help documentation
Correct answer: Closes the currently active window or application
Alt+F4 is the Windows keyboard shortcut to close the currently focused application window.
What does the keyboard shortcut Ctrl+F typically do in a desktop application?