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
461
How can you spot misinformation and disinformation?
Answer:
All of the above
It is important to be a savvy consumer of information in today's digital world.
462
The Internet operates based on:
Answer:
A set of common communication rules (protocols)
Protocols enable devices to communicate over the Internet.
463
What is the "do not track" (DNT) header?
Answer:
A request that your browser can send to websites asking them not to track your browsing activity
Websites are not required to honor the DNT request, so it is not a very effective way to protect your privacy.
464
What is the name of the feature in some browsers that allows you to send a web page from one device to another?
Answer:
All of the above
This is a convenient way to continue browsing on a different device.
465
If you have high bandwidth but also high latency, what would be the effect?
Answer:
You could download large files quickly, but web browsing would feel slow.
High bandwidth allows for a large volume of data transfer, but high latency means there is a significant delay for each individual request, making interactive tasks like web browsing feel sluggish.
466
What is a "connectionless" protocol?
Answer:
A protocol where each packet is treated independently, without establishing a session first
Protocols like IP and UDP are connectionless. They just send the packets without any prior setup.
467
The Internet uses which type of switching method?
Answer:
Packet switching
Packet switching breaks data into packets sent independently through the network.
468
The "speed dial" feature, which displays a grid of your most visited websites on a new tab page, was popularized by which browser?
Answer:
Opera
Opera's Speed Dial feature was a novel idea when it was introduced and has since been adopted by many other browsers.
469
Which of the following is a web browser?
Answer:
Netscape Navigator
Netscape Navigator is a web browser, while others are messaging or websites.
470
What is the main advantage of a wired network over a wireless network?
Answer:
Speed and reliability
Wired networks generally offer faster speeds and a more stable, reliable connection than wireless networks.