Explanation

• Cache Memory is the fastest memory.
• It is typically located inside or very close to the CPU.

Additional information:

• L1 Cache: Usually the fastest and smallest CPU cache.
• L2 Cache: Larger than L1 but generally slower.
• L3 Cache: Larger and usually shared among CPU cores.

Last verified on 09-08-2026

Explanation

• ROM (Read Only Memory) is a non-volatile storage device.
• It stores data permanently even without power.

Additional information:

• RAM (Random Access Memory) is a volatile storage device.
• It loses data when power is off.

Last verified on 17-06-2026

Explanation

• Headers and footers are visible in Page Layout View and Print Layout View.
• They appear at the top and bottom of a page.
• They can contain page numbers, dates, document titles, and other information.

Additional information:

• Page Layout View: Shows how the page will appear when printed, including headers and footers.
• Print Layout View: Displays the document with its page structure, including headers and footers.

Last verified on 02-10-2026

Explanation

• In MS Excel, every formula and function starts with the equal sign (=).
• The = tells Excel that the cell contains a formula, not plain text.
• Functions such as SUM, AVERAGE, and IF also begin with =.
• Without the =, Excel treats the entry as ordinary text.

Last verified on 10-02-2026

Explanation

• Ctrl + F10 → Maximize/Restore selected document window

Additional information:

• Alt + F4 → Close the active window
• Alt + Tab → Switch between open windows
• Windows + Up Arrow → Maximize the current window
• Windows + Down Arrow → Restore or minimize the current window

Last verified on 23-07-2026

Explanation

• Ctrl + Y is used for redoing the last undone action in most applications.

Additional information:

• - Ctrl + Z: Undo
• - Ctrl + X: Cut
• - Ctrl + C: Copy
• - Ctrl + V: Paste

Last verified on 09-08-2026

Explanation

• .pptx → Default PowerPoint Presentation (2007 and later)
• ppt → PowerPoint Presentation (97–2003)

Additional information:

• .ppsx → PowerPoint Show (opens directly as a slideshow)
• .potx → PowerPoint Template
• .pptm → Macro-enabled Presentation

Last verified on 11-07-2026

Explanation

• F5 is used to start a Slide Show from the beginning in Microsoft PowerPoint.
• It displays the presentation in full-screen Slide Show view.

Additional information:

• Shift + F5 starts the slide show from the current slide.
• F4 repeats the last action in many Microsoft Office applications.
• F6 moves between different areas of the PowerPoint window.

Last verified on 09-08-2026

Explanation

• A single page of a PowerPoint presentation is called a Slide.
• A slide is a single screen/page that contains text, images, charts, videos, or other presentation elements.
• A collection of slides forms a PowerPoint presentation.
• PowerPoint is a presentation software developed by Microsoft.
• Slides can be displayed using Slide Show mode.
• The default PowerPoint file extension is .pptx.

Last verified on 07-08-2026

Explanation

• Full Form: Portable Document Format (PDF)
• Developed by: Adobe Inc.
• Introduced: 1993
• Co-founder associated with Adobe: Charles Geschke
• Purpose: Reliable document sharing and viewing

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Last verified on 01-07-2026