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
3741
A fiber optic connection generally has:
Answer:
High bandwidth and low latency
Fiber optic technology offers both very high capacity (bandwidth) and very low delay (latency) because data travels at nearly the speed of light.
3742
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.
3743
What is the primary purpose of a WAN?
Answer:
To connect multiple LANs over a large geographical area
A primary function of a WAN is to interconnect geographically dispersed LANs, allowing for communication between them.
3744
Programs like Internet Explorer that allow navigation of the web are called:
Answer:
Web browsers
Web browsers are software applications designed for retrieving, presenting, and traversing information resources on the World Wide Web.
3745
What is the name of the browser that is the default on Samsung Galaxy devices?
Answer:
Samsung Internet
Samsung Internet is a mobile web browser for smartphones and tablets developed by Samsung Electronics.
3746
Which device is the most intelligent of the three (hub, switch, router)?
Answer:
Router
A router is the most intelligent as it can make complex decisions about the best path for data to travel between networks.
3747
Which browser is known for its built-in ad blocker and tracker protection?
Answer:
Brave
Brave is a free and open-source web browser developed by Brave Software, Inc. based on the Chromium web browser. It is known for its privacy-focused features.
3748
How can you protect yourself from browser fingerprinting?
Answer:
All of the above
It is difficult to completely prevent browser fingerprinting, but there are steps you can take to make it more difficult.
3749
Which device is concerned with packets?
Answer:
Router
A router operates at the Network layer, which deals with data in the form of packets.
3750
Which network type is more suited for IoT (Internet of Things) devices?
Answer:
Wireless, for flexibility and ease of installation
The vast majority of IoT devices use wireless technologies like Wi-Fi, Bluetooth, or Zigbee to connect to the internet.