Explanation

• F7 is the shortcut key used to check Spelling and Grammar in Microsoft Word.

Additional information:

Key Function Keys (F1–F12)

1. F1 – Opens Help
2. F2 – Rename selected file/folder (Windows) / Edit active cell (Excel)
3. F3 – Opens Search
4. F4 – Alt + F4 closes the active window
5. F5 – Refreshes browser / Starts Slide Show in PowerPoint
6. F6 – Moves to the next pane in Microsoft Word
7. F7 – Spelling & Grammar Check
8. F8 – Enables Extend Mode in Excel
9. F9 – Updates/Refreshes fields in Microsoft Word
10. F10 – Activates the Menu Bar
11. F11 – Full-screen mode in browsers
12. F12 – Save As in Microsoft Word

Last verified on 09-07-2026

Explanation

• Ctrl + F2 is the shortcut key used for Print Preview in Microsoft Word.
• It allows users to preview a document before printing.
• Print Preview helps check the layout, margins, and page formatting.

Additional information:

• Ctrl + F2 → Print Preview
• Ctrl + D → Open Font dialog box
• Ctrl + F12 → Open a document
• Ctrl + H → Open Replace dialog box
• Ctrl + P → Print the document

Last verified on 06-07-2026

Explanation

• Microsoft Word is a word processing software developed by Microsoft.
• It was first released in 1983.
• It was launched on 25 October 1983 under the name Multi-Tool Word for Xenix systems.
• Microsoft Word is used to create, edit, format, and print documents.

Last verified on 06-07-2026

Explanation

• Classified documents contain sensitive/confidential information that is restricted to authorized personnel only.
• They are protected to prevent unauthorized access or disclosure.
• Such documents may relate to national security, defense, intelligence, or confidential government matters.
• Only officials with proper security clearance can access them.

Last verified on 08-07-2026

Explanation

• Blockchain technology is primarily associated with cryptocurrency and secure digital transactions.
• It is a decentralized digital ledger that records transactions securely and transparently.
• Blockchain reduces the need for intermediaries and makes data difficult to alter.
• It is widely used in cryptocurrencies, finance, supply chains, and digital identity systems.
• The technology became globally popular with the launch of Bitcoin in 2009.

Last verified on 08-07-2026

Explanation

• A Digital Signature is used for cryptographic authentication of identity and to verify that a document has not been altered.
• It provides authentication, integrity, and non-repudiation for electronic documents.
• Digital signatures are created using public key cryptography (PKI).
• They are widely used in e-governance, banking, legal documents, and online transactions.

Last verified on 08-07-2026

Explanation

• JPEG is a lossy image compression format that reduces file size by permanently removing some image data.
• It is widely used for digital photographs and web images.
• JPEG provides a good balance between image quality and file size.
• Repeated saving of a JPEG image may reduce its quality further.

Last verified on 08-07-2026

Explanation

• Current Number (C/No.) refers to the serial number assigned to the current file or correspondence.
• It is used to identify and track the movement of a file in an office.
• Each incoming or outgoing correspondence is given a unique current number for easy reference.
• The C/No. helps officials retrieve and monitor files efficiently.

Last verified on 08-07-2026

Explanation

• The IF function in MS Excel is used to perform conditional logic by testing whether a condition is TRUE or FALSE.
• It returns one value if the condition is true and another value if it is false.
• The IF function is one of the most commonly used logical functions in Excel.
• It helps automate calculations and decision-making.

Last verified on 08-07-2026

Explanation

• Two-Factor Authentication (2FA) is a security method that requires a password plus a second verification before granting access.
• It adds an extra layer of protection beyond a password alone.
• The second verification may be an OTP, fingerprint, face recognition, or an authentication app.
• Even if a password is stolen, 2FA helps prevent unauthorized access.
• It is widely used for email, banking, social media, and online accounts.

Last verified on 08-07-2026