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
31
What is an 'Expert System' in AI?
Answer:
A computer system that emulates the decision-making ability of a human expert
An expert system is a computer program that simulates the judgment and behavior of a human or an organization that has expert knowledge and experience in a particular field.
32
What is 'Edge Computing'?
Answer:
Computing done near the source of the data rather than a centralized cloud
Edge computing creates a distributed computing framework that brings enterprise applications closer to data sources such as IoT devices or local edge servers.
33
In Quantum Computing, what is the basic unit of information?
Answer:
Qubit
A Qubit (quantum bit) is the basic unit of quantum information, capable of representing a 0, a 1, or a superposition of both states simultaneously.
34
What is 'Spyware'?
Answer:
Malicious software that gathers information about a person/organization without their knowledge
Spyware is software that aims to gather information about a person or organization, sometimes without their knowledge, and send such information to another entity.
35
What represents text in computers using a 7-bit or 8-bit code (e.g., 'A' is 65)?
Answer:
ASCII
ASCII (American Standard Code for Information Interchange) is a character encoding standard for electronic communication, representing text in computers.
36
What is a 'MAC Address'?
Answer:
A unique identifier assigned to a network interface controller
A Media Access Control (MAC) address is a unique identifier assigned to a network interface controller (NIC) for use as a network address in communications within a network segment.
37
What is the primary function of a 'Router'?
Answer:
To forward data packets between computer networks
A router is a networking device that forwards data packets between computer networks, directing traffic on the Internet.
38
What is 'Cache' memory?
Answer:
High-speed memory that stores frequently used instructions/data
Cache is a smaller, faster memory, located closer to a processor core, which stores copies of the data from frequently used main memory locations.
39
What is the difference between a 'Stack' and a 'Queue' data structure?
Answer:
Stack is LIFO, Queue is FIFO
A Stack follows Last-In-First-Out (LIFO) (like a stack of plates), while a Queue follows First-In-First-Out (FIFO) (like a line at a store).
40
Which programming language is known for the slogan 'Write Once, Run Anywhere'?
Answer:
Java
Java was designed with the philosophy that compiled Java code can run on all platforms that support Java without the need for recompilation.