A Windows program is frozen and unresponsive. Which listed shortcut opens access to Task Manager or the Windows security screen?

### Why this is right The material identifies Ctrl+Alt+Delete as the Windows shortcut that opens a screen with access to Task Manager. Task Manager can close an unresponsive program using End task. ### The concept Task Manager lists programs currently in use and can stop unresponsive programs or background tasks. This is different from a normal close command when an application has stopped responding. ### The other options - **B. Ctrl+F**: opens search tools in most programs. - **C. Ctrl+S**: saves a file. - **D. Alt+F4**: closes a window, but is not the listed shortcut to access Task Manager. ### Terms - **Task Manager**: a Windows utility that displays running programs and can end tasks. ### Remember Use Ctrl+Alt+Delete to reach Windows Task Manager options.