Unit 1 topic 1 show
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This document provides an overview of the units and topics covered in a Grade 7 Technology Education course. Unit 1 focuses on tools of communication, both past and present. Topic 1.01 discusses the evolution of communication technologies from early alphabets to the modern internet. Topic 1.02 looks at how communication technologies have been used locally and in the Atlantic region of Canada. It provides examples of research projects comparing rural to urban phone and internet systems. Topic 1.03 defines digital convergence as combining text, graphics, video, and sound into a single multimedia product. Topic 1.04 asks how communication technologies are used each day at home or school.
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Telecommunications refers to the transmission of information over long distances using radio, telephone, or television. The document discusses various telecommunications infrastructure and technologies, including national fiber backbones, local loops, global Ethernet, and teledensity. It describes a conversation between a telecom manager and geophysicist discussing the telecom options available in West Africa, such as the South Atlantic and West Africa Submarine Cable.
History of internet
The history of the internet began in the 1950s and 1960s with the development of computers and point-to-point communication between mainframes. In the late 1960s and early 1970s, packet switched networks such as ARPANET were developed using various protocols. In 1982, TCP/IP was standardized and the concept of a worldwide network called the Internet was introduced. Commercial internet service providers emerged in the late 1980s and 1990s, and the internet was commercialized in 1995.
office communication
Email allows for digital messages to be exchanged between individuals or groups across computer networks and the internet without both parties needing to be online simultaneously. It provides a cheap and fast way to communicate and store messages reliably. The internet is a global network that connects computers worldwide and originated from U.S. government research networks in the 1960s. Cellular phones allow wireless connections to nearby transmitters, allowing calls as users move between different areas, with the first mobile call made in 1973. Video conferencing enables meetings between groups in different locations through audio and video transmission in real time.
loon Internet seminar report
Project Loon aims to provide internet access to rural and remote areas using high-altitude balloons. The balloons float in the stratosphere and are arranged in a mesh network to relay internet signals between each other and to antennas on the ground. Each balloon provides connectivity to an area about 40 km in diameter using specialized antennas and radio frequencies. The balloons are powered by solar panels and move with wind currents to maintain network coverage over wide areas.
ITB Bridge course on Internet.pptx
The document discusses the history and evolution of the Internet. It began as a network called ARPANET developed by ARPA (Advanced Research Projects Agency) in the 1960s to enable communication between computers at universities and research labs. The first message was sent in 1969, but data loss was an issue. In 1973, Vint Cerf and Bob Kahn developed TCP/IP, the communication protocol that allowed for reliable data transmission and became the standard, earning them the title of "Fathers of the Internet." The network expanded in the following decades driven by the development of email in 1971 and the World Wide Web in 1991. It transitioned from a closed military/research network to a global system available to the public and businesses, growing
Internet benefits and pitfalls
The document outlines the history and evolution of the Internet from its origins in the late 1950s and 1960s as a U.S. military network called ARPANET, to its emergence as a widely used tool for communication, education, and commerce by the 1980s and 1990s. Some key events included the development of packet switching, the establishment of a network of connected university and research sites, and the creation of technologies like email and the World Wide Web that enabled new uses of the Internet. While the Internet has provided significant benefits to research, education and communication, overuse can also negatively impact face-to-face social interaction and family relationships.
Google Project Loon
Project Loon is a Google initiative to provide internet connectivity using high-altitude balloons. Balloons travel in the stratosphere twice as high as airplanes, bouncing signals between each other to connect users on the ground. This can help provide internet access to rural and remote areas that currently lack coverage. The balloons are engineered to withstand harsh conditions in the stratosphere like low pressure, cold temperatures, and UV radiation. Solar panels power onboard electronics, and special antennas allow people to connect to the balloon network from their buildings. Project Loon aims to partner with carriers to extend 4G connectivity globally and help restore communications after natural disasters.
Telecomunications
The document provides a history of telecommunication from its earliest beginnings with smoke signals and drums to modern advances like fiber optic networks and high-speed data transmission. It discusses key individuals and developments that helped shape the field, including the invention of the telegraph in the 19th century and the emergence of computer networks and the internet in the 1950s and 1960s. The internet has since had a drastic impact on culture and commerce and continues to grow, driven by online information, commerce, entertainment, and social networking.
Information Technology its components.pptx
Information technology involves the acquisition, processing, storage, and dissemination of information using computers and communication technology. It has three main components:
1. Computer technology, which includes computers capable of processing and storing vast amounts of information at high speeds.
2. Communication technology, including wired technologies like Ethernet and fiber optics, and wireless technologies like radio waves and satellites, which allow transmission of information over long distances.
3. Information itself, also called data, which can be encoded and transmitted in various forms via storage and communication technologies to resolve uncertainty.
History of educational technology
The document provides a history of educational technology from 1910 to 2009. It outlines several key developments including the emergence of silent films and educational motion pictures in 1910, the use of radio for educational purposes in the 1920s, the boost audiovisual technologies received from their use in World War II in 1939, the allocation of television channels for educational use in 1952, the creation of ARPANET in 1969 which was the precursor to the internet, the introduction of computers in schools in the 1980s, the rise of educational webquests in 1995, and the debut of the first fully automated classroom in 2009.
Communication
The document discusses Canada's communication system and how it has evolved over time. It notes that Canada requires an efficient communication system to connect its small population spread over a vast geographic area. It traces the development of communication technologies in Canada from early wired telephones to wireless/cellular networks and the internet. Most recently, it describes how communication technologies are converging, with differences between mediums like phones, television, and internet blurring as they integrate with one another. This convergence represents one of the most significant changes to Canada's communication landscape.
Communication arvin & alex
The document discusses Canada's communication system and how it has evolved over time. It notes that Canada has developed an extensive communication network to connect the vast geographic regions of the country. It traces the development of communication technologies from early writing and printing, to the telegraph, telephone, radio, television, internet and satellites. Most recently, it describes how communication technologies are converging, with different mediums like phones and internet merging together and blurring the lines between different communication systems. This convergence is transforming Canada's communication landscape.
Fiber, Technology and Tempe, Arizona
This is Tempe Councilmember Onnie Shekerjian's presentation to the Fiber to the Home Council. It was given at the Arizona Biltmore on Dec. 8, 2010.
L1 ap global networks
Global networks connect places through business, communication, transport, production, and demographic flows. Technology has increased global connectivity, "switching on" wealthy places highly connected through goods/services production and consumption, while less contributing places remain "switched off." Recent inventions like the internet and mobile phones have further connected the world, allowing greater communication, information sharing, and economic opportunities through platforms like email, social media, e-commerce, and mobile banking. This has contributed to a smaller, more interconnected global community.
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Unit 1 topic 1 show
- 1. Grade 7 Technology Education Unit 1 Big Ideas Unit 2 Basic Skills Unit 3 Design Activity
- 2. Unit 1 Topic 1 Tools of Communication Past, Present, Future
- 3. 1.01 Evolution of Communications Technology Go to the following website and view the history of communication from early alphabets to modern time internet http://inventors.about.com/library/inventors/bl_history_of_communication.htm
- 4. Local Companies Aliant provides phone services and fibre optic internet communications. Eastlink provides cable and fibre optic internet. Bell Mobility provides cell phone service.
- 7. The first transatlantic telegraph cable crossed the Atlantic Ocean from Foilhommerum, Valentia Island , in western Ireland to Heart's Content , in eastern Newfoundland . The transatlantic cable bridged North America and Europe , and expedited communication between the two. Whereas it would normally take at least ten days to deliver a message by ship, it now took a matter of minutes by telegraph . Go to the following site to learn more; http://en.wikipedia.org/wiki/Transatlantic_telegraph_cable
- 8. 1.03 Digital Convergence Digital Convergence - The process of combining digital text, graphics, video, and sound into single multimedia product. Ex. online encyclopedia/youtube Handout: Appendix A page A1-A3
- 9. 1.04 In the home or at school How do we make use of communications technologies at home or in school on a daily basis?