PTIK - Pertemuan 6

Summary

In this video, Mariana Safitri introduces the sixth lecture in the PTIK course, focusing on the internet. She discusses its definition, history, and importance, citing its role in communication, education, and online transactions. The lecture covers the evolution from ARPANET in the late 1960s to the global internet we know today, along with key terms such as websites, URLs, protocols, and HTML. Safitri highlights the internet's uses, including e-learning, mobile banking, and interactive communication. She also delves into various internet services like email, FTP, and telnet, while explaining web domains and how they distinguish different types of sites.

Takeaways

• 😀 The internet is a communication medium that connects computers via networks, utilizing protocols like TCP/IP to enable communication across different devices.
• 😀 The internet enables various activities like e-learning, online job searches, mobile banking, and money transfers, offering convenience and speed.
• 😀 ARPANET, a project by the U.S. Department of Defense in the late 1960s, was the precursor to the internet, initially connecting just a few computers.
• 😀 The internet grew rapidly in the 1990s, with the development of the World Wide Web (WWW), allowing for interactive multimedia content.
• 😀 Key internet terms include website (a collection of web pages), homepage (the first page of a website), URL (unique address of a webpage), and HTML (the language used to format web pages).
• 😀 The internet is widely used for communication (email, video calls), information retrieval (search engines), and promotion (e-commerce, company profiles).
• 😀 Internet services like email, newsgroups, and mailing lists facilitate communication and information sharing between users, allowing for virtual communities and discussions.
• 😀 File Transfer Protocol (FTP) allows for downloading and uploading files from websites, including images, videos, and articles, facilitating data exchange.
• 😀 Telnet is a service that allows users to connect to remote computers, functioning as a terminal to access other systems across distances.
• 😀 Websites use different domain extensions (e.g., .com for commercial, .org for organizations, .edu for education) to indicate the type of owner or purpose of the site.

Q & A

What is the definition of the internet according to Ahmad Fauzi?

The internet is a communication medium that uses computer networks and telecommunication channels connected to each other. This connection can occur through cables, satellites, or radio frequencies, allowing computers to communicate with one another using a common language called protocols, specifically TCP/IP.

What are some of the activities that the internet can handle?

The internet can handle various activities such as distance learning (e-learning), telecommunication systems, job searches, money transfers (e.g., through mobile banking), and more.

What is the origin of the internet, and how did it evolve?

The internet originated from ARPANET, a project started by the U.S. Department of Defense in 1969. It was designed for reliable networking to connect military contractors and universities. It later expanded globally and became widely used in the 1990s.

What is a URL, and why is it important?

A URL (Uniform Resource Locator) is a unique address for every webpage or site on the internet. It specifies the location of a resource, such as http://www.yahoo.com, which is an example of a URL.

What is the role of the TCP/IP protocol in the internet?

TCP/IP (Transmission Control Protocol/Internet Protocol) is the communication protocol used by the internet. It allows computers to connect and communicate with one another in a standardized way.

What are some of the uses of the internet mentioned in the script?

The internet can be used for various purposes such as quick and cost-effective information retrieval, paperless operations, online marketing, communication tools like email and video conferencing, research, and development, and data exchange.

What is the difference between 'To', 'CC', and 'BCC' in email?

'To' specifies the recipient of the email, 'CC' (Carbon Copy) sends a copy to additional recipients, and 'BCC' (Blind Carbon Copy) sends a copy to recipients without others knowing that the email was sent to them.

What is a mailing list, and how does it work?

A mailing list is a service that allows individuals with email addresses to receive news or updates on a specific topic. Members subscribe to the list, and the moderator manages the membership and content distribution, much like a digital community.

What is FTP, and how is it used on the internet?

FTP (File Transfer Protocol) is an application that allows users to download or upload files from or to websites. It is commonly used to transfer various types of data like images, documents, and software applications between computers and servers.

What are some types of websites mentioned in the script, and how are they classified?

Websites can be classified based on their domain extensions, such as '.com' for commercial websites, '.org' for organizations, '.edu' for educational sites, '.gov' for government-related sites, and '.mil' for military sites.