The Era of Personal and Network Computers
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The Era of Personal and Network Computers

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Questions and Answers

What was one of the earliest applications of computers in homes?

  • Managing personal finances (correct)
  • Playing video games
  • Designing websites
  • Programming software
  • What significant demonstration took place on December 9, 1968?

  • The internet was first introduced
  • Television technology was revolutionized
  • The first video game was launched
  • Douglas Engelbart showcased personal networking technology (correct)
  • What effect does the number of users in a network have according to the network effect principle?

  • It makes it easier to communicate outside the network
  • It decreases the usability of the network
  • It causes network congestion
  • It increases the utility of the network for each user (correct)
  • By which year was the core computer networking technology we use today specified?

    <p>1981</p> Signup and view all the answers

    What was one of the limitations of early computer networks?

    <p>Limited to local connections, such as in an office</p> Signup and view all the answers

    Why did the technology industry refer to Douglas Engelbart's demonstration as the 'mother of all demos'?

    <p>It had a significant impact on personal networked computer technology</p> Signup and view all the answers

    Which analogy is used to explain the network effect?

    <p>A village with telephones connecting to each other</p> Signup and view all the answers

    Since which century have computer networks become globally available like basic utilities?

    <p>21st century</p> Signup and view all the answers

    What is a significant reason why women leave tech companies after ten years?

    <p>Workplace conditions</p> Signup and view all the answers

    According to the report by the Center for Talent Innovation, women do not leave tech due to which of the following reasons?

    <p>Family responsibilities</p> Signup and view all the answers

    Which topic is NOT explicitly mentioned in the document as a chapter or discussion?

    <p>The Age of Artificial Intelligence</p> Signup and view all the answers

    What percentage of women reportedly leave tech companies after ten years?

    <p>40%</p> Signup and view all the answers

    What is the main activity described in the document?

    <p>Essay on how Information Technology began</p> Signup and view all the answers

    Which of the following authors is affiliated with the University of South Florida?

    <p>Clinton Daniel</p> Signup and view all the answers

    What aspect of the manga site is suggested to deter women from participating?

    <p>Dominance of male users and sexist tone</p> Signup and view all the answers

    Which option correctly describes the method for submitting answers to the essay?

    <p>Using Microsoft Forms</p> Signup and view all the answers

    What does the situation described in the content suggest about the tech industry?

    <p>It exhibits signs of institutionalized bias.</p> Signup and view all the answers

    What is prohibited according to the document?

    <p>AI-generated answers</p> Signup and view all the answers

    What is the primary function of the Internet as described?

    <p>To enable businesses and users to share information worldwide.</p> Signup and view all the answers

    Which analogy is used to compare the flow of information on the Internet?

    <p>Cars traveling on a highway system.</p> Signup and view all the answers

    What major change occurred in the United States' economy by 1920?

    <p>It advanced significantly in comparison to the rest of the world.</p> Signup and view all the answers

    What type of network is referred to as a LAN?

    <p>A small network within a building or a designated area.</p> Signup and view all the answers

    Which of the following statements accurately describes WANs?

    <p>WANs connect multiple LANs across vast geographic areas.</p> Signup and view all the answers

    Which networks were foundational to the economic prosperity of the United States?

    <p>A combination of water, sewage, electricity, roads, and telephones.</p> Signup and view all the answers

    What is the relationship between LANs and WANs as described in the content?

    <p>LANs are smaller networks that connect to larger WANs.</p> Signup and view all the answers

    What is one key aspect of the World Wide Web as discussed?

    <p>It allows for linked information across the internet.</p> Signup and view all the answers

    What major development led to the mobile revolution?

    <p>Advancements in storage and networking technologies</p> Signup and view all the answers

    Which two operating systems dominate the mobile era?

    <p>Apple's iOS and Google's Android</p> Signup and view all the answers

    What principle does Moore's Law describe?

    <p>The doubling of transistor count on a microchip every two years</p> Signup and view all the answers

    What is the primary measurement unit for the size of a transistor?

    <p>Nanometers</p> Signup and view all the answers

    Which characteristic differentiates Android from iOS?

    <p>Android is based on Linux</p> Signup and view all the answers

    What significant change in mobile technology has contributed to wider accessibility?

    <p>Availability of free audio and video phone apps</p> Signup and view all the answers

    What was the approximate number of transistors on a cutting-edge computer microchip in 1970?

    <p>2000</p> Signup and view all the answers

    What benefit do smartphones provide to users in developing countries?

    <p>Communication and access to information</p> Signup and view all the answers

    Study Notes

    The Era of Personal Computers

    • Computers transitioned from large, expensive machines to more affordable and accessible devices for everyday tasks
    • Personal computers became widely adopted for writing letters, managing finances, communication, creating music, and entertainment
    • An estimated 250 to 350 million personal computers are sold annually to meet this demand

    The New Era of Network Computers and Internet

    • Computers have revolutionized information exchange, with engineers developing technologies for communication between devices
    • Initial networks connected computers within offices, enabling email and resource sharing like printers
    • The "Mother of All Demos" in 1968 by Douglas Engelbart showcased key technologies like networking, graphical user interfaces (GUIs), hypertext, the mouse, video conferencing, and word processing, laying the foundation for modern computing

    Network Effects

    • The value of a network increases with the number of users
    • More users lead to more connections and greater utility for each user
    • This network effect drove the rapid growth of computer networks

    The Internet and the World Wide Web

    • The internet is a global network of computers sharing information
    • The World Wide Web (WWW) is a web of information interconnected through links within the internet
    • Internet access and its vast network are now as essential as basic utilities such as water and electricity

    Networks and Development

    • The US experienced significant economic development in the early 20th century due to investments in transportation and communication infrastructure
    • The information network, including the internet, has become a key contributor to global prosperity

    LANs vs WANs

    • Local Area Networks (LANs) are small networks within buildings, connecting devices like computers, printers, and the internet
    • Wide Area Networks (WANs) are large networks connecting LANs over geographically distributed areas, like states or countries
    • WANs are typically operated by internet providers and require user subscriptions

    The Mobile Technology Revolution

    • Computing technologies have shrunk to fit into mobile phones and other portable devices
    • The mobile revolution was fueled by advancements in storage, battery life, screens, materials, and networking technology
    • Smartphones have replaced traditional phones, becoming powerful computers carried by users worldwide

    Operating Systems

    • Windows dominated the personal computer era, while iOS (Apple) and Android (Google) dominate the mobile era
    • Both iOS and Android are descendants of the Unix operating system lineage
    • Linux, a Unix-compatible operating system created by Linus Torvalds in 1991, is the foundation for Android

    Moore's Law

    • Moore's Law describes the exponential growth in the number of transistors on a microchip every two years
    • Transistors are tiny electronic devices that store and process information, with their size measured in nanometers
    • Advances in microchip technology have driven the development of increasingly powerful computers

    Women in Technology

    • Women are underrepresented in the technology industry, experiencing challenges like workplace conditions, undermining behavior, and career stagnation
    • High turnover rates for women in tech suggest systemic issues inhibiting their advancement and success
    • Studies highlight the need for addressing systemic bias and creating more inclusive work environments for women in tech

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    Description

    Explore the transition from large computers to personal devices and the impact of networking on communication and information exchange. This quiz delves into the history, technology advancements, and the significance of network effects in the digital age.

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