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
341
The term "cyberspace" was coined by:
Answer:
William Gibson
Science fiction author William Gibson coined the term "cyberspace" in his 1982 short story "Burning Chrome" and popularized it in his 1984 novel "Neuromancer."
342
What is the biggest security risk for wireless networks?
Answer:
Unauthorized access
Because wireless signals can travel through walls, it is possible for unauthorized users to access the network if it is not properly secured.
343
In the highway analogy for networking, latency is the:
Answer:
Time it takes for a single car to travel from the start to the end of the highway
Latency represents the travel time for a single piece of data, regardless of how much other data is being sent.
344
What happens to a packet when it arrives at a router?
Answer:
The router examines the packet's destination address and sends it on the best path.
This is the fundamental process of routing in a packet-switched network.
345
What does the acronym 'WWW' stand for?
Answer:
World Wide Web
WWW stands for World Wide Web, which is an information space where documents and other web resources are identified by Uniform Resource Locators (URLs), interlinked by hypertext links, and can be accessed via the Internet.
346
When hovering over a hyperlink, the pointer changes to:
Answer:
A hand
The cursor becomes a hand icon to indicate a clickable link.
347
SGML stands for
Answer:
Standard Generalized Markup Language
SGML is the standard for defining generalized markup languages like HTML and XML.
348
In search engine terminology, when a web page matches the search query, it is called a:
Answer:
Hit
A "hit" refers to a single result that matches the criteria of a search query performed by a search engine.
349
BitTorrent, a file-sharing protocol, is an example of:
Answer:
Peer-to-peer model
BitTorrent allows users (peers) to download files from each other directly, without a central server hosting the entire file.
350
Which model is a better description of how the World Wide Web works?
Answer:
Client-server model
The WWW is fundamentally a client-server system, with web browsers (clients) requesting pages from web servers.