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
5971
A group of two or more computer systems connected to share data and resources is called what?
Answer:
Network
A network is a collection of computers and other hardware components interconnected by communication channels that allow sharing of resources and information.
5972
Which device is concerned with packets?
Answer:
Router
A router operates at the Network layer, which deals with data in the form of packets.
5973
A network for a single person is a:
Answer:
PAN
A Personal Area Network (PAN) is a network that is used by a single individual.
5974
The type of network commonly used in college labs is a:
Answer:
LAN
A Local Area Network (LAN) connects computers over a small geographical area like a single building or campus lab.
5975
What is "Quality of Service" (QoS)?
Answer:
A feature that allows a network to prioritize certain types of traffic
QoS is used to ensure that critical, time-sensitive applications (like VoIP) get the bandwidth and low latency they need, even when the network is busy.
5976
A "workgroup" in Windows is an example of a:
Answer:
Peer-to-peer network
A workgroup is a simple P2P network where computers can share files and printers without a central server.
5977
What is the main advantage of a WAN?
Answer:
Wide geographical reach
The main advantage of a WAN is its ability to connect devices and networks over very large distances.
5978
A switch connects:
Answer:
Both b and c
A switch is used to connect devices, such as computers and printers, within the same network.
5979
Networks using different technologies can be connected by:
Answer:
Routers
Routers are used to connect disparate networks and intelligently forward data between them.
5980
Which model is better for a small home network for sharing files between a few computers?
Answer:
Peer-to-peer model
For a simple home network, a P2P setup is easy and doesn't require the expense and complexity of a dedicated server.