Q51. What is the main purpose of the ‘Task Manager’ in Windows?
a) To view and manage running processes and applications
b) To open a new file
c) To customize system settings
d) To install new software
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Correct Answer: a) To view and manage running processes and applications
Explanation: The Task Manager provides information about currently running processes and applications, allowing users to monitor performance, end tasks, and manage system resources.
Q52. How can you quickly switch between open applications in Windows?
a) By pressing Alt + Tab
b) By using the Ctrl + C shortcut
c) By closing the taskbar
d) By clicking the ‘X’ button
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Correct Answer: a) By pressing Alt + Tab
Explanation: Alt + Tab allows users to quickly switch between open applications or windows. Holding the Alt key and tapping Tab cycles through open items, letting users select the desired window.
Q53. Which key combination is used to cut selected text or objects?
a) Ctrl + X
b) Ctrl + V
c) Ctrl + A
d) Ctrl + P
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Correct Answer: a) Ctrl + X
Explanation: The Ctrl + X key combination cuts the selected text or objects, removing them from the current location and placing them on the clipboard for pasting elsewhere using Ctrl + V.
Q54. What does the ‘Esc’ key typically do in a dialog box?
a) Cancels the current operation or closes the dialog box
b) Opens the help menu
c) Saves changes
d) Selects all text
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Correct Answer: a) Cancels the current operation or closes the dialog box
Explanation: Pressing the ‘Esc’ key in a dialog box usually cancels the ongoing operation or closes the dialog without saving changes. It provides a quick way to exit or dismiss a dialog box.
Q55. What is the function of the ‘Control Panel’ in Windows?
a) To configure system settings and manage hardware and software
b) To view running applications
c) To browse files and folders
d) To view system notifications
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Correct Answer: a) To configure system settings and manage hardware and software
Explanation: The Control Panel is used to configure system settings, manage hardware devices, and modify software preferences. It provides access to various administrative and customization options.
Q56. Which key is used to move the cursor to the beginning of a document?
a) Ctrl + Home
b) Ctrl + End
c) Page Up
d) Home
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Correct Answer: a) Ctrl + Home
Explanation: Ctrl + Home moves the cursor to the beginning of a document or the top of the current page. This shortcut is useful for quickly navigating to the start of a large document.
Q57. What does ‘Ctrl + X’ do when used in a file manager?
a) Cuts the selected file or folder
b) Opens a new folder
c) Renames the selected item
d) Moves the selected item to the recycle bin
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Correct Answer: a) Cuts the selected file or folder
Explanation: In a file manager, Ctrl + X cuts the selected file or folder, removing it from its current location and placing it on the clipboard. The item can be pasted to a new location using Ctrl + V.
Q58. What does the ‘Alt + F4’ key combination do when used on a desktop?
a) Closes the current window or application
b) Opens the file explorer
c) Minimizes all open windows
d) Refreshes the desktop
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Correct Answer: a) Closes the current window or application
Explanation: Alt + F4 closes the active window or application. This shortcut is used to quickly exit programs or windows without using the mouse or navigating through menus.
Q59. What does the ‘Ctrl + A’ key combination do?
a) Selects all text or items in the current document or window
b) Opens a new application
c) Pastes copied content
d) Saves the current document
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Correct Answer: a) Selects all text or items in the current document or window
Explanation: The Ctrl + A key combination selects all text or items in the current document or window. This shortcut is useful for performing actions on multiple items simultaneously, such as copying or formatting.
Q60. What is the function of the ‘Scroll Bar’ in a window?
a) Allows users to navigate through content that extends beyond the visible area
b) Opens the file manager
c) Closes the current window
d) Minimizes all windows
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Correct Answer: a) Allows users to navigate through content that extends beyond the visible area
Explanation: The scroll bar enables users to navigate through content that is larger than the visible area of the window. It provides a way to scroll horizontally or vertically to view additional content.