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
271
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.
272
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.
273
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.
274
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).
275
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.
276
The concept of a graphical user interface (GUI) was developed at:
Answer:
Xerox PARC
Many of the key technologies that made personal computing and the graphical web browser possible were developed at Xerox's Palo Alto Research Center (PARC) in the 1970s.
277
What is the "autofill" feature in web browsers?
Answer:
A feature that automatically fills in forms with your personal information, such as your name, address, and credit card number
Autofill can be convenient, but it can also be a security risk if your computer is lost or stolen.
278
What is the benefit of using a switch instead of a hub?
Answer:
Both a and b
By reducing collisions, a switch significantly increases the overall performance of the network.
279
What technology is used to link documents together on the WWW?
Answer:
Hypertext
Hypertext is text displayed on a computer display or other electronic devices with references (hyperlinks) to other text that the reader can immediately access.
280
What is "cookie syncing"?
Answer:
A process that allows advertisers to share cookie data with each other
Cookie syncing allows advertisers to build a more complete profile of your interests and browsing habits.