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
3641
What is "malware"?
Answer:
All of the above
Malware is a broad category of software that includes viruses, worms, trojans, ransomware, spyware, and adware.
3642
In HTML programming, the backend is typically __ and the frontend is __.
Answer:
Notepad - Internet Explorer
Notepad is used to write HTML (backend), while Internet Explorer displays it (frontend).
3643
If your internet connection is slow, what is the first thing you should check?
Answer:
Both bandwidth and latency using a speed test
A speed test will give you a good idea of your current throughput (download/upload speeds) and latency (ping), which are the two main indicators of connection performance.
3644
A web browser requesting a page from a web server is an example of:
Answer:
Client-server model
The web browser is the client, and the web server is the server that provides the requested webpage. This is a classic client-server interaction.
3645
Where is data typically stored in a client-server network?
Answer:
On a central server
A key feature of the client-server model is centralized data storage, which makes backups and security easier to manage.
3646
What is a potential health concern associated with wireless networks?
Answer:
Exposure to radiofrequency (RF) radiation
While there is no scientific consensus on the health effects, some people are concerned about long-term exposure to the radio waves emitted by wireless devices.
3647
What is "incognito mode" or "private browsing"?
Answer:
A mode that prevents your browser from saving your history, cookies, and other data
Incognito mode can be useful for privacy, but it does not make you anonymous. Your ISP and the websites you visit can still see your activity.
3648
What is "sexting"?
Answer:
The sending of sexually explicit photos, images, text messages, or e-mails via a mobile phone or other electronic device
Sexting can have serious consequences, including legal and social ramifications.
3649
What is a hybrid model?
Answer:
A network that combines elements of both client-server and P2P models
Some systems, like Skype, use a central server for authentication (client-server) but establish direct connections between users for calls (P2P).
3650
Which of the following is measured in bits per second (bps)?
Answer:
Bandwidth
Bandwidth is a measure of data rate, and its units are bits per second (e.g., Mbps for megabits per second, Gbps for gigabits per second).