Explanation

• Microsoft Excel provides tools to organize and view data efficiently.
• Filter allows users to display only specific data based on criteria without deleting rows.
• It helps in analyzing large datasets easily.

Last verified on 04-04-2026

Explanation

• Ransomware is a type of malware that encrypts user data and demands payment (ransom) to restore access.
• It is a major cybersecurity threat affecting individuals and organizations worldwide.
• Attackers usually demand payment in cryptocurrency.

Last verified on 04-04-2026

Explanation

• MS PowerPoint Consistency: Maintaining the same font, colors, and layout across slides is important for professional presentations.
• The Design feature applies a unified theme to all slides.
• It ensures consistent appearance throughout the presentation.

Last verified on 04-04-2026

Explanation

• Microsoft Excel provides tools to control and manage user input.
• Data Validation is used to create drop-down lists based on cell values.
• It helps ensure accurate and consistent data entry.

Last verified on 04-04-2026

Explanation

• Touch Typing is a method of typing without looking at the keyboard.
• The Home Row is the base position where fingers naturally rest.
• It includes keys like A, S, D, F, J, K, L, ;.

Last verified on 04-04-2026

Explanation

• Windows Key + L is the fastest shortcut to lock a computer instantly.
• It takes you directly to the lock screen without closing programs.

Additional information:

• Ctrl + Alt + Delete shows options menu.
• Alt + F4 closes active windows/programs.

Last verified on 03-04-2026

Explanation

• MS Word Security Feature: Used to protect documents from unauthorized editing.
• Restrict Editing allows users to limit or block editing with permissions or password.
• Commonly used for official or sensitive documents.

Last verified on 04-04-2026

Explanation

• Microsoft Excel provides features to automate data entry and save time.
• The Fill Handle is used to quickly fill a series like numbers, dates, or patterns by dragging.
• It appears as a small square at the bottom-right corner of a selected cell.

Last verified on 04-04-2026

Explanation

• Optical Fiber Systems are utilized in Telecommunication Systems to transmit data as light signals through thin glass or plastic fibers.
• It enabling high-speed internet, voice, and data communications over long distances.

Last verified on 03-04-2026

Explanation

• Keyboard → An input device used to enter data and commands.
• Inventor: Christopher Latham Sholes
• Function keys: 12 (F1–F12)
• Alphanumeric keys: A–Z and 0–9
• Punctuation keys: Comma, period, semicolon, etc.
• Special keys: Arrow keys, Caps Lock, Enter, Ctrl, Alt
• Longest key: Spacebar
• Standard keyboard: 101 keys

Last updated on 14-09-2026 by NA