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
261
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.
262
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.
263
What term relates to measuring data transmission efficiency?
Answer:
Bit Rate
Bit rate quantifies data transferred over time, impacting network performance. [cite: 222]
264
What is latency?
Answer:
The delay in data transmission from source to destination
Latency, also known as ping, is the time it takes for a single bit of data to get from one point to another. It's like the travel time on a highway.
265
Which model is the basis for most of the services you use on the internet?
Answer:
Client-server model
The vast majority of internet services, including websites, email, streaming video, and online banking, use the client-server model.
266
Which model typically has higher ongoing maintenance costs?
Answer:
Client-server model
The client-server model requires a skilled administrator to maintain the server and network, which adds to the cost.
267
What is the medium of transmission for a wired network?
Answer:
Physical cables
Wired networks use physical media like copper wires or fiber optic cables to transmit data.
268
Which model is easier to manage and administer?
Answer:
Client-server model
Centralized administration makes it much easier to manage user accounts, permissions, and security policies.
269
Bluetooth is an example of which type of network?
Answer:
PAN
A Personal Area Network (PAN) is a computer network for interconnecting electronic devices within an individual person's workspace. Bluetooth is a common technology used for PANs.
270
Which device lets you share your internet connection with multiple computers at home?
Answer:
Router
A home router is designed to take a single internet connection and share it among multiple devices.