Computer Science/IT MCQs
Topic Notes: Computer Science/IT
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
5911
An online multiplayer game where players connect to a central game server is an example of:
Answer:
Client-server model
The central server manages the game state and coordinates the actions of all the players (clients).
5912
What is a hybrid model?
Answer:
A network that combines elements of both client-server and P2P models
Some systems, like Skype, use a central server for authentication (client-server) but establish direct connections between users for calls (P2P).
5913
A network that connects a company's offices in New York and London is a:
Answer:
WAN
A WAN is necessary to connect offices that are separated by such a large geographical distance.
5914
What does PAN stand for?
Answer:
Personal Area Network
PAN stands for Personal Area Network, which is a network for interconnecting devices centered on an individual person's workspace.
5915
What does a packet contain?
Answer:
All of the above
A packet is a formatted block of data that includes the payload (the actual data), header information (like source and destination IP addresses), and sometimes a trailer.
5916
Which model is better for a large corporation with thousands of employees?
Answer:
Client-server model
A large organization requires the centralized administration, security, and scalability that the client-server model provides.
5917
What is the main advantage of a wireless network over a wired network?
Answer:
Mobility and convenience
The primary benefit of wireless networks is the ability to connect devices without physical cables, allowing for greater mobility.
5918
A school's computer lab network is a:
Answer:
LAN
The network in a single computer lab is a classic example of a LAN.
5919
What is the primary function of a router?
Answer:
To connect different networks together
A router's main purpose is to route traffic between different networks, such as a home network and the internet.
5920
Which device is used only in a LAN?
Answer:
NIC
A Network Interface Card (NIC) is the essential hardware that connects a computer directly to a Local Area Network.