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
3821
What is "doxing"?
Answer:
The act of publicly identifying or publishing private information about someone, especially as a form of punishment or revenge
Doxing is a serious form of online harassment.
3822
Which technology is commonly used for PANs?
Answer:
Bluetooth
Bluetooth is a wireless technology standard used for exchanging data between fixed and mobile devices over short distances, making it ideal for PANs.
3823
What are Boolean operators in the context of search engines?
Answer:
Words like "AND", "OR", and "NOT" that can be used to refine search queries
Boolean operators can help you to narrow down or broaden your search results.
3824
What causes network congestion?
Answer:
Too much data being sent for the network to handle
Congestion occurs when the demand for network resources exceeds the available bandwidth, causing delays and packet loss.
3825
A network that connects several LANs in different cities is a:
Answer:
WAN
A Wide Area Network (WAN) is required to connect LANs that are geographically separated by long distances, such as in different cities.
3826
The "LastPass" browser extension is a:
Answer:
Password manager
LastPass is a popular password manager that can help you to create, store, and fill in strong, unique passwords for all of your online accounts.
3827
A network connecting a city's government buildings would be a:
Answer:
MAN
A MAN would be used to connect government buildings that are spread across a city.
3828
Which of the following is an advantage of a LAN?
Answer:
It has high bandwidth.
LANs provide high bandwidth, which means they can transfer a lot of data quickly over a short distance.
3829
What is a "guest network" on a wireless router?
Answer:
A network for visitors that is separate from the main network
A guest network provides internet access to visitors without giving them access to the main network's files and devices.
3830
What is bandwidth?
Answer:
The maximum amount of data that can be transmitted over a network in a given amount of time
Bandwidth is a measure of the capacity of a network connection, often expressed in bits per second (bps). It's like the width of a highway.