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
571
A ping time of 20 ms refers to:
Answer:
Latency
Ping is a utility used to measure the round-trip time (a form of latency) for messages sent from the originating host to a destination computer.
572
What is the "Cache-Control" HTTP header?
Answer:
A header that specifies the caching policy for a resource
The Cache-Control header is an important tool for controlling how browsers and other caches handle your website's resources.
573
Which of these Internet facilities include email, remote login, and file transfer?
Answer:
Email, remote login, and file transfer
These are common Internet services used by users.
574
You can organize your bookmarks using:
Answer:
Folders
Bookmarks can be organized into folders for easier management and access in web browsers.
575
What is "catfishing"?
Answer:
The process of luring someone into a relationship by means of a fictional online persona
Catfishing can be a very hurtful and damaging experience.
576
In which network model do all computers have equal status?
Answer:
Peer-to-peer model
In a peer-to-peer (P2P) network, all computers (peers) are equal and can act as both a client and a server.
577
Bing, the search engine, is owned by which company?
Answer:
Microsoft
Microsoft developed and launched Bing as a competitor to other search engines.
578
What does it mean to "clear your browser's cache"?
Answer:
To delete temporary files that your browser has stored to speed up page loading
The cache stores parts of web pages, such as images, so that they can be loaded more quickly on subsequent visits.
579
What is "misinformation"?
Answer:
False or inaccurate information that is spread, regardless of intent to deceive
Misinformation can be harmful, even if it is not spread with malicious intent.
580
A search engine is a program to search
Answer:
Web pages for information using specified search terms
Search engines scan the web to find web pages relevant to the queries entered by users.