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
4151
A home Wi-Fi network is an example of a:
Answer:
LAN
A home Wi-Fi network connects devices within a home, which is a small geographical area, so it is a LAN.
4152
A network in a single room or building is a:
Answer:
LAN
A Local Area Network (LAN) is confined to a small area, such as a single room, a building, or a campus.
4153
What is a key advantage of a switch over a hub?
Answer:
It reduces collisions.
By creating a separate collision domain for each port, a switch dramatically reduces the number of collisions on a network.
4154
What is a potential issue with P2P file sharing?
Answer:
Copyright infringement and malware.
P2P networks are often used for the illegal distribution of copyrighted material, and downloading files from unknown peers can expose you to viruses and malware.
4155
What is a major disadvantage of the client-server model?
Answer:
There is a single point of failure (the server).
If the central server goes down, the entire network may become unusable.
4156
The "dot-com bubble" burst in the year:
Answer:
2000
The dot-com bubble was a historic speculative bubble covering roughly 1997–2000 during which stock markets in industrialized nations saw their equity value rise rapidly from growth in the new Internet sector and then collapse.
4157
The first video was uploaded to YouTube in:
Answer:
2005
The first video on YouTube, titled "Me at the zoo," was uploaded on April 23, 2005, by co-founder Jawed Karim.
4158
Which device can reduce network traffic by not forwarding broadcasts?
Answer:
Router
By default, routers do not forward broadcast traffic from one network to another, which helps to contain broadcast storms.
4159
What is the name of the browser that is integrated into the Steam gaming platform?
Answer:
Steam Browser
The Steam client has a built-in web browser that allows users to browse the web without leaving the application.
4160
The advantages of XML over HTML are (i) It allows processing of data stored in web pages (ii) It uses meaningful tags which aid in understanding the nature of a document (iii) Is simpler than HTML (iv) It separates presentation and structure of document
Answer:
(i), (ii), and (iv)
XML facilitates data processing, uses descriptive tags, and separates content from presentation, unlike HTML.