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
321
Which device uses MAC addresses to make forwarding decisions?
Answer:
Switch
A switch builds a MAC address table to learn which devices are connected to which ports, allowing it to forward frames only to the intended recipient.
322
What is the role of a server administrator?
Answer:
To manage the server and the network
In a client-server model, a network administrator is needed to manage the server, user accounts, security, and backups.
323
Which of these browsers is based on the Chromium open-source project?
Answer:
Microsoft Edge
The current version of Microsoft Edge is built on the Chromium open-source project, which is also the basis for Google Chrome.
324
Internet message packets:
Answer:
Take different paths based on availability
Packets are dynamically routed based on network conditions.
325
Which network type is generally cheaper to set up for a small area?
Answer:
Wireless network
For a small home or office, a single wireless router can be cheaper and easier to set up than running Ethernet cables to every device.
326
What is the purpose of a default gateway?
Answer:
To tell a device where to send traffic that is not on its local network
The default gateway is the IP address of the router, which is the device that connects the local network to other networks.
327
What is "disinformation"?
Answer:
False information that is spread with the intent to deceive
Disinformation is a more serious problem than misinformation, as it is designed to mislead people.
328
What is a "favicon"?
Answer:
A small icon that is displayed in the browser tab and bookmarks bar
Favicons help you to quickly identify a website in a list of tabs or bookmarks.
329
What is the name of the first search engine, created in 1990?
Answer:
Archie
Archie, created by Alan Emtage, is considered the first Internet search engine. It was designed to index FTP archives, allowing users to find specific files.
330
Which model is generally more secure?
Answer:
Client-server model
Security is centralized and easier to manage on a client-server network. In a P2P network, security is the responsibility of each individual user.