Explanation

• Stubborn means ضدی
• Inflexible means اٹل, جو بدل نہ سکے

Last verified on 21-06-2026

Explanation

• The shortcut key for Undo (last action reverse) is Ctrl + Z in most computer systems.
• It is used to cancel the last mistake or action.

Additional information:

• Ctrl + P = Print
• Ctrl + Y = Redo
• Ctrl + S = Save
• Ctrl + C = Copy command
• Ctrl + V = Paste
• Ctrl + C = Copy
• Ctrl + X = Cut
• Ctrl + Y = Redo

Last verified on 10-06-2026

Explanation

• Happy means خوش
• Lucky means خوش قسمت

Last verified on 10-06-2026

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

• PNG, JPEG, and GIF are image file formats used to store pictures.
• They are widely used in websites, graphics, and digital media.
• Each format has different compression and quality features.
• JPEG is best for photos.
• PNG for high-quality images.
• GIF for animations.

Last verified on 19-04-2026

Explanation

An absolute cell reference is a cell address that contains a dollar sign ($) in the row or column coordinate, or both.

A dollar symbol ($) is used before the coordinates to correct them.

For instance, $D$2 is an absolute reference to cell D2

Last updated 15-feb-2026

Explanation

The basic structure of a computer was developed by John von Neumann in 1945. 

It is known as the von Neumann architecture or von Neumann model,

He was the Hungarian-American mathematician and physicist 

Last updated 15-feb-2026

Explanation

Last updated 15-feb-2026

Explanation

GUI stands for graphical user interface

Origin: First developed at Xerox PARC in the early 1980s.

It is a type of user interface that interacts with electronic devices.

Examples: Microsoft Windows, Apple macOS, and mobile operating systems. 

Last updated 15-feb-2026

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Explanation

• BIOS stands for Basic Input Output System.

Additional information:

• BIOS is a firmware stored on a computer’s motherboard.
• Initializes hardware during booting and provides runtime services.
• Acts as an interface between operating system and hardware.

Last verified on 04-02-2026