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

• The Holy Prophet Muhammad (PBUH) spent 53 years in Makkah.

Additional information:

• Birth: 571 AD (Makkah)
• Prophethood began: 610 AD
• Migration (Hijrah): 622 AD
• Time in Madinah: 10 years (622–632 AD)

Last verified on 10-06-2026

Explanation

• Islamabad officially became the capital of Pakistan on 14 August 1967, under President Ayub Khan.
• The city was constructed starting in 1960.
• It is now the country's ninth-most populous city, with a population of over 1.2 million.
• Its postcode is 44000.
• Before being named the capital, the area was known as Raj Shahi.

Last verified on 30-03-2026

Explanation

• The Lahore Resolution was passed on 23 March 1940 at Minto Park, Lahore.
• Presented by A. K. Fazlul Huq
• Prepared text by Muhammad Zafarullah Khan
• It demanded separate states for Muslims of the subcontinent.
• It is also called the Pakistan Resolution.

Additional information:

Key Participants (by region)

1. Punjab → Zafar Ali Khan
2. Sindh → Sir Abdullah Haroon
3. Bengal → A.K. Fazlul Huq
4. KPK → Sardar Aurangzeb Khan
5. United Provinces → Khalid Zaman

Last verified 04-05-2026

Explanation

• The splitting of light into its constituent colors is called dispersion.
• White light splits into seven colors (VIBGYOR).
• It occurs when light passes through a prism.
• Different colors bend at different angles.
• This creates a spectrum of colors.

Last verified on 08-06-2026

Explanation

Networks are typically classified into four main types based on distance (geographical coverage):

1. PAN (Personal Area Network) – Very short distance (e.g., Bluetooth, USB connections).
2. LAN (Local Area Network) – Limited area (e.g., home, office, or school network).
3. MAN (Metropolitan Area Network) – City-wide coverage (e.g., ISP networks in a city).
4. WAN (Wide Area Network) – Large-scale, global reach (e.g., the Internet).

Last verified on 08-06-2026

Explanation

• Esoteric means باطنی
• Private means نجی
• Intended for a small group of people means ایسی چیز جو ایک چھوٹے، خصوصی گروپ کے ذریعہ سمجھی جاتی ہے یا اس کا مطلب ہے۔
• Perplexing means اسے سمجھنا اکثر مشکل ہوتا ہے۔

Last verified on 07-06-2026

Explanation

• Plan Name: First Five-Year Plan
• Duration: 1955–1960
• Country: Pakistan
• Main Focus: Education, agriculture, industrial development
• Objective: Economic and social development

Additional information:

• First Five-Year Plans (1955–1960)
• Second Five-Year Plans (1960–1965)
• Third Five-Year Plans (1965–1970)
• Fourth Five-Year Plans (1970–1975)
• Fifth Five-Year Plans (1978–1983)
• Sixth Five-Year Plan (1983–88)
• Seventh Five-Year Plan (1988–93)
• Eighth Five-Year Plan (1993–98)

Last verified on 17-05-2026

Explanation

• Singular noun: Mouse
• Plural noun: Mice 
• The plural for a computer mouse is either "mice" or "mouses" according to most dictionaries, with "mice" being more common.

Last verified on 06-06-2026

Explanation

The first constitution of Pakistan was enforced on March 23, 1956

Additional information

List of the Constitution of Pakistan 1947 to date

First:   1956 Constitution

• Adoption Date: 23rd March 1956

• Prime Minister: Chaudhry Muhammad Ali

• President: Iskander Mirza

Second: 1962 Constitution

• Adoption Date: 8th June 1962

• Prime Minister: Muhammad Ayub Khan (also President at the time)

Third: 1973 Constitution

• Adoption Date: 12th April 1973

• Prime Minister: Zulfikar Ali Bhutto

• President: Fazal Ilahi Chaudhry

  
  

  Last updated by NA on 25-April-2026