The Journey Inside - The Internet

A computer network refers to a collection of computers that are interconnected to facilitate communication and the sharing of files and resources. This allows the computers within the network to easily exchange data and collaborate efficiently.

Web pages need unique addresses so they can be found by users. This is because each web page is identified by a specific URL (Uniform Resource Locator) which acts as its unique address on the internet. Without a unique address, it would be impossible for users to locate and access a specific web page among the vast amount of content available online. Therefore, having unique addresses is crucial for the discoverability and accessibility of web pages.

The correct answer is that the Internet is a network of computer networks. This means that it is a vast interconnected system of computers and devices that are linked together, allowing for the exchange of information and communication between them. Each individual network connects to other networks, creating a global network that spans the entire world. This definition accurately captures the essence of the Internet, highlighting its fundamental structure and purpose.

Wireless connectivity allows you to move about a room or even a building and still be connected to the Internet. This is because it uses wireless technology such as Wi-Fi or Bluetooth to establish a connection between your device and the Internet without the need for physical cables or ports. With wireless connectivity, you can access the Internet and all its resources from anywhere within the range of the wireless network.

Hypertext Markup Language (HTML) is a computer language that your internet browser understands. HTML is used to structure and present content on the web. It is a markup language that uses tags to define elements such as headings, paragraphs, links, and images. Internet browsers interpret these tags and display the web page accordingly. HTML is not limited to text-only display, as it can also incorporate multimedia elements. It is widely used in web development and is an essential skill for creating and designing websites.

The correct answer is "Hypertext Transfer Protocol." HTTP stands for Hypertext Transfer Protocol, which is a protocol used for transmitting hypertext over the internet. It is the foundation of data communication on the World Wide Web and allows for the retrieval and display of web pages.

Packets of data in a network may not arrive at the destination in the same order they were sent due to the unpredictable nature of network routing. Therefore, they need to be reassembled at the destination in the correct order to ensure the integrity and accuracy of the data.

The correct answer is the domain name or complete address of the Internet connection used to access the site. The "http://" in the URL stands for Hypertext Transfer Protocol, which is the protocol used to transfer data over the internet. It indicates that the following text is the domain name or complete address of the website that is being accessed.

The last part of the domain name in the URL is known as the domain name extension. This refers to the letters or group of letters that come after the dot in a website's domain name. Common examples include .com, .edu, and .gov, which indicate the type of organization or purpose of the website.

The given answer states that there is no editorial review board for the internet. This implies that the question itself is incorrect or misleading, as it suggests that such a board exists and asks for its location. Therefore, the correct answer dismisses the notion of an editorial review board for the internet.

Web servers are computers that answer your request for a certain web page. When you enter a URL in your web browser, it sends a request to the web server associated with that domain name. The web server then processes the request and delivers the requested web page back to your browser. Therefore, web servers play a crucial role in serving web content to users.

The data block of a packet refers to the actual information or data that the packet is transmitting. This data is the main content of the packet and is typically in the form of binary or digital data. It can include text, images, audio, video, or any other type of data that needs to be transmitted from one device to another. The data block is usually preceded by a header or first section of the packet, which contains information about the packet itself, such as the source and destination addresses, packet size, and other control information. However, the actual information being transmitted is contained within the data block.

Bandwidth refers to the amount of data that can be transmitted through a specific connection within a given time frame. It is a measure of the capacity or speed of the connection, indicating how much information can be transferred at any given moment. File size, data rate, and information flow are not synonymous with bandwidth, as they do not specifically refer to the capacity or speed of a connection.

When you browse the internet, your computer sends page requests to a router. These page requests are essentially messages sent by your computer to the router, asking for specific web pages or content to be delivered to your device. The router then forwards these requests to the appropriate servers, which respond by sending back the requested web pages or content. This process allows your computer to access and display the desired information on the internet.

Internet Service Providers (ISPs) provide access to the Internet to both individuals and organizations for a fee. ISPs are companies that offer various types of Internet connections, such as broadband, DSL, or dial-up, allowing users to connect to the Internet and access websites, send emails, and use other online services. ISPs play a crucial role in connecting users to the vast network of computers and servers that make up the Internet, acting as intermediaries between users and the online world. They typically offer different plans and packages to cater to the needs and preferences of their customers.

The special part of the Internet that you use when you load a web page is most properly called the World Wide Web. The World Wide Web is a system of interconnected documents and other resources, linked by hyperlinks and URLs. It is accessed through web browsers and uses HTTP (Hypertext Transfer Protocol) to transmit data. ARPANET was an early precursor to the Internet, packet switching is a method of transmitting data, and HTML is a markup language used to structure web pages.

Tim Berners-Lee is the correct answer because he is widely recognized as the inventor of the World Wide Web, which is a crucial component of the Internet. In 1989, Berners-Lee developed the first successful communication between a Hypertext Transfer Protocol (HTTP) client and server via the Internet, creating the foundation for the modern Internet as we know it. His invention revolutionized the way information is shared and accessed, making him the man responsible for developing new ways to navigate the Internet.

The correct answer is Uniform Resource Locator. A URL is a string of characters that is used to address a resource on the internet. It specifies the protocol to be used, the domain name or IP address of the server, and the specific location of the resource. The term "Uniform" signifies that URLs follow a standardized format, allowing them to be easily interpreted by web browsers and other software. "Resource" refers to any file or page that can be accessed on the web. "Locator" indicates that a URL points to the exact location of a resource, enabling users to access it directly.

When a page is sent over the internet, it is not sent as one large piece but rather broken into small pieces called packets. These packets contain a portion of the data being transmitted and are sent individually. This allows for more efficient and reliable transmission of data over the internet as packets can take different routes and be reassembled at the destination. Bytes, bits, and data are all units of measurement for digital information, but in the context of this question, packets are the correct answer as they specifically refer to the small pieces in which a page is divided for transmission.

The header of a packet provides the complete destination for where the packet is going. The header contains information such as the IP address of the destination device, which allows the packet to be routed correctly across the network to reach its intended destination.

The correct answer is "using the best possible path at that particular time." This means that when your computer communicates with a Web server hosting a website, it selects the most optimal route or path for the data to travel at that specific moment. This ensures efficient and effective information exchange between the two devices.

The sequence ID is the part of the packet that identifies where in the relation to all other packets this message belongs. It helps in organizing and arranging the packets in the correct order, ensuring that the message is reconstructed accurately at the receiving end. The sequence ID allows the receiver to understand the sequence or order of the packets and helps in maintaining the integrity and coherence of the message during transmission.

Routers are computers that receive information and forward it to the correct destination over the most efficient route available. They are responsible for directing network traffic and ensuring that data packets are delivered to their intended recipients. Routers use routing tables and algorithms to determine the optimal path for data transmission. Unlike ISPs, which provide internet connectivity, routers specifically handle the task of routing data within a network. Network providers may offer various services, including internet connectivity, but routers are the devices that facilitate the actual routing of data. Servers, on the other hand, are computers that store and process data, but they do not have the primary function of routing network traffic.

Search engines do not rank their pages based on the quality of the information. This means that the ranking of search results is not determined by how accurate, reliable, or valuable the information on a webpage is. Instead, search engines use various algorithms and factors such as relevance, popularity, and user engagement to determine the ranking of webpages in search results.

Today's connection speeds to the Internet are measured in kilobits per second (Kbps). This unit of measurement represents the amount of data that can be transmitted in one second. Kilobits per second is commonly used to measure internet speeds because it provides a more accurate representation of the speed compared to kilobytes per second (Kbps) or megabytes per second (Mbps). Kilobits per second allows for a more precise measurement of the data transfer rate, which is crucial in determining the efficiency and performance of an internet connection.