Explanation

• A firewall’s main function is to prevent or block unauthorized access to a computer network.
• It acts as a security barrier between trusted and untrusted networks (like the internet).
• It filters incoming and outgoing network traffic based on security rules.
• It helps protect systems from hackers and unwanted access attempts.

Last verified on 10-06-2026

Explanation

The three interior angles of every triangle always add up to 180 degrees

Basic Geometry Formulas

Triangle

• Area = ½ × Base × Height
• Perimeter = a + b + c
• Sum of angles = 180°

Rectangle

• Area = Length × Width
• Perimeter = 2(Length + Width)

Square

• Area = Side²
• Perimeter = 4 × Side

Circle

• Area = πr²
• Circumference = 2πr

Triangle angle

• Interior angles = 180°

Last updated by NA on 09-09-2026

Explanation

• An environment consists of the surroundings, conditions, and influences—both biotic (living) and abiotic (non-living)
• Environment means ماحول

Last updated by NA on 25-April-2026

Explanation

The pattern of the sequence appears to be formed by adding consecutive increments:

1 + 4 = 5

5 + 9 = 14

14 + 16 = 30

30 + 25 = 55

55 + 36 = 91

The next term in the sequence would be 91.

Verified & Updated

Explanation

• The CPU (Central Processing Unit) is the brain/heart of the computer.
• It processes data and executes instructions.
• It controls other parts of the system.

Additional information:

• First commercial CPU: Intel 4004 (1971)
• Invented by: Italian physicist Federico Faggin
• CPU Examples: Clock speeds – 3.0 GHz, 3.5 GHz, 4.0 GHz, 4.5 GHz, 5.0 GHz

Last updated by NA on 09-09-2026

Explanation

• The phrase "Out of the blue" means Unexpectedly/Suddenly.
• It refers to something happening without warning or surprise, like a sudden event or occurrence.

Last verified on 06-08-2026

Explanation

Explanation

• According to Islamic belief, the first structure of the Kaaba was built by Hazrat Adam (A.S).
• Later, it was rebuilt by Hazrat Ibrahim (A.S) and his son Hazrat Ismail (A.S).
• The Kaaba is located in Makkah.
• It is the holiest site in Islam.
• It is the direction (Qibla) for Muslim prayers.

Last verified on 25-04-2026

Explanation

• The 3rd June Plan was announced by Lord Louis Mountbatten
• Announcement date: 3 June 1947
• Also known as: Mountbatten Plan / Partition Plan
• Result: Creation of Pakistan and India
• Provinces divided: Punjab and Bengal

Last updated NA on 10-09-2026

Explanation

• Simla Agreement was signed on 2 July 1972.
• It took place in Shimla, India.
• Signed between Zulfikar Ali Bhutto and Indira Gandhi.
• It aimed to resolve issues after the 1971 war.
• Both countries agreed to settle disputes through bilateral talks.

Last verified on 29-04-2026