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
4091
Which organization is responsible for developing web standards?
Answer:
The World Wide Web Consortium (W3C)
The W3C is the main international standards organization for the World Wide Web, founded by Tim Berners-Lee.
4092
In the URL "[https://www.example.com/search?q=query](https://www.google.com/search?q=https://www.example.com/search%3Fq%3Dquery)", what is "?q=query"?
Answer:
The query string
The query string is used to pass data to the web server, often from a form submission or a search query.
4093
What is "two-factor authentication" (2FA)?
Answer:
A security process in which you provide two different authentication factors to verify yourself
2FA adds an extra layer of security to your accounts, making it much more difficult for hackers to gain access even if they have your password.
4094
What are some examples of fact-checking websites?
Answer:
All of the above
It is a good idea to consult multiple sources when you are trying to verify the accuracy of information.
4095
How can you request that a website delete your PII?
Answer:
All of the above
You have the right to have your personal data deleted in certain circumstances.
4096
What is the purpose of the "autocomplete" feature in search engines?
Answer:
To suggest search queries as you type
Autocomplete can help you to save time and find what you're looking for more quickly.
4097
What is a potential downside of clearing your cache?
Answer:
It may make websites load more slowly on your next visit
This is because your browser will have to re-download all the files that were previously stored in the cache.
4098
What was the original name of Yahoo\!?
Answer:
Jerry and David's Guide to the World Wide Web
Yahoo\! was started in 1994 by Jerry Yang and David Filo and was originally named "Jerry and David's Guide to the World Wide Web."
4099
In what year was the first web page created?
Answer:
1991
The first web page was created by Tim Berners-Lee in 1991 and was hosted on his NeXT computer at CERN.
4100
Which of the following is measured in milliseconds (ms)?
Answer:
Latency
Latency is a measure of time delay, so it is typically expressed in milliseconds.