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
3901
Which model is easier to manage and administer?
Answer:
Client-server model
Centralized administration makes it much easier to manage user accounts, permissions, and security policies.
3902
Which of the following is the most popular search engine in the world?
Answer:
Google
Google dominates the global search engine market with a market share of over 90%.
3903
What is a collision domain?
Answer:
A network segment where data packets can collide
A collision domain is a part of a network where packet collisions can occur when two devices try to send data at the same time.
3904
What is a "persistent cookie"?
Answer:
A cookie that is stored on your computer for a long period of time
Persistent cookies are used to remember your preferences and settings for future visits.
3905
The "reader mode" in some browsers is designed to:
Answer:
Remove clutter like ads and sidebars from articles
Reader mode simplifies the layout of a webpage, making it easier to read long articles by removing distracting elements.
3906
How do you perform a hard refresh in most browsers?
Answer:
By pressing Ctrl+F5 or Shift+F5
The exact key combination may vary depending on your browser and operating system.
3907
Which Web browser is included with Microsoft Windows operating systems?
Answer:
Internet Explorer
For many years, Internet Explorer was the default web browser bundled with every version of the Microsoft Windows operating system. In recent versions of Windows, it has been replaced by Microsoft Edge.
3908
The "Grammarly" browser extension helps you to:
Answer:
Check your grammar and spelling
Grammarly is a popular tool for improving your writing.
3909
Which technology would be used for a PAN (Personal Area Network)?
Answer:
Bluetooth
Bluetooth is a short-range wireless technology that is ideal for creating PANs.
3910
Does UDP retransmit lost packets?
Answer:
No, it is a "best effort" protocol
UDP does not provide the reliability mechanisms of TCP, such as retransmission of lost packets. It is faster but less reliable.