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
6171
Which transmission system offers the highest data rate to a connected device?
Answer:
Computer bus
A computer bus supports the fastest data rate for devices within a computer compared to external lines.
6172
Which model is more scalable for a large number of users?
Answer:
Client-server model
The client-server model is more scalable because you can upgrade the server to handle more clients, and the administration is centralized.
6173
Which network has the smallest geographical range?
Answer:
PAN
A Personal Area Network (PAN) has the shortest range, typically covering just a few meters around an individual.
6174
What does Wi-Fi stand for?
Answer:
None of the above
Wi-Fi is a trademarked name for the IEEE 802.11 set of wireless networking standards. It does not stand for anything.
6175
What is the primary technology used in wired LANs?
Answer:
Ethernet
Ethernet is the most common technology for wired Local Area Networks (LANs).
6176
Which network type is most common in college labs?
Answer:
LAN
Local Area Networks (LANs) are used to connect computers within a limited geographical area, such as a school, office, or computer lab.
6177
Which device is required for two computers to communicate on the same LAN?
Answer:
A switch or a hub
To connect two computers on the same network, you need a central device like a switch or a hub.
6178
Which of the following is measured in milliseconds (ms)?
Answer:
Latency
Latency is a measure of time delay, so it is typically expressed in milliseconds.
6179
A "server" in the client-server model is:
Answer:
Both a and b
A server is both the hardware (a powerful computer) and the software (e.g., web server software, database server software) that runs on it to provide services.
6180
DSL service is identified as which type of connection?
Answer:
Broadband
DSL (Digital Subscriber Line) provides high-speed Internet and falls under broadband connections.