Using an operating system and file management

Correct answer: C. Maximise

Explanation: The governing concept is window management in an operating system. Selecting the Maximise button enlarges the active window so that it uses the available screen area, making its contents easier to view. Close exits the window, Minimise sends it to the taskbar, and Back changes the previous page or location rather than changing the window size. Therefore, option C is correct.

Correct answer: D. Close

Explanation: The governing concept is the function of operating-system window controls. The Close button ends the current window, usually by selecting the X in its upper-right corner. Minimise keeps the program running while hiding the window on the taskbar, Maximise enlarges it, and Restore returns it to an earlier size. Thus option D, Close, is the only suitable answer.

Correct answer: A. Minimise

Explanation: The governing concept is minimising an application window. Choosing Minimise removes the window from the main screen and places its button on the taskbar, but the program remains open and can be restored later. Maximise enlarges the window, Close ends it, and Restart reboots the computer. Therefore option A is correct because it matches the taskbar action.

Correct answer: B. File

Explanation: The governing concept is file management and data storage. A file is a named collection or unit of information saved on a computer, such as a document, image, or audio recording. A folder holds and organises files, while the desktop and taskbar are interface areas. Since the question asks for the named stored data unit, option B, File, is correct.

Correct answer: C. Folder

Explanation: The governing concept is organising digital information through a file-system hierarchy. A folder is a named location that groups related files and may also contain subfolders, making storage easier to browse. A driver manages or supports hardware, a cursor indicates position, and an icon is a visual symbol. Therefore option C, Folder, correctly identifies the organising location.

Correct answer: D. File Explorer

Explanation: The governing concept is navigating and managing the computer file system. File Explorer provides a visual interface for opening folders, viewing files, creating or renaming items, and moving or deleting them. A word processor edits text, a calculator performs numerical operations, and a media player plays media. Consequently, option D is the correct tool.

Correct answer: A. New Folder

Explanation: The governing concept is creating folders for file organisation. Selecting New Folder creates an empty named location in the current directory, after which files can be stored inside it. Delete removes an existing item, Rename changes an existing name, and Print produces a paper or digital printout. Therefore option A is the only command that creates a folder.

Correct answer: C. Copy

Explanation: The governing concept is duplication through clipboard commands. Copy places a duplicate of the selected file in the clipboard while leaving the original in its current location; Paste can then create the additional copy at a chosen destination. Cut prepares the original for moving, Delete removes it, and Rename changes only its name. Thus option C is correct.

Correct answer: D. Cut

Explanation: The governing concept is moving an item rather than duplicating it. To move a file, first select it and choose Cut; this places the item in the clipboard for relocation. Next, open the destination and choose Paste, so the file appears there and is removed from its original location. Copy leaves the original, while Open and Print do not relocate it. Therefore option D is correct.

Correct answer: A. Paste

Explanation: The governing concept is using the clipboard during file management. Paste inserts the item currently held in the clipboard into the selected destination, so it follows a Copy or Cut operation. Copy preserves the original and Cut prepares it for movement, but Paste performs the placement. Delete removes an item, Save records changes, and Close ends a window. Therefore option A is correct.

Correct answer: C. Recycle Bin

Explanation: The governing concept is temporary file deletion in an operating system. When a file is normally deleted, it is moved to the Recycle Bin rather than immediately removed from storage. This allows the user to restore it or permanently delete it later. Therefore, option C is correct. Documents and Downloads are storage folders, while the Desktop is only a workspace and does not normally receive deleted files.

Correct answer: B. Single-click

Explanation: The governing concept is selecting an item through a graphical user interface. A single click normally highlights a file and makes it the active selection. After selection, the user may open, copy, move, rename, or delete it. Therefore, option B is correct. A double-click generally opens the file, a right-click displays a context menu, and drag-and-drop moves or copies an item depending on the situation.

Correct answer: C. Double-click

Explanation: The governing concept is opening a selected file through a graphical operating-system interface. After locating the file, the usual action is to double-click it; the operating system then launches the program associated with that file type. Therefore, option C is correct. Dragging usually moves an item, right-clicking opens a context menu, and scrolling changes the view rather than opening the file.

Correct answer: D. File extension

Explanation: The governing concept is the role of a file extension in identifying file types. An extension is the part after the final period in a file name, such as .docx, .jpg, or .mp3. It helps the operating system and the user recognize which application may open the file. Therefore, option D is correct; folder colour, screen brightness, and mouse size do not identify file type.

Correct answer: A. DOCX

Explanation: The governing concept is matching a file extension with the kind of content stored in the file. DOCX is a common extension for a word-processing text document and is associated with applications such as Microsoft Word. Therefore, option A is correct. JPG and PNG are commonly used for images, while MP3 is used for audio. The extension provides a useful clue about the file’s format and expected application.

Correct answer: B. JPG

Explanation: The governing concept is identifying file types from their extensions. JPG, also written JPEG, is a widely used image format for photographs and other pictures. Therefore, option B is correct. MP3 normally represents an audio file, XLSX is associated with spreadsheet workbooks, and TXT represents plain text. The characters after the final dot help the operating system recognize the expected format.

Correct answer: C. .mp3

Explanation: The governing concept is recognizing common extensions and linking them to file formats. MP3 is a widely used compressed audio format, so option C is correct for a sound file. PNG is generally used for images, PDF for documents with preserved layout, and DOCX for word-processing documents. The extension appears after the final dot in a file name and helps users and software identify the expected type of content.

Correct answer: D. Sharing a document in a fixed format

Explanation: The governing concept is using PDF to preserve document presentation during sharing. A PDF commonly keeps text placement, fonts, images, and page layout consistent across different devices and operating systems. Therefore, option D is correct. PDF is not limited to playing music, recording video, or installing programs; those descriptions refer to unrelated functions or file types. Some PDFs may contain interactive features, but their main use remains document distribution.

Correct answer: A. Save

Explanation: The governing concept is saving a document to permanent storage. The Save command stores a new file for the first time, usually asking the user to provide a file name and choose a location. Therefore, option A is correct. Delete removes selected content or a file, Cut places content on the clipboard for moving, and Close shuts a document or window without being the command that initially stores the file. Saving regularly helps prevent loss of work.

Correct answer: B. Save As

Explanation: The governing concept is creating a separate file version without replacing the original. Save As opens a naming and location process, allowing the user to store the current content under a different name or in another folder. Therefore, option B is correct, and the original file remains available. Save may update the existing file, Undo reverses a recent action, and Open loads a file rather than creating a copy.

Correct answer: C. Search

Explanation: The governing concept is file searching in an operating system. The Search feature scans file names, parts of names, locations, and sometimes file contents to help locate the required item quickly. Therefore, option C is correct. Print creates a paper or digital copy, Shut down turns off the computer, and Lock restricts access; none of these is designed to locate a file.

Correct answer: D. Sort

Explanation: The governing concept is organising a file list by a selected attribute. Sort rearranges files according to criteria such as name, date modified, type, or size. Selecting Name places the entries in name order, so option D is correct. Restore returns an item or setting, Delete removes an item, and Paste inserts copied or moved content; none of these arranges the list.

Correct answer: B. Properties

Explanation: The governing concept is viewing file metadata. A file’s Properties window normally displays its size, type, location, creation details, and other information. Thus, option B is correct because opening Properties reveals the file size without changing the file. File colour and screen position are not standard size details, while mouse speed is a device setting unrelated to the file.

Correct answer: C. File path

Explanation: The governing concept is the file path. A path identifies where a file is stored by showing the drive, folders, subfolders, and file name, for example \(\texttt{C:\textbackslash School\textbackslash Science\textbackslash notes.docx}\). Therefore, option C is correct. A file name identifies the item, but the path identifies its complete location; colour, image, and sound are not location descriptors.

Correct answer: A. Files are found more quickly

Explanation: The governing concept is organised file management. Separating files into subject folders creates a clear structure, reduces clutter, and makes searching, opening, naming, and maintaining documents easier. Therefore, option A is correct: files can be found more quickly. Folder organisation does not enlarge the screen, increase printer speed, or change temporary RAM into permanent storage.