Computer Science - IT MCQs
Topic Notes: Computer Science - IT
<p>MCQs and preparation resources for competitive exams, covering important concepts, past papers, and detailed explanations.</p>
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
31
Which of the following technologies is not classified as a standard method for establishing an Internet connection?
Answer:
WWAN
While WWAN (Wireless Wide Area Network) provides mobile data connectivity, it is generally categorized as a mobile network technology rather than a standard residential or commercial Internet connection service like DSL or Broadband.
32
Which term describes a small text file stored on a user's computer by a web browser to maintain state information?
Answer:
Cookie
A cookie is a small piece of data sent from a website and stored on the user's computer by the web browser while the user is browsing.
33
Which system, often referred to as the Web, consists of billions of interconnected documents?
Answer:
World Wide Web
The World Wide Web (WWW) is an information system where documents and other web resources are identified by URLs and are accessible over the Internet. It is the primary tool used by billions to access information.
34
Which hardware device is essential for establishing an Internet connection?
Answer:
Modem
A modem (modulator-demodulator) is a critical device required to connect a computer or network to the Internet. It converts digital data from the computer into analog signals for transmission over telephone or cable lines, and vice versa.
35
Electronic mail (e-mail) facilitates the exchange of messages through which medium?
Answer:
Network
E-mail operates by transmitting digital messages between users over a computer network.
36
Who is credited with the invention of the World Wide Web?
Answer:
Tim Berners-Lee
Sir Tim Berners-Lee, a British computer scientist, invented the World Wide Web in 1989 while working at CERN.
37
What term describes the global network that interconnects billions of computers and electronic devices worldwide?
Answer:
internet
The internet is a massive global system of interconnected computer networks that use the Internet Protocol suite (TCP/IP) to link devices worldwide.
38
Which network security device monitors and controls incoming and outgoing traffic based on predetermined security rules?
Answer:
Firewall
A firewall is a network security system that monitors and controls incoming and outgoing network traffic based on predetermined security rules.
39
DSL (Digital Subscriber Line) is classified as which type of internet connection?
Answer:
broadband
DSL is a technology that provides high-speed digital data transmission over standard telephone lines.
40
Which term describes online platforms designed to facilitate connections between individuals who share common interests, backgrounds, or professional goals?
Answer:
Social Network
A social network is a digital platform specifically built to help users build social relations with other people who share similar personal or professional interests, activities, backgrounds, or real-life connections.