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
471
Which of the following is NOT a type of computer network?
Answer:
NAN
NAN is not a standard acronym for a type of computer network. LAN, WAN, and PAN are all standard network types.
472
Which device is also known as a multiport repeater?
Answer:
Hub
A hub is essentially a repeater with multiple ports, as it regenerates and retransmits incoming signals to all connected devices.
473
Microsoft Edge replaced which older Microsoft browser?
Answer:
Internet Explorer
Microsoft Edge is a cross-platform web browser created and developed by Microsoft, first released for Windows 10 and Xbox One in 2015, then for Android and iOS in 2017, for macOS in 2019, and as a replacement for Internet Explorer on Windows 7, 8, and 8.1.
474
The first message sent over ARPANET was:
Answer:
"lo"
In 1969, the first message sent over ARPANET was intended to be "login," but the system crashed after the first two letters.
475
The language used for coding web pages is:
Answer:
Hypertext Markup Language (HTML)
HTML is the standard markup language for creating web pages.
476
What network paved the way for the modern internet?
Answer:
ARPANET
ARPANET (Advanced Research Projects Agency Network) was a pioneering packet-switching network and the first network to implement the TCP/IP protocol suite. Funded by the United States Department of Defense, it served as the technical foundation and backbone for what would eventually evolve into the global Internet.
477
Which network would be used to connect computers in different countries?
Answer:
WAN
A WAN is the only type of network that can connect computers across international borders.
478
Which network provides a more consistent speed?
Answer:
Wired network
A wired network is not subject to the same fluctuations in signal strength and interference as a wireless network, so it provides a more consistent speed.
479
Which of the following is not part of a URL?
Answer:
End tag
A URL typically includes the protocol (e.g., http), the server or domain name (e.g., [www.example.com](https://www.example.com)), and an optional path to a specific file or page (e.g., /folder/page.html). An "end tag" (like `</p>`) is an element of HTML code, not a component of a URL.
480
The "Evernote Web Clipper" is a browser extension that allows you to:
Answer:
All of the above
The Evernote Web Clipper is a popular tool for saving and organizing information from the web.