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
3701
Which network type typically has lower latency?
Answer:
Wired network
Wired networks usually have lower latency (delay) because the signal travels through a physical cable, which is faster and more direct than radio waves.
3702
What is a "credit freeze"?
Answer:
A measure that restricts access to your credit report, which in turn makes it more difficult for identity thieves to open new accounts in your name
A credit freeze is one of the most effective ways to protect yourself from identity theft.
3703
What is the medium of transmission for a wireless network?
Answer:
Radio waves
Wireless networks transmit data through the air using radio waves.
3704
Which browser was the first to introduce tabbed browsing?
Answer:
Opera
Opera was one of the earliest browsers to introduce tabbed browsing in 1994, a feature that is now standard in all major web browsers.
3705
What does the top-level domain (TLD) ".com" typically signify?
Answer:
A commercial organization
".com" is one of the original TLDs and is the most common one.
3706
What is a "denial-of-service" (DoS) attack?
Answer:
An attack that is designed to make a machine or network resource unavailable to its intended users
DoS attacks are a common type of cyberattack.
3707
Which network type is more affected by physical obstructions like walls?
Answer:
Wireless network
The signal strength of a wireless network can be significantly weakened by walls, floors, and other physical barriers.
3708
The browser’s \_\_ keeps a list of webpages you’ve visited during the current session.
Answer:
History
The history feature of a web browser stores a record of the websites and pages you have visited over a period of time.
3709
What is "social engineering"?
Answer:
The use of deception to manipulate individuals into divulging confidential or personal information that may be used for fraudulent purposes
Phishing is a type of social engineering.
3710
What is a "domain registrar"?
Answer:
A company that sells and manages domain names
Examples of domain registrars include GoDaddy, Namecheap, and Google Domains.