Explanation

Optical Fiber Systems are utilized in Telecommunication Systems to transmit data as light signals through thin glass or plastic fibers.

It enabling high-speed internet, voice, and data communications over long distances.

Explanation

In 1714, Dutch scientist  Daniel Gabriel Fahrenheit invented the first reliable thermometer,

using mercury instead of alcohol and water mixtures.

In 1724, he proposed a temperature scale which now bears his name.

Galileo made his first telescope in 1609

Barometer Inventor: Evangelista Torricelli

Steam engine Inventor: Thomas Savery

Microscope Inventor: Zacharias Janssen

Explanation

The demarcation line was published on 17 Aug 1947 upon partition of India

 Sir Cyril John Radcliffe,  was made the Chairman of two boundary commissions of Punjab and Bengal

Boundary Commission,created in July 1947

To recommend how the Punjab and Bengal regions of the Indian subcontinent were to be divided.

The borderline that separated India from Pakistan, known as the Radcliffe Line was revealed.

The Radcliffe line is spread through the Rann of Kutch in Gujarat

The commission—appointed by Lord Mountbatten

Consisted of four members from the Indian National Congress

 four from the Muslim League

Chaired by Sir Cyril Radcliffe.

Explanation

THE 14TH ISLAMIC SUMMIT CONFERENCE Makkah, Saudi Arabia (31 May 2019)

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The 13th Islamic Summit Conference (Unity and Solidarity For Justice and Peace)  Istanbul, Republic of Turkey (14-15 April 2016)

12th Islamic Summit Conference (The Muslim World: New Challenges & Expanding Opportunities) Cairo, Egypt (6-7 February 2013)

11th Session of The Islamic Summit Conference (Session of The Muslim Ummah in The 21St Century) Dakar, Senegal (13-14 March 2008)

10th Session of The Islamic Summit Conference Putrajaya, Malaysia (16-17 October 2003)

9th Session of The Islamic Summit Conference Doha, State of Qatar (12-13 November 2000)

Explanation

Explanation

The Kūnaṛ River, also known in its upper reaches as the Mastuj, Chitral, or Kama River,

The Kūnaṛ River is located in Afghanistan and the KPK

The town lies along the Kunar River (also known as the Chitral River)

Kunar River gives its name to Kunar Province.

Length:480 km (300 mi)

ND27-9-2023

Explanation

• The Orange Revolution in Ukraine took place from November 22, 2004, to January 23, 2005.
• It was sparked by election fraud involving President Leonid Kuchma and Prime Minister Viktor Yanukovych.
• It leading to a re-run of the election and the victory of Viktor Yushchenko.

Explanation

COVID-19 is caused by a virus, specifically the SARS-CoV-2 virus.

The first infections with SARS-CoV-2 appeared in Wuhan in 2019.

Explanation

China has been a member of WTO since 11 December 2001.

 Hong Kong has been a member since 1995 (as "Hong Kong, China" since 1997) predating the People's Republic of China, which joined in 2001 after 15 years of negotiations.

WTO Formation: 1 January 1995; 28 years ago

WTO Headquarters: Centre William Rappard, Geneva, Switzerland

The WTO has 164 members and 25 observer governments

Explanation

MS Excel (Microsoft Excel) is a popular spreadsheet software program used for data analysis, calculation, and visualization.

It allows users to create and edit spreadsheets, charts, and graphs.

It is widely used in various fields such as business, finance, and education.

MS Excel is a part of the Microsoft Office suite and is used for:

• Data entry and management
• Calculations and formulas
• Chart and graph creation
• Data analysis and visualization
• Budgeting and forecasting

In MS Excel you can enter 3 types of Data in a cell,labels, values and formulas.