Explanation

• During Windows installation, the BIOS (Basic Input Output System) setup can be accessed by pressing Del or F2 key immediately after turning on the computer.
• BIOS allows users to change boot order, system settings, and hardware configuration.
• BIOS setup is necessary to boot from USB or CD/DVD for installation.

Last verified on 10-02-2026

Explanation

• Microsoft Excel is Microsoft's spreadsheet program that can be used to organize, format, and calculate data.
• Microsoft Excel is a spreadsheet application used for calculations, charts, and data analysis

Last verified on 10-02-2026

Explanation

• The Undo feature in MS Word is used to discard the last changes made in a document.
• It allows users to reverse typing, formatting, or any editing mistakes.

Additional information:

• Redo: Re-applies the action that was undone
• Shortcut for Undo: Ctrl + Z

Last verified on 10-02-2026

Explanation

• In a democratic society, the media monitors government actions to ensure transparency and accountability.
• It informs citizens about policies, corruption, and public issues.
• Acts as a bridge between the government and people.

Last verified on 10-02-2026

Explanation

• Under the 1973 Constitution of Pakistan, the Head of Government is the Prime Minister.

Additional information:

• The President serves as the Head of State with a ceremonial role.

Last verified on 10-02-2026

Explanation

• Jamrats are the three stone pillars in Mina, Saudi Arabia.
• They represent the places where Satan tried to misguide Hazrat Ibrahim (AS) during his obedience to Allah.

Additional information:

• Ritual of Rami al-Jamarat is performed on 10–13 Dhu al-Hijjah.
• Symbolizes resisting evil and obedience to Allah.

Last verified on 10-02-2026

Explanation

• When a school boy uses only one strap, the entire weight of the bag rests on one shoulder.
• This increases pressure and strain on that shoulder compared to using two straps, where the weight is distributed evenly.

Last verified on 10-02-2026

Explanation

• Cooking utensils often have wooden handles because wood does not conduct heat well.
• This prevents burns and makes the utensil safe to hold even when the pot or pan is hot.

Last verified on 10-02-2026

Explanation

• Translatory motion is the motion in which all parts of a body move the same distance in a straight line or along a path.

Examples include:

• Linear motion – straight-line movement
• Vibrational motion – repeated back-and-forth movement along a line
• Oscillatory motion – motion to-and-fro about a fixed point

Rotatory motion involves rotation about an axis, so it is not translatory.

Last verified on 10-02-2026

Explanation

• The power of a lens (P) is given by the formula:
• P = 100/f (cm) or P = 1/f (m)
• Focal length (f) and power (P) are inversely proportional.
• So, if the focal length increases, the power decreases.

Additional information:

• Convex lens: Converging lens
• Unit of power: Diopter (D)

Last verified on 10-02-2026