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
3881
What is packet loss?
Answer:
When a packet fails to reach its destination
Packet loss occurs when network congestion, hardware errors, or other problems cause a packet to be dropped and not delivered.
3882
Which search engine is known for its focus on user privacy?
Answer:
DuckDuckGo
DuckDuckGo does not track its users' searches or personalize search results.
3883
What is "WHOIS"?
Answer:
A protocol that is used to query databases that store information about registered domain names
WHOIS data typically includes the name and contact information of the domain registrant.
3884
A school's computer lab network is a:
Answer:
LAN
The network in a single computer lab is a classic example of a LAN.
3885
Unsolicited email is commonly called:
Answer:
Spam
Spam is unwanted bulk email.
3886
What is "visual search"?
Answer:
The ability to search the web using an image as your query
Visual search can be useful for finding information about products, landmarks, and other objects.
3887
Which model's performance can degrade if one peer has a slow internet connection?
Answer:
Peer-to-peer model
In a P2P network, you are often downloading data directly from other peers, so their connection speed can affect your download speed.
3888
When sending an email, the __ line summarizes the topic of the message.
Answer:
Subject
The subject line provides the email’s topic or purpose.
3889
The first website to be created was:
Answer:
info.cern.ch
The first website was info.cern.ch, created by Tim Berners-Lee at CERN, and it went live in 1991.
3890
What are some of the things you should look for in a privacy policy?
Answer:
All of the above
A good privacy policy should be clear and easy to understand.