Q31. How do you close an application window?
a) By clicking the ‘X’ button on the window’s title bar
b) By minimizing the window
c) By opening the task manager
d) By pressing the power button
Show Answer
Correct Answer: a) By clicking the ‘X’ button on the window’s title bar
Explanation: Clicking the ‘X’ button in the upper-right corner of a window closes the application. This action terminates the application, removing it from view but possibly leaving background processes running.
Q32. What is the function of the ‘Page Up’ key on a keyboard?
a) Moves the view up one page or screen
b) Deletes the current page
c) Moves the cursor down one page
d) Saves the current page
Show Answer
Correct Answer: a) Moves the view up one page or screen
Explanation: The Page Up key allows users to scroll up one page or screen in a document or application. It is useful for navigating large documents or web pages efficiently.
Q33. What is a typical use for the ‘Esc’ (Escape) key?
a) To cancel the current operation or exit a dialog box
b) To enter data into a form field
c) To open the file menu
d) To start a new application
Show Answer
Correct Answer: a) To cancel the current operation or exit a dialog box
Explanation: The ‘Esc’ key is used to cancel the current operation, close dialog boxes, or exit menus. It provides a quick way to return to the previous state or dismiss an ongoing task.
Q34. What does ‘cutting’ text or objects using Ctrl + X do?
a) Removes the selected content and places it on the clipboard
b) Duplicates the selected content
c) Saves the content to a file
d) Deletes the selected content permanently
Show Answer
Correct Answer: a) Removes the selected content and places it on the clipboard
Explanation: The Ctrl + X key combination removes the selected text or object and places it on the clipboard, allowing it to be pasted elsewhere using Ctrl + V. This action is useful for moving content between locations.
Q35. What is the purpose of a ‘context menu’?
a) Provides options related to the selected item or area
b) Displays system notifications
c) Manages system settings
d) Opens new applications
Show Answer
Correct Answer: a) Provides options related to the selected item or area
Explanation: A context menu offers relevant options or commands for the selected item or area, accessed by right-clicking. It provides shortcuts for common actions like copying, pasting, or accessing properties.
Q36. Which of the following is not a common file extension for image files?
a) .png
b) .mp3
c) .gif
d) .bmp
Show Answer
Correct Answer: b) .mp3
Explanation: The .mp3 file extension is associated with audio files, not images. Common image file extensions include .png, .gif, and .bmp, each representing different image formats.
Q37. What action does the ‘Ctrl + Z’ key combination perform?
a) Undoes the last action
b) Redoes the last undone action
c) Opens the find dialog box
d) Saves the current file
Show Answer
Correct Answer: a) Undoes the last action
Explanation: The Ctrl + Z key combination is used to undo the last action performed. It reverses changes made to a document or file, helping to correct mistakes or revert unintended modifications.
Q38. What does the ‘Ctrl + P’ key combination do in most applications?
a) Opens the print dialog box
b) Pastes the copied content
c) Opens the properties dialog box
d) Creates a new document
Show Answer
Correct Answer: a) Opens the print dialog box
Explanation: Pressing Ctrl + P typically opens the print dialog box, allowing users to configure print settings and send the document or image to a printer. This shortcut provides quick access to printing options.
Q39. Which of the following actions is performed by the ‘Delete’ key on a keyboard?
a) Removes text or objects to the right of the cursor
b) Moves the cursor to the previous line
c) Creates a new folder
d) Copies the selected text
Show Answer
Correct Answer: a) Removes text or objects to the right of the cursor
Explanation: The Delete key is used to remove text or objects to the right of the cursor. It helps in editing content by deleting characters, files, or other elements that follow the cursor position.
Q40. What does ‘File Extension’ refer to?
a) The suffix at the end of a file name that indicates the file format
b) A type of file encryption
c) The name of a folder
d) The process of backing up files
Show Answer
Correct Answer: a) The suffix at the end of a file name that indicates the file format
Explanation: A file extension is the suffix at the end of a file name (e.g., .txt, .jpg) that indicates the file format and determines which application can open it. It helps the operating system identify the file type.