Explanation

• Optimistic means پرامید
• Pessimistic means ناامید

Last verified on 22-07-2026

Explanation

• Zaynab bint al-Harith tried to poison the Holy Prophet Muhammad (ﷺ)
• She was a Jewish woman from Khaybar
• The Event: The attempt happened after the Battle of Khaybar
• Year: 7 A.H. (628 AD)
• Poison Used In: Roasted lamb (shoulder)
• Companion Martyred: Hazrat Bishr ibn al-Bara' (RA)

Last updated NS on 13-09-2026

Explanation

• SIM stands for Subscriber Identity Module.
• A SIM card securely stores the subscriber's identity and enables access to a mobile network.

Additional information:

• First SIM card developed: 1991
• Invented in: Munich, Germany
• Manufacturer: Giesecke+Devrient (G+D)
• PIN: Personal Identification Number
• PUK: Personal Unblocking Key

Last verified on 22-07-2026

Explanation

• First Polio Vaccine Introduced: 1955
• Developer: Dr. Jonas Salk
• Type: Inactivated Polio Vaccine (IPV)
• Oral Polio Vaccine (OPV): 1961
• Developer of OPV: Dr. Albert Sabin

Last verified on 20-07-2026

Explanation

• The Strait of Hormuz connects the Persian Gulf with the Gulf of Oman.
• Location: Between Iran and Oman/UAE
• Connects: Persian Gulf → Gulf of Oman → Arabian Sea
• Narrowest Width: 33 km
• Importance: Major global oil transit route
• Region: Middle East

Additional information:

• Strait of Bosporus – Black Sea ↔ Sea of Marmara
• Strait of Gibraltar – Atlantic Ocean ↔ Mediterranean Sea
• Strait of Malacca – Andaman Sea ↔ South China Sea
• Bering Strait – Arctic Ocean ↔ Pacific Ocean

Last verified on 10-07-2026

Explanation

• SAARC founded: 8 December 1985
• Full Form: South Asian Association for Regional Cooperation
• Headquarters: Kathmandu, Nepal
• Founding place: Dhaka, Bangladesh

SAARC Member Countries:

1. Afghanistan
2. Bangladesh
3. Bhutan
4. India
5. Maldives
6. Nepal
7. Pakistan
8. Sri Lanka

Last verified on 12-06-2026

Explanation

• WTO (World Trade Organization) was established on 1 January 1995.
• It succeeded GATT.
• Pakistan joined WTO on 1 January 1995.

Additional information:

• Members: 164
• Headquarters: Geneva, Switzerland
• Official Languages: English, French, Spanish

Objectives:

• Protect Intellectual Property Rights
• Promote Free Trade
• Remove Trade Quotas

Last verified on 16-01-2026

Explanation

The following nine countries are declared nuclear powers: 

1. USA
2. Russia
3. UK
4. France
5. China
6. India
7. Pakistan
8. Israel
9. North Korea

Nuclear weapons first developed in 1945 (USA).

Nuclear powers are divided into:

1. Official (NPT recognized): USA, Russia, UK, France, China
2. Non-NPT / de facto: India, Pakistan, Israel, North Korea

Last verified on 06-08-2026

Explanation

• GUI stands for Graphical User Interface.
• It is a type of user interface that allows users to interact with electronic devices using icons, windows, menus, and buttons instead of typing commands.
• The first GUI was developed at Xerox PARC in the early 1980s.

Additional information:

• CLI – Command Line Interface
• CUI – Character User Interface
• VUI – Voice User Interface
• NUI – Natural User Interface

Last verified on 03-07-2026

Explanation

• LAN is ideal for connecting computers in closely located buildings, such as within a campus or office block.
• LAN stands for Local Area Network.
• It offers high speed and cost-effective connectivity over short distances.

Last verified on 19-04-2026