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

About National Anthem of Pakistan:

• Written by: Hafeez Jalandhari in 1952
• Music by: Ahmad G. Chagla in 1949
• Adopted on: August 13, 1954
• First recorded by: Ahmed Rushdi in 1954
• Re-recorded after 68 years

• 15 lines in the National Anthem of Pakistan
• 48 words in the National Anthem of Pakistan
• First played in front of Raza Shah Rahalvi of Iran
• "Jan-i-Istaqbal" means Symbol of ambitions
• First played on national radio on August 14, 1947
• Duration of the National Anthem of Pakistan: 80 seconds (1 minute 20 seconds)
• Pakistan's National Anthem is written in: Persian

Explanation

The Temple of Heaven is located in the southeastern part of central Beijing. 

It was constructed from 1406 to 1420

During the reign of the Yongle Emperor of the Ming Dynasty.

The Anglo-French alliance occupied the temple during the Second Opium War.

Explanation

The dimension of work is like the dimension of Torque.             

Both work and torque have the same dimensional formula: [ML²T⁻²]

However, they are physically different quantities:  

- Work is a scalar (dot product of force and displacement).  

- Torque is a vector (cross product of force and radius).  

Explanation

The SI unit of heat is the joule (J).

Heat is a form of energy.

The joule is the standard unit for energy in the International System of Units (SI).

For instance, 1 joule of heat is the energy required to raise the temperature of 1 gram of water by 0.24°C. 

Explanation

Water is composed of atoms from two elements: hydrogen and oxygen.

A single water molecule (H₂O) consists of two hydrogen atoms and one oxygen atom, chemically bonded together. 

Hydrogen (H): Each water molecule has two hydrogen atoms.

Oxygen (O): Each water molecule has one oxygen atom.

Explanation

"Am" is a verb. 

"I" is a pronoun and "sick" is an adjective; as it comes between them, we can say that it is a verb.

Explanation

The shortcut key for underlining a word in MS Word is CTRL + U

Additional information:
Ctrl + A used to select all.

Ctrl + B is used for bold selection.

Ctrl + C is used to Copy selected text.

Ctrl + X is used for cutting selected text.

Ctrl + N is used to Open a new document.

Explanation

 At-Takathur is the 102nd chapter (surah) of the Quran, with 8 verses (ayat).

Summary

1-3 Men spend their time seeking the things of this world

3-5 The judgment day shall reveal their folly

6-8 In consequence, they shall see hell-fire 

Explanation

A magnitude that has zero magnitude is called a zero vector or null vector.

This type of vector has a magnitude of zero, and its direction is considered arbitrary or indeterminate.