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
6131
What is necessary for connecting two computers?
Answer:
All of the above, plus access to a transmission medium
Software, hardware, a protocol, and a communication medium are essential for computer communication.
6132
What is the main disadvantage of a PAN?
Answer:
Limited range
The primary limitation of a PAN is its very short range, which restricts its use to a small personal area.
6133
Which network type would be used to provide internet access to a whole city?
Answer:
MAN
A city-wide internet service would be provided over a Metropolitan Area Network (MAN).
6134
What does "full-duplex" mean in the context of a wired network?
Answer:
Data can be sent and received simultaneously.
Full-duplex communication, common in wired Ethernet, allows for two-way data transmission at the same time.
6135
What is a "peer" in a P2P network?
Answer:
A computer that can be both a client and a server
The defining feature of a P2P network is that each peer has equivalent capabilities and can share and request resources.
6136
More hops generally lead to:
Answer:
Higher latency
Each hop adds a small amount of processing delay, so a path with more hops will have a higher overall latency.
6137
What is a packet?
Answer:
A small unit of data that is routed through a network
In packet switching, messages are broken down into these small, manageable units called packets.
6138
What is a broadcast domain?
Answer:
A network segment where a broadcast frame is forwarded
A broadcast domain is a logical division of a computer network, in which all nodes can reach each other by broadcast at the data link layer.
6139
BitTorrent, a file-sharing protocol, is an example of:
Answer:
Peer-to-peer model
BitTorrent allows users (peers) to download files from each other directly, without a central server hosting the entire file.
6140
What term relates to measuring data transmission efficiency?
Answer:
Bit Rate
Bit rate quantifies data transferred over time, impacting network performance. [cite: 222]