Explanation

• RAM and Cache are volatile memories.
• It means their data is lost when power is turned off.
• Volatile memory requires continuous power to retain data.
• RAM is used for running programs and storing temporary data.
• Cache is a high-speed memory that stores frequently used data for the CPU.

Additional information:

• ROM is non-volatile and retains data without power.

Last verified on 16-02-2026

Explanation

• In MS Word, Ctrl + J is used to justify text.
• Justified text is evenly aligned on both left and right margins.
• It is commonly used in books, newspapers, and formal documents.

Additional information:

• Ctrl + L → Left align
• Ctrl + E → Center align
• Ctrl + R → Right align

Last verified 29-05-2026

Explanation

• Email stands for Electronic Mail.
• It is a method of sending and receiving digital messages through the internet.
• The term electronic mail has been used with its modern meaning since 1975.
• The shorter form E-mail became common around 1979.

Additional information:

Parts of a valid email address:

1. Email Prefix
2. Email Domain

Address: example@mail.com

1. example = Email Prefix
2. mail.com = Email Domain

Last verified on 16-06-2026

Explanation

• GT Road: Grand Trunk Road
• Constructed/Developed by: Sher Shah Suri
• Purpose: Connected major cities and improved trade and travel.
• Original Name: Known as Sadak-e-Azam or Badshahi Sarak.
• Length: 3,655 km (2,271 mi)
• East end: Teknaf, Bangladesh
• West end: Kabul, Afghanistan

Explanation

• BCC stands for: Blind Carbon Copy
• Used in: Email communication
• Purpose: Hides recipient email addresses from other recipients

Additional information:

• CC (Carbon Copy): Recipients are visible to all
• BCC: Recipients are hidden from everyone except the sender

Last verified on 16-01-2026

Explanation

• Total bones in adult human body = 206
• At birth = 270–300 bones (fuse to become 206)

The total bones of our body can be divided into:

• Axial skeleton = 80 bones
• Appendicular skeleton = 126 bones

Additional information:

• Newborn baby has 300 bones
• Longest bone = Femur
• Shortest bone = Stapes
• Bones in human skull = 22

Last verified on 30-03-2026

Explanation

• Thar Desert is the largest desert in Pakistan.
• It is the only subtropical desert in Asia.
• It is the 3rd largest in Asia.
• It spans an area of 175,000 square kilometers.
• It covers large areas of Pakistan and India.

Pakistan hosts five major deserts which were historic forests:

1. Cholistan (Bahawalpur, Punjab)
2. Thal (Bakhar district of Punjab)
3. Katpana desert (Sakardu)
4. Kharan desert (Balochistan)
5. Thar desert (Sindh)

Last verified on 02-04-2026

Explanation

• Signed: 26 June 1945
• Place: San Francisco, USA
• Entered into force: 24 October 1945
• Articles: 111
• Chapters: 19

Last verified on 04-09-2026

Explanation

• Inventor: Tim Berners-Lee
• Collaborator: Robert Cailliau
• Year of invention: 1989 August
• Organization: CERN (European physics lab, Switzerland)
• First website: 1991 (public release)
• WWWW stands for World-Wide Web Worm.

Last verified on 24-06-2026

Explanation

• First Nobel laureate in Pakistan: Dr. Abdus Salam — 1979, Physics

Additional information:

• Last/most recent Pakistani Nobel laureate: Malala Yousafzai — 2014, Peace
• First Nobel laureate from Asia: Rabindranath Tagore — 1913, Literature
• First Nobel laureate in the world: Emil von Behring — 1901, Physiology or Medicine

Last verified on 07-09-2026