Explanation

• Modifier keys: Change the function of another key when pressed together.
• Shift: Types uppercase letters or accesses alternate symbols.
• Alt: Works with other keys to perform commands or shortcuts.

Explanation

• Ctrl + Enter inserts a page break in a Word document.
• It moves the cursor to the top of the next page without adding extra paragraphs.
• Useful for starting a new section or chapter.

Additional information:

• Enter – creates a new paragraph
• Shift + Enter – creates a new line without paragraph spacing
• Ctrl + Home – move cursor to the beginning of the document

Last verified on 08-03-2026

Explanation

• A hybrid topology combines two or more network topologies, such as star and bus.
• It offers flexibility and scalability.

Additional information:

• Star Topology: All devices connect to a central hub or switch.
• Bus Topology: All devices share a common backbone cable.
• Ring Topology: Devices are connected in a circular arrangement.

Explanation

• OCR stands for Optical Character Recognition
• OCR converts text in scanned documents or images into machine-readable text.
• It is used to digitize printed books and documents.

Explanation

• Ctrl + Z used for = Undo

Additional information:

• Ctrl + X used for = Cut
• Ctrl + Y used for = Redo

Last verified on 07-06-2026

Explanation

• In MS Word, the Help feature is used to get guidance about tools and commands.
• The shortcut key to open Help is F1.
• It opens Microsoft Word Help window or support page.

Additional information:

• F2: Used to move or rename text.
• F3: Inserts AutoText entries if available.
• F4: Repeats the last action performed.
• F5: Opens the "Find and Replace" dialog box with the "Go To" tab active.

Last verified on 29-05-2026

Explanation

• The ALU (Arithmetic Logic Unit) is the core component of the CPU.
• It performs both arithmetic operations (calculations) and logical operations (comparisons).
• Without ALU, a computer cannot process data.
• ALU works together with the Control Unit (CU).

Last verified on 06-05-2026

Explanation

• Start a presentation from the current slide: Shift+F5
• Start a presentation from the beginning: F5

Additional information:

• Ctrl + N: Create a new presentation document
• Ctrl + M: Insert a new slide
• Ctrl + S: save a presentation

Last verified on 26-05-2026

Explanation

• Windows Logo + F: Opens the file-search feature in older versions of Microsoft Windows.
• F3 Key: Commonly opens or activates the search function in Windows File Explorer.

Additional information:

• Ctrl + C: Copies the selected text, file, or folder.
• Ctrl + V: Pastes copied or cut content.
• Ctrl + X: Cuts the selected text, file, or folder.
• Ctrl + Z: Undoes the last action.
• Alt + F4: Closes the active window or application.

Last verified on 12-10-2026

Explanation

• HTML is the standard markup language used to create and structure web pages.
• HTML defines elements such as headings, paragraphs, images, links, and lists.
• HTTP is a protocol used to transfer web resources between clients and servers.

Last verified on 12-10-2026