Internet Basics
What is ARPANET?
The first operational packet-switching network and the predecessor of the Internet, developed by the U.S. Department of Defense in 1969.
Name two types of email services
Web-based (e.g., Gmail) and client-based (e.g., Microsoft Outlook).
What is a blog?
A regularly updated website or web page written in an informal or conversational style.
What is an intranet?
A private internal network using internet technologies accessible only to authorised personnel within an organisation.
Name one popular search engine
Chrome or Safari
Define DNS
DNS (Domain Name System) translates domain names like www.google.com into IP addresses that computers use to identify each other on the network.
What does VoIP stand for?
Voice over Internet Protocol
What is a wiki?
A collaborative website that allows users to create, edit, and link content easily (e.g., Wikipedia).
List two features of an intranet.
Document sharing, internal communication portals
What does a web browser do?
It retrieves, displays, and navigates web pages and online content
Name two requirements to access the Web.
A device with a web browser and an Internet connection via an ISP.
Give an example of an instant messaging platform.
WhatsApp, Facebook Messenger, or Telegram.
What is a podcast?
A digital audio file series available for download or streaming, often released episodically.
What does VPN stand for?
Virtual Private Network
What is a directory in search engines?
A listing of websites organised by categories and subject matter
What does an IP address do?
It uniquely identifies a device on a network and allows data to be routed to and from it.
What is the purpose of a newsgroup?
To facilitate online discussions around specific topics.
List one difference between Web 2.0 and Web 3.0.
Web 2.0 focuses on user-generated content and interactivity; Web 3.0 includes AI, personalisation, and semantic data.
Who can access an extranet?
Selected external users such as suppliers, partners, or customers.
What does the browser history feature help with?
It allows users to revisit previously accessed websites.
Explain the difference between the Internet and the World Wide Web.
The Internet is the global network infrastructure, while the Web is a service that uses the Internet to access websites and content.
Name a feature of Web 3.0 and explain it.
Semantic search - enables better understanding of user intent and context to deliver more accurate results.
Name one advantage of using an extranet.
Improves collaboration and streamlines Business-to-Business operations securely
Explain how search engines index content.
They use web crawlers to scan websites, store information in databases, and rank pages based on algorithms.