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
What does **CRT** stand for?
Answer:
Cathode Ray Tube
A **CRT** is a vacuum tube containing one or more electron guns and a phosphorescent screen, used to display images.
2
What does **Mbps** stand for?
Answer:
Megabits per second
**Mbps** is a measure of data transfer speed (bandwidth). Note that 'bits' (small b) differs from 'Bytes' (big B).
3
What does **GHz** stand for?
Answer:
Gigahertz
**GHz** is a unit of frequency equal to one billion hertz.
4
What does **ISO** stand for (referring to the organization)?
Answer:
International Organization for Standardization
**ISO** is an international standard-setting body composed of representatives from various national standards organizations.
5
What does **DSLR** stand for in photography?
Answer:
Digital Single-Lens Reflex
A **DSLR** camera combines the optics and the mechanisms of a single-lens reflex camera with a digital imaging sensor.
6
What does **MP3** stand for?
Answer:
MPEG-1 Audio Layer III
**MP3** is a coding format for digital audio.
7
What does **QC** stand for?
Answer:
Quality Control
**QC** is a process by which entities review the quality of all factors involved in production.
8
What does **QA** stand for?
Answer:
Quality Assurance
**QA** is a way of preventing mistakes and defects in manufactured products and avoiding problems when delivering products or services to customers.
9
What does **STEM** stand for in education?
Answer:
Science, Technology, Engineering, and Mathematics
**STEM** is a broad term used to group together these academic disciplines.
10
What does **GMT** stand for?
Answer:
Greenwich Mean Time
**GMT** is the mean solar time at the Royal Observatory in Greenwich, London.