Explanation

Edward Jenner was a physician and scientist who pioneered the concept of vaccines including creating the smallpox vaccine, the world's first ever vaccine.

He belonged to the British.

Explanation

Albert Bruce Sabin was a Polish American medical researcher.

Known for developing the oral polio vaccine which has played a key role in nearly eradicating the disease.

Explanation

John Ruskin coined the term "Pathetic Fallacy"

John Ruskin coined the term in the third volume of his work Modern Painters (1856)

The phrase pathetic fallacy is a literary term for the attribution of human emotion and conduct to things found in nature that are not human. 

Explanation

Instagram is an American photo and video sharing social networking service created by Kevin Systrom and Mike Krieger. 

Date launched: October 6, 2010

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VU CBT FIA  PAPER 30-12-2021

Explanation

Keyboard is an input device.

Keyboard is similar to electric typewriter.

Keyboard uses serial port to connect with computer.

Keys on keyboard are of mainly three types:

Alphanumeric keys: letters and numbers 

Punctuation keys: comma, period, semicolon, etc.

Special keys: function keys, arrow keys, caps lock key, etc. 
Keyboard inventor: Christopher Latham 

Explanation

Bitcoin was invented by Satoshi Nakamoto in 2008

Bitcoin was initially released: On 9 January 2009, Nakamoto released version 0.1 of the Bitcoin software on SourceForge 

Code: BTC, XBT

White paper: "Bitcoin: A Peer-to-Peer Electronic Cash System"

Symbols: BTC, ฿, ₿

Bitcoin: a virtual currency

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El Salvador 2021 become the first country in the world to officially classify Bitcoin as a legal currency.

Explanation

Alessandro Giuseppe Antonio Anastasio Volta was an Italian physicist, chemist.

who is credited as the inventor of the electrical battery and the discoverer of methane.

Explanation

Sir Isaac Pitman belonged to the UK, he was a teacher of the English language who developed the most widely used system of shorthand, known now as Pitman shorthand.

Explanation

 Mortimer Adler is often associated with essentialist philosophy of education.

 Mortimer Adler was an American philosopher and educator.

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Explanation

Homeopathy developed by: Dr. Samuel Hahnemann

Homeopathy developed in: Germany

World Homeopathy Day observed: 10 April

Samuel Hahnemann born: April 10, 1755