Explanation

• John Napier was the discoverer of logarithms.
• He also invented the so-called "Napier's bones"
• He invented the logarithm in 1614.
• His purpose was to assist in the multiplication of quantities that were then called sines.

Last verified on 02-11-2026

Explanation

• Lewis Waterman invented the first practical fountain pen in 1884.
• He was an American inventor who improved the ink-feeding system.
• His design regulated ink flow and reduced leakage.
• The fountain pen stores ink in a reservoir and delivers it to the nib.

Last verified on 29-10-2026

Explanation

• First successful personal computer: Altair 8800
• Developed by: MITS
• Introduced in: 1975
• IBM PC launched: 1981

Last updated on 26 Oct 2026

Explanation

• Sergen Brin & Larry Page is the founder of Google.
• Sergey Brin is the real owner of Google.
• Google, a US multinational technology company.
• It is a type of search engine operating since 1997.
• It was founded in the year: September 4, 1998
• The Headquarters of Google is located in the city of California.
• Parent organization: Alphabet Inc.

Last verified on 31-03-2026

Explanation

• Name: NCSA Mosaic
• Released: 1993
• Developed by: National Center for Supercomputing Applications (NCSA)
• Famous for: Making the World Wide Web popular through its graphical interface.

Explanation

• First web browser: WorldWideWeb
• Invented by: Tim Berners-Lee
• Later name: Nexus
• Created: 1990
• Released: 1991
• Platform: NeXT computer
• First graphical web browser: NCSA Mosaic (1993)
• Programming Language: Objective-C
• Purpose: To access and browse web pages.

Explanation

Explanation

• Omar-Khayam was the first to develop the Binomial Theorem and determine binomial coefficients.

Additional information:

• Omar-Khayam was born in Iran in 1048 AD.
• He was a famous poet, mathematician, and astronomer.
• He introduced the Jalali Calendar.
• It is also known as the modern Solar Hijri calendar.

Last verified on 07-10-2026

Explanation

• Ole Rømer was the first person to experimentally demonstrate that light has a finite speed in 1676.
• He used observations of Jupiter’s moon Io to estimate the speed of light.

Additional information:

• The modern accepted speed of light in vacuum is 299,792,458 m/s.

Last verified on 07-10-2026

Explanation

• Brain Virus was created in 1986.
• It was created by Pakistani brothers Basit Farooq Alvi and Amjad Farooq Alvi.
• They were from Lahore, Pakistan.
• It is considered one of the first computer viruses for MS-DOS.

Last updated by NA on 06-11-2026