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
4021
What is a 'Cookie' in web browsing?
Answer:
A small text file stored on your computer by a website
A cookie is a small piece of data sent from a website and stored on the user's computer by the user's web browser while the user is browsing.
4022
What is 'Malware'?
Answer:
Malicious Software
Malware is a blanket term for viruses, worms, trojans and other harmful computer programs hackers use to wreak destruction and gain access to sensitive information.
4023
What is a 'Firewall'?
Answer:
A network security system that monitors and controls incoming and outgoing network traffic
A firewall is a network security device that monitors and filters incoming and outgoing network traffic based on an organization's previously established security policies.
4024
What does 'OS' stand for?
Answer:
Operating System
OS stands for Operating System. It is the system software that manages computer hardware, software resources, and provides common services for computer programs.
4025
Which component is often referred to as the 'brain' of the computer?
Answer:
CPU
The CPU (Central Processing Unit) is responsible for interpreting and executing most of the commands from the computer's hardware and software.
4026
What is the basic unit of digital information?
Answer:
Bit
A 'Bit' (Binary Digit) is the smallest unit of data in a computer, represented as a 0 or 1.
4027
What is 'Botany'?
Answer:
The scientific study of plants
Botany, also called plant science(s), plant biology or phytology, is the science of plant life and a branch of biology.
4028
What is 'Geology'?
Answer:
The science that deals with the earth's physical structure and substance, its history, and the processes that act on it
Geology is an earth science concerned with the solid Earth, the rocks of which it is composed, and the processes by which they change over time.
4029
What is 'Biodiversity'?
Answer:
The variety of life in the world or in a particular habitat or ecosystem
Biodiversity is the variety and variability of life on Earth. Biodiversity is typically a measure of variation at the genetic, species, and ecosystem level.
4030
What is 'Solubility'?
Answer:
The ability of a substance (the solute), to mix into a liquid (the solvent)
Solubility is the property of a solid, liquid or gaseous chemical substance called solute to dissolve in a solid, liquid or gaseous solvent.