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
3791
In which network model is there a central, dedicated server?
Answer:
Client-server model
The client-server model is defined by having a central server that provides resources and services to client computers.
3792
For online gaming, which is more important?
Answer:
Low latency
In gaming, a low latency (ping) is crucial for a responsive experience, as it reduces the delay between your actions and the game's response.
3793
What is the primary hardware component of a router?
Answer:
A CPU
A router is essentially a specialized computer with a CPU, memory, and multiple network interfaces.
3794
What is packet switching?
Answer:
A method of grouping data into packets for transmission over a digital network
Packet switching breaks down a message into smaller pieces called packets, which are then sent independently over the network and reassembled at the destination.
3795
What does UDP stand for?
Answer:
User Datagram Protocol
UDP is a connectionless protocol that is part of the TCP/IP suite. It is often used for applications like online gaming and streaming where speed is more important than reliability.
3796
What is a "subdomain"?
Answer:
A domain that is part of a larger domain
For example, in "https://www.google.com/search?q=blog.example.com", "blog" is the subdomain.
3797
XLL definition is used along with XML to specify
Answer:
The structure of XML document
XLL (likely a confusion with XML Schema or DTD) defines the structural rules of XML documents.
3798
Which company develops the Chrome web browser?
Answer:
Google
Google Chrome is a freeware web browser developed by Google.
3799
A web address uniquely identifies a specific:
Answer:
Website
Each website has a unique web address to identify it on the Internet.
3800
What is a "drive-by download"?
Answer:
The unintentional download of a virus or malicious software to your computer
Drive-by downloads can occur when you visit a malicious website or click on a malicious advertisement.