Explanation

• An Operating System (OS) is System software.
• It manages hardware resources and provides a platform for running application software.

Functions of an Operating System:

• Allocates resources
• Monitors activities
• Manages disks and files

Explanation

Acquainted is followed by with.

With is a preposition here.

Acquainted with someone means کسی سے واقفیت ہونا

I am not acquainted with her father. 

Explanation

Sir William Wallace was an independence fighter of Scotland,

known for his role in the Scottish Wars of Independence against English rule.

He rose to prominence in the late 13th century, notably leading the Scots to victory at the Battle of Stirling Bridge in 1297.

Explanation

He shows great ability in Mathematics.

Sara shows great ability in Physics.

We use "in" in the phrase "ability in Physics" because "in" is the correct preposition

"Ability in" + subject/field

"In" indicates the area where the ability exists.

Explanation

The fundamental units in the SI (International System of Units) are:

1. The meter (m) for length,
2. The kilogram (kg) for mass,
3. The second (s) for time,
4. The ampere (A) for electric current,
5. The kelvin (K) for thermodynamic temperature,
6. The mole (mol) for the amount of substance, 
7. The candela (cd) for luminous intensity.

These seven base units are independent and form the foundation of the SI system, from which all other units are derived. 

Explanation

Air Marshal Zaheer Ahmad Babar, is the 23rd and the current Chief of Air Staff of the Pakistan Air Force since 19 March 2021, he replace Mujahid Anwar Khan .

Zaheer Ahmad Babar joined the force in 1986 as a fighter pilot 

He belongs to Sidh, Gujrat.

Explanation

Al-Uzza was the name of specific Goddess of Quraish.

She was associated with fertility, protection, and warfare, and her shrine was located near Mecca.

The worship of Al-Uzza declined after the rise of Islam in the region.

Explanation

Explanation

The Temple of Heaven is a complex of religious buildings located in the southeastern part of central Beijing. 

Explanation

The word "Quran" occurs some 70 times in the Quran's text, and other names and words are also said to refer to the Quran.

The nominal proper noun 'Qur'an' comes from the 3 Arabic root letters (Qaaf, raa, and hamza).

ND17-7-2023