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

• The Slide Show tab is used to display all slides during a PowerPoint presentation.
• It starts the presentation in full-screen mode.
• You can begin the slideshow from the first slide or the current slide.

• F5 starts the slideshow from the first slide.
• Shift + F5 starts the slideshow from the current slide.

Last verified on 09-08-2026

Explanation

• Shortcut key to switch to the next/open window is Alt + Tab.
• It allows you to quickly move between open applications or windows.
• Hold Alt and press Tab to select another open window.

Additional information:

• Windows + Tab → Open Task View.
• Alt + F4 → Close the active window.
• Windows + D → Show or hide the desktop.
• Alt + Esc → Switch between open windows in their opening order.

Last verified on 07-08-2026

Explanation

• Obstinate means ضد کرنے والا
• Stubborn means ضدی

Last verified on 11-06-2026

Explanation

• Katpana Desert is a cold desert 
• Located in Skardu, Gilgit-Baltistan, Pakistan.
• Altitude: 2,226 meters above sea level
• Global ranking: 16th largest desert in the world
• Approximate area: ~50 km²
• Average winter temperature: -10°C to 5°C

Last updated 07-09-2026 by NA

Explanation

• Function: COUNT
• Purpose: Counts cells containing numbers only
• Syntax: =COUNT(range)
• Example: =COUNT(A1:A10)
• Ignores: Text, blank cells, and logical values (TRUE/FALSE)

Additional information:

• COUNTA → Counts all non-empty cells.
• COUNTIF → Counts cells that meet a specific condition.
• COUNTIFS → Counts cells meeting multiple conditions.
• COUNTBLANK → Counts blank cells.

Last verified on 18-07-2026

Explanation

• Charles Babbage is known as the Father of the Computer.
• He designed the more advanced Analytical Engine, which featured a "Mill" (CPU) and a "Store" (memory).

Additional information:

• He was an English polymath.
• Born: 26 December 1791 London, England
• Died: 18 October 1871 (aged 79) London, England

Last updated on 09-03-2026

Explanation

• Ctrl + D → Open Font dialog box

Additional information:

• Ctrl + H → Open Replace dialog box
• Ctrl + F12 → Open an existing document in Microsoft Word (Open dialog box)
• F12 → Save As
• Shift + F12 → Save document

Last verified on 02-07-2026

Explanation

• Humid means ہوا میں نمی یا پانی کے بخارات کا زیادہ ہونا
• Dry means بنجر
• Humid: Containing a high amount of water vapor or moisture in the air.
• Dry / Arid: Lacking moisture, water, or rain

Last updated 07-09-2026 by NA

Explanation

• Karachi is known as the "City of Lights" in Pakistan.
• This nickname in the 1960s and 1970s for its vibrant nightlife
• It is the largest city in Pakistan
• Known as the 'Economic Hub of Pakistan'.

Last updated on 11-02-2026