Q1. What is the primary function of an Operating System (OS)?
a) To manage hardware resources
b) To connect to the internet
c) To edit documents
d) To display images
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Correct Answer: a) To manage hardware resources
Explanation: The Operating System (OS) is responsible for managing hardware resources such as the CPU, memory, and storage devices. It acts as an intermediary between the hardware and software applications, ensuring efficient operation and resource allocation.
Q2. Which of the following actions is performed using a mouse?
a) Clicking
b) Typing text
c) Executing a program
d) Managing files
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Correct Answer: a) Clicking
Explanation: Clicking is a fundamental mouse operation used to interact with graphical user interfaces, such as selecting items or executing commands. Other actions like typing and file management are typically performed using the keyboard or other tools.
Q3. What does ‘drag and drop’ involve in a computer system?
a) Moving an object by holding down the mouse button
b) Pressing multiple keys simultaneously
c) Scrolling through a document
d) Opening a program from the Start menu
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Correct Answer: a) Moving an object by holding down the mouse button
Explanation: ‘Drag and drop’ involves clicking and holding down the mouse button on an object (such as a file or icon) and moving it to a new location before releasing the button to drop it there. This is a common method for moving or copying items in a graphical interface.
Q4. What is the purpose of the ‘right-click’ function on a mouse?
a) To open the context menu
b) To select text
c) To start an application
d) To scroll through a page
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Correct Answer: a) To open the context menu
Explanation: Right-clicking on an item usually opens a context menu, providing additional options related to the item. This menu offers shortcuts for various actions, such as copying, pasting, or accessing properties.
Q5. Which key is used to delete text to the right of the cursor in most text editors?
a) Backspace
b) Enter
c) Delete
d) Shift
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Correct Answer: c) Delete
Explanation: The Delete key removes text or other objects to the right of the cursor, while the Backspace key removes text to the left. This is useful for editing and adjusting text content efficiently.
Q6. How do you typically start a computer?
a) By pressing the power button
b) By connecting to the internet
c) By opening a file
d) By logging into an account
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Correct Answer: a) By pressing the power button
Explanation: Starting a computer involves pressing the power button to initiate the boot-up process. This action powers on the system and begins loading the operating system and other startup programs.
Q7. What is the purpose of the ‘Task Bar’ in a desktop user interface?
a) To provide quick access to open applications and system functions
b) To display file extensions
c) To show the contents of a folder
d) To manage printer settings
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Correct Answer: a) To provide quick access to open applications and system functions
Explanation: The Task Bar is a feature of the desktop environment that displays currently running applications and provides quick access to system functions, such as the Start menu, system notifications, and the clock.
Q8. What is a shortcut in the context of a computer’s user interface?
a) An icon that links to a file, folder, or application
b) A button on the keyboard
c) A type of file extension
d) A command to shut down the computer
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Correct Answer: a) An icon that links to a file, folder, or application
Explanation: A shortcut is a special type of icon that provides quick access to a file, folder, or application. It allows users to open the linked item without navigating through multiple directories.
Q9. What does the ‘Scroll Bar’ do in a window?
a) Allows users to view content that is outside the visible area of the window
b) Closes the application
c) Deletes files
d) Opens the system settings
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Correct Answer: a) Allows users to view content that is outside the visible area of the window
Explanation: The Scroll Bar lets users navigate through content that exceeds the visible area of a window. It can be used to scroll horizontally or vertically to view additional content.
Q10. What function does the ‘Help’ feature provide in a software application?
a) Provides guidance and instructions on using the application
b) Deletes unwanted files
c) Installs new software
d) Opens the system’s file manager
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Correct Answer: a) Provides guidance and instructions on using the application
Explanation: The ‘Help’ feature offers users assistance, including instructions, tips, and troubleshooting information for using the application. It is designed to aid users in understanding and effectively utilizing the software’s features.