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
4041
What is the primary function of a search engine?
Answer:
To index and retrieve information from the World Wide Web
Search engines use automated programs called web crawlers to systematically browse the web, index the content they find, and then allow users to search that index.
4042
The code written in a text editor to create web pages is called:
Answer:
Source code
Source code refers to the raw HTML text that defines web pages.
4043
A World Wide Web contains web pages that are
Answer:
Containing links to other web pages
Web pages contain hyperlinks that connect them to other web pages, enabling the Web's vast interconnected structure[previous answers].
4044
What is an email attachment?
Answer:
A separate document sent along with an email
Attachments are files sent along with the body of an email message from different programs.
4045
The original purpose of the Internet was to:
Answer:
Facilitate communication in case of a nuclear attack
The ARPANET was designed to be a decentralized network that could continue to function even if parts of it were destroyed.
4046
What is a "session cookie"?
Answer:
A cookie that expires as soon as you close your browser
Session cookies are used to store temporary information, such as the contents of your shopping cart.
4047
What was the name of the predecessor to the Internet, developed by the US Department of Defense?
Answer:
ARPANET
ARPANET (Advanced Research Projects Agency Network) was an early packet-switching network and the first network to implement the TCP/IP protocol suite. Both technologies became the technical foundation of the Internet.
4048
What is "encryption"?
Answer:
The process of converting information or data into a code, especially to prevent unauthorized access
Encryption is a key tool for protecting your privacy and security online.
4049
Which of the following is a Chinese search engine?
Answer:
Baidu
Baidu is the most popular search engine in China.
4050
What is the main disadvantage of a PAN?
Answer:
Limited range
The primary limitation of a PAN is its very short range, which restricts its use to a small personal area.