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
361
Which button refreshes a webpage in most browsers?
Answer:
F5
F5 reloads the current webpage in most browsers, updating content.
362
Which type of tracking file is commonly accepted from internet websites?
Answer:
Cookies
Cookies are small text files stored on a user's device by a web browser to remember information like login status, site preferences, and shopping cart items.
363
What is the name of the browser that comes pre-installed on most Android devices?
Answer:
Google Chrome
Google Chrome is the default browser on most Android smartphones and tablets.
364
What is a key characteristic of the client-server relationship?
Answer:
It is a many-to-one relationship (many clients to one server).
Typically, a single server is designed to serve requests from many different clients.
365
Small programs on a web page for animation or form validation are:
Answer:
Applets
Applets are small applications embedded in web pages.
366
The first country to have a top-level domain (TLD) was:
Answer:
United States (.us)
In 1985, .us was established as the first country code top-level domain (ccTLD).
367
What is a "zombie cookie"?
Answer:
A cookie that is recreated after it has been deleted
Zombie cookies are a type of supercookie that can be very difficult to get rid of.
368
Internet data is transmitted in:
Answer:
Variable length packets
Data packets can vary in size depending on the data transmitted.
369
Which network type is better for streaming high-definition video?
Answer:
Wired network
For bandwidth-intensive tasks like streaming 4K video or online gaming, a wired connection provides the best performance and stability.
370
How can you find out what PII a website has collected about you?
Answer:
All of the above
You have the right to know what information websites are collecting about you.