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
3961
The first country to have a top-level domain (TLD) was:
Answer:
United States (.us)
In 1985, .us was established as the first country code top-level domain (ccTLD).
3962
What is a "zombie cookie"?
Answer:
A cookie that is recreated after it has been deleted
Zombie cookies are a type of supercookie that can be very difficult to get rid of.
3963
Internet data is transmitted in:
Answer:
Variable length packets
Data packets can vary in size depending on the data transmitted.
3964
Which network type is better for streaming high-definition video?
Answer:
Wired network
For bandwidth-intensive tasks like streaming 4K video or online gaming, a wired connection provides the best performance and stability.
3965
How can you find out what PII a website has collected about you?
Answer:
All of the above
You have the right to know what information websites are collecting about you.
3966
How can you protect yourself from drive-by downloads?
Answer:
All of the above
It is important to take steps to protect yourself from this type of attack.
3967
Programs like Explorer and Firefox are referred to as:
Answer:
Browsers
Browsers are software applications used to access and view webpages on the internet.
3968
What is jitter?
Answer:
The variation in latency over time
Jitter is the inconsistency in the arrival time of packets. High jitter can be very disruptive for real-time applications like VoIP and video conferencing.
3969
What is "personally identifiable information" (PII)?
Answer:
All of the above
PII is a broad category of information that is protected by many privacy laws.
3970
The term for the gap between those with and without access to computers and the Internet is known as:
Answer:
Digital divide
The digital divide refers to the disparity in access to modern digital technology and the Internet among different groups and regions.