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
171
The "browser wars" of the mid-1990s were primarily between which two browsers?
Answer:
Netscape Navigator and Internet Explorer
The first browser war was between Microsoft's Internet Explorer and Netscape's Navigator, with both companies vying for dominance in the web browser market.
172
What does the "private browsing" or "incognito mode" feature in web browsers do?
Answer:
It prevents your browsing history, cookies, and site data from being saved on your device.
Private browsing modes are designed to not save any local data of the browsing session. This does not make you anonymous online.
173
What is the future trend in networking?
Answer:
A continued use of hybrid networks, with wireless speeds approaching wired speeds
The future will likely see a mix of both, with wireless technologies becoming faster and more reliable, but wired connections still being important for performance and security.
174
What is the "California Consumer Privacy Act" (CCPA)?
Answer:
A law in California that gives consumers more control over their personal data
The CCPA is similar to the GDPR in many ways.
175
Which of the following is used to surf the internet?
Answer:
Internet Explorer
Internet Explorer is a web browser, which is a software application designed specifically for accessing, retrieving, and displaying information from the World Wide Web. Windows Explorer is for managing local files.
176
Every Internet-connected computer must have:
Answer:
A unique IP address
IP addresses uniquely identify devices on the Internet.
177
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.
178
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.
179
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.
180
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.