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
101
Which device is concerned with frames?
Answer:
Switch
A switch operates at the Data Link layer, which deals with data in the form of frames.
102
A "bottleneck" in a network is:
Answer:
A point of congestion that slows down the entire network
A bottleneck is a component that limits the overall performance of a system, like a single slow link in an otherwise fast network.
103
What is a "meta search engine"?
Answer:
A search engine that searches other search engines and combines the results
Examples of meta search engines include Dogpile and Startpage.
104
The first internet meme is considered to be:
Answer:
Dancing Baby
The "Dancing Baby," also known as "Baby Cha-Cha," was one of the first internet memes, spreading through email chains in the late 1990s.
105
What is a "parked domain"?
Answer:
All of the above
Domain parking is often used to reserve a domain name for future use or to generate revenue from advertising.
106
Which network type typically has lower latency?
Answer:
Wired network
Wired networks usually have lower latency (delay) because the signal travels through a physical cable, which is faster and more direct than radio waves.
107
What is a "credit freeze"?
Answer:
A measure that restricts access to your credit report, which in turn makes it more difficult for identity thieves to open new accounts in your name
A credit freeze is one of the most effective ways to protect yourself from identity theft.
108
What is the medium of transmission for a wireless network?
Answer:
Radio waves
Wireless networks transmit data through the air using radio waves.
109
Which browser was the first to introduce tabbed browsing?
Answer:
Opera
Opera was one of the earliest browsers to introduce tabbed browsing in 1994, a feature that is now standard in all major web browsers.
110
What does the top-level domain (TLD) ".com" typically signify?
Answer:
A commercial organization
".com" is one of the original TLDs and is the most common one.