General Knowledge MCQs
Topic Notes: General Knowledge
MCQs and preparation resources for competitive exams, covering important concepts, past papers, and detailed explanations.
Plato
- Biography: Ancient Greek philosopher (427–347 BCE), student of Socrates and teacher of Aristotle, founder of the Academy in Athens.
- Important Ideas:
- Theory of Forms
- Philosopher-King
- Ideal State
1
Who is known as the 'Father of Information Theory'?
Answer:
Claude Shannon
Claude Shannon founded information theory with his 1948 paper 'A Mathematical Theory of Communication,' quantifying data transmission.
2
Who is considered the father of theoretical computer science and artificial intelligence?
Answer:
Alan Turing
Alan Turing formalized the concepts of algorithm and computation with the Turing machine and proposed the Turing Test for AI.
3
Who co-invented Ethernet?
Answer:
Robert Metcalfe
Robert Metcalfe invented Ethernet at Xerox PARC in 1973, which became the standard for connecting computers in local area networks.
4
Who is known as one of the 'fathers of the Internet' for co-designing the TCP/IP protocols?
Answer:
Vint Cerf and Bob Kahn
Vint Cerf and Bob Kahn designed the Transmission Control Protocol/Internet Protocol (TCP/IP), the fundamental architecture of the Internet.
5
Who used a pendulum to demonstrate the rotation of the Earth?
Answer:
Léon Foucault
Foucault's pendulum experiment in 1851 provided simple, direct proof of the Earth's rotation.
6
Who invented bifocal glasses?
Answer:
Benjamin Franklin
Benjamin Franklin invented bifocals in the 18th century so he wouldn't have to switch between distance and reading glasses.
7
Who invented the reflecting telescope?
Answer:
Isaac Newton
Newton built the first reflecting telescope in 1668, which uses mirrors instead of lenses to avoid chromatic aberration.
8
Who invented logarithms?
Answer:
John Napier
John Napier, a Scottish mathematician, invented logarithms in 1614 to simplify complex calculations.
9
Who invented the first seismoscope to detect earthquakes?
Answer:
Zhang Heng
Chinese polymath Zhang Heng invented the first seismoscope in 132 AD, which dropped a bronze ball to indicate the direction of an earthquake.
10
Who developed the Richter scale for measuring earthquake magnitude?
Answer:
Charles Richter
Charles Richter developed the scale in 1935 to quantify the energy released by earthquakes.