Computer Science - IT MCQs
Topic Notes: Computer Science - IT
<p>MCQs and preparation resources for competitive exams, covering important concepts, past papers, and detailed explanations.</p>
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
851
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.
852
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.
853
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.
854
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.
855
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.
856
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.
857
What is the primary purpose of browser cookies?
Answer:
To store small pieces of data on your computer to remember information about you
Cookies are used for things like remembering your login information, shopping cart contents, and website preferences.
858
What is the main purpose of a packet's Time To Live (TTL) field?
Answer:
To prevent packets from circulating indefinitely in the network
The TTL is a value that is decremented by each router. If it reaches zero, the packet is discarded, which prevents routing loops from consuming all network resources.
859
What are the risks of sexting?
Answer:
All of the above
It is important to be aware of the risks before you engage in sexting.
860
Which network requires each device to have a Network Interface Card (NIC)?
Answer:
Both
All devices that connect to a network, whether wired or wireless, need a NIC (or a wireless adapter) to handle the communication.