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
3771
Every Internet-connected computer must have:
Answer:
A unique IP address
IP addresses uniquely identify devices on the Internet.
3772
What was the primary purpose of ARPANET?
Answer:
Military communication and resource sharing
ARPANET was designed to be a decentralized network that could withstand a nuclear attack, allowing for continued communication and sharing of computing resources among military and research institutions.
3773
The process of a router choosing the best path for a packet is called:
Answer:
Routing
This is the core function of a router, and it is called routing.
3774
The first online banking service was launched in:
Answer:
1983
The first online banking service in the UK was established by the Nottingham Building Society (NBS) in 1983.
3775
Which browser has a built-in VPN (Virtual Private Network)?
Answer:
Opera
The Opera browser includes a free, built-in VPN that can help to improve your privacy online.
3776
What is the difference between local storage and session storage?
Answer:
Local storage is persistent, while session storage is cleared when you close your browser
This is the main difference between the two types of web storage.
3777
What is a "certificate authority" (CA)?
Answer:
All of the above
CAs play a critical role in the security of the internet.
3778
What are "rich snippets"?
Answer:
All of the above
Rich snippets can help to make your search results more informative and visually appealing.
3779
The term for logging into an Internet account is:
Answer:
Log in
Logging in grants access to an account or service.
3780
What is WPA2 or WPA3?
Answer:
A security protocol for wireless networks
Wi-Fi Protected Access 2 (WPA2) and its successor WPA3 are security protocols used to encrypt traffic on Wi-Fi networks.