### Which button on the mouse is used for a left-click? - [x] Left button - [ ] Right button - [ ] Middle button - [ ] Scroll wheel > **Explanation:** A left-click is performed by pressing the left button on the mouse. ### What is one common use for a left-click in most graphical user interfaces? - [ ] Change screen resolution - [x] Select an item - [ ] Open the task manager - [ ] Restart the computer > **Explanation:** A left-click is commonly used to select an item within graphical user interfaces. ### What action is performed when you double-click an icon with the left mouse button? - [ ] Delete the file - [x] Open the file - [ ] Rename the file - [ ] Move the file > **Explanation:** Double-clicking an icon with the left mouse button typically opens the file or application. ### Can the primary button for clicking be switched in a computer’s settings? - [x] Yes - [ ] No > **Explanation:** Most operating systems allow users to swap the primary mouse button, useful for left-handed users. ### Which settings customization often adjusts the response to a left-click? - [x] Click sensitivity - [ ] Screen brightness - [ ] Keyboard layout - [ ] Network settings > **Explanation:** Click sensitivity settings allow users to adjust how responsive the mouse is to a left-click. ### In a web browser, what does a left-click on a link do? - [ ] Clears the browser history - [x] Opens the link - [ ] Changes the homepage - [ ] Downloads the file > **Explanation:** A left-click on a link in a web browser opens the link. ### What is another term often associated with interactions performed using a left-click? - [ ] Booting - [ ] Printing - [ ] Formatting - [x] Selecting > **Explanation:** Selecting is a common term associated with left-click interactions. ### What typically happens if you left-click on an empty area of the desktop? - [x] The current selection is cleared - [ ] The desktop restarts - [ ] A file is deleted - [ ] The computer shuts down > **Explanation:** Left-clicking on an empty area of the desktop usually clears the current selection. ### In many software applications, left-clicking a button does what? - [ ] Changes the language settings - [x] Executes a command - [ ] Formats the hard drive - [ ] Opens the system settings > **Explanation:** Left-clicking a button in software applications generally executes a command. ### Is the left-click action the same across all applications? - [ ] Yes - [x] No > **Explanation:** The action performed by a left-click can vary depending on the specific application and context.