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
3861
What is throughput?
Answer:
The actual measured speed of a network at a particular time
Throughput is the real-world performance of a network, which is often lower than the theoretical bandwidth due to factors like latency, congestion, and protocol overhead.
3862
In which situation would clearing your browser's data be most useful?
Answer:
All of the above
Clearing your cookies, cache, and history can help to resolve a variety of issues.
3863
What is the relationship between bandwidth and throughput?
Answer:
Throughput can never be greater than bandwidth.
Bandwidth is the theoretical maximum, while throughput is the actual performance, which is always less than or equal to the bandwidth.
3864
What does the top-level domain ".gov" typically signify?
Answer:
A government agency
".gov" is restricted to government entities.
3865
The "Honey" browser extension helps you to:
Answer:
All of the above
Honey is a popular tool for saving money when you shop online.
3866
Which device would you use to connect a wired device to a wireless network?
Answer:
A wireless access point
A wireless access point (WAP) acts as a bridge between a wired and a wireless network.
3867
Which browser is known for its focus on privacy and security, and is often used to access the Tor network?
Answer:
Tor Browser
The Tor Browser is a modified version of Firefox that is designed to provide anonymity online by routing traffic through the Tor network.
3868
A 100 Mbps internet connection refers to its:
Answer:
Bandwidth
"100 megabits per second" is a measure of the maximum data transfer rate, which is the bandwidth.
3869
The World Wide Web was invented by____________?
Answer:
Tim Berners-Lee
Sir Tim Berners-Lee, a British computer scientist, invented the World Wide Web in 1989 while working at CERN. He developed the first web browser, web server, and the core technologies of the web: HTML (Hypertext Markup Language), URL (Uniform Resource Locator), and HTTP (Hypertext Transfer Protocol).
3870
In a P2P network, how do peers find each other?
Answer:
They use a central directory or discovery protocol.
While the data transfer is decentralized, many P2P systems still use a central server (a tracker) to help peers find each other.