Explanation

• Mail Merge is a feature of Microsoft Word.
• It is used to create personalized letters, emails, labels, envelopes, and certificates for multiple recipients.
• Mail Merge combines a main document with a data source.

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Explanation

• Animations help reduce cognitive load when used appropriately.
• Simple animations guide the audience's attention to important information.
• They prevent too much information from appearing at once.
• Overusing animations can distract learners and reduce understanding.

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Explanation

• Ctrl + Shift + C → Copy Formatting

Additional information:

• Ctrl + Shift + V → Paste Formatting
• Ctrl + C → Copy
• Ctrl + V → Paste
• Ctrl + N → Create a New Document

Last verified on 15-07-2026

Explanation

• Co-founders: Bill Gates and Paul Allen
• Microsoft Founded: 4 April 1975
• First Windows Release: 20 November 1985
• Company Headquarters: Redmond, Washington, USA
• Current CEO: Satya Nadella

Last verified on 14-07-2026

Explanation

• Pressing the ESC key ends the PowerPoint Slide Show.
• It exits the presentation and returns to the editing (Normal) view.
• ESC is commonly used to stop a slideshow at any time.

Additional information:

• F5 – Start Slide Show from the first slide
• Shift + F5 – Start Slide Show from the current slide

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Explanation

• The Network Layer is responsible for routing data packets between networks.
• It is the 3rd layer of the OSI model.
• It determines the best path for data transmission.
• Routers mainly operate at the Network Layer.

Additional information:

• The Internet Protocol (IP) works at the Network Layer.
• The OSI model has 7 layers: Physical, Data Link, Network, Transport, Session, Presentation, and Application.

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Explanation

• A USB Flash Drive is commonly used to copy files from one computer to another.
• It is a portable storage device that connects through a USB port.
• It allows easy transfer and backup of data.
• It is widely used because it is small, fast, and reusable.

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Explanation

• LLM (Large Language Model) belongs to the field of Artificial Intelligence (AI).
• It is designed to understand and generate human language.
• LLMs use Natural Language Processing (NLP) techniques.
• They are trained on large amounts of text data.
• LLMs are used in chatbots, translation, writing, and coding assistance.

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Explanation

• Authentication (Login Program) runs before the desktop (GUI) is fully available to the user.
• It verifies the user's identity by asking for a username and password.
• After successful login, the operating system loads the user's desktop and graphical interface.
• This helps protect the computer from unauthorized access.

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Explanation

• An email can still be sent successfully even if the Subject field is left blank.

• Most email services display a warning asking whether you want to send without a subject.
• If you confirm, the email is sent normally.
• However, adding a subject makes the email more professional and easier to understand.

Last verified on 11-07-2026