Introduction to Computing and Modern Technology
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Questions and Answers

What was Gladys Mae West's significant contribution to technology?

  • Programming the first personal computer
  • Creation of RFID technology
  • Work on the Global Positioning System (correct)
  • Development of the Internet of Things
  • Which of the following is a key characteristic of Artificial Intelligence?

  • Learning from experience and adjusting to new inputs (correct)
  • Performing calculations faster than a supercomputer
  • Ability to store massive amounts of data
  • Executing commands without any input
  • Which technology is integral to the Internet of Things?

  • Traditional computing
  • Blockchain
  • Virtual reality
  • Embedded systems (correct)
  • What does RFID stand for and where is it commonly used?

    <p>Radio Frequency Identification, found in electronic tags and smart cards</p> Signup and view all the answers

    How has computing transformed modern society?

    <p>By connecting people worldwide through networks</p> Signup and view all the answers

    What does the term 'computer' originally refer to?

    <p>A person who performed calculations manually</p> Signup and view all the answers

    Which of the following is NOT an application of Artificial Intelligence?

    <p>Video gaming</p> Signup and view all the answers

    What enables faster information exchange in the Internet of Things?

    <p>Wireless communication protocols</p> Signup and view all the answers

    What is a characteristic of a software monitor?

    <p>It tracks computer or network activity.</p> Signup and view all the answers

    Which of the following describes the numeral system used by the Egyptians?

    <p>Utilized a base-10 system with various symbols for large numbers.</p> Signup and view all the answers

    Which notable figure is associated with the development of the Difference Engine?

    <p>Charles Babbage</p> Signup and view all the answers

    Which of the following is not an example of big data applications?

    <p>Streaming Services</p> Signup and view all the answers

    What is the first web page's URL address?

    <p><a href="http://info.cern.ch/hypertext/WWW/TheProject.html">http://info.cern.ch/hypertext/WWW/TheProject.html</a></p> Signup and view all the answers

    Which numeral represents 100 in the Greek numeral system?

    <p>Δ (Delta)</p> Signup and view all the answers

    Which technology was pioneered by Gladys Mae West?

    <p>GPS Technology</p> Signup and view all the answers

    What form of virtualization includes Server, Desktop, and Storage?

    <p>System Virtualization</p> Signup and view all the answers

    What is a key advantage of an operating system?

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

    Which of the following is NOT a generation of digital computers?

    <p>Quantum Circuits</p> Signup and view all the answers

    Which programming paradigm emphasizes the organization of code into reusable functions?

    <p>Procedural Programming</p> Signup and view all the answers

    Which of the following is NOT considered an advantage of an operating system?

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

    Who are known developers of analog computers?

    <p>James Thomson and Vannevar Bush</p> Signup and view all the answers

    Which of these technologies is NOT classified as wireless technology?

    <p>Fiber Optics</p> Signup and view all the answers

    What role does programming play in the development of algorithms?

    <p>Enhances critical thinking and logic</p> Signup and view all the answers

    What term describes high-level programming languages that allow more human-readable syntax?

    <p>High-Level Languages</p> Signup and view all the answers

    What is the main advantage of Java being platform independent?

    <p>Java can run on any device without modifications.</p> Signup and view all the answers

    Which of the following is NOT a common use of Java?

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

    What is the primary role of the Java Virtual Machine (JVM)?

    <p>To run Java applications as a runtime engine.</p> Signup and view all the answers

    How many keywords does the Java programming language have?

    <p>50</p> Signup and view all the answers

    Which principle states that each symbol in a program's logic should have only one entry point and one exit point?

    <p>Single Rule</p> Signup and view all the answers

    What is the primary characteristic of functional programming?

    <p>It treats computation as evaluating mathematical functions.</p> Signup and view all the answers

    Which of the following is an example of a low-level language?

    <p>Assembly Language</p> Signup and view all the answers

    What is the role of an interpreter in programming?

    <p>It executes instructions in a high-level language without converting it to machine language.</p> Signup and view all the answers

    Which of the following is NOT a category of flowchart?

    <p>Algorithm Flowchart</p> Signup and view all the answers

    Which symbol in a flowchart indicates a decision point?

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

    What process is represented by the term 'Problem Analysis' in the algorithm problem-solving process?

    <p>The initial identification and understanding of the issue.</p> Signup and view all the answers

    What does pseudocode do in the representation of algorithms?

    <p>It describes distinct steps of an algorithm in a human-readable format.</p> Signup and view all the answers

    Which of the following descriptions refers to a library in programming?

    <p>A collection of useful resources such as objects and functions.</p> Signup and view all the answers

    What is the purpose of a compiler in the context of programming languages?

    <p>To convert high-level language into machine-readable code.</p> Signup and view all the answers

    Which of the following is NOT one of the five rules for creating program flowcharts?

    <p>Include complex symbols unique to each program.</p> Signup and view all the answers

    Study Notes

    Introduction to Computing

    • Computing involves using computers to manage, process, and communicate critical information essential for modern technology.
    • Gladys Mae West, an influential African-American mathematician, significantly contributed to GPS development in the 1960s, achieving precision in calculating the Earth's geoid.

    Modern Computing

    • The Internet of Things (IoT) consists of a network of physical objects that gather and share data, enabling efficient monitoring and management.
    • Key technologies include:
      • Radio Frequency Identification (RFID) in tags and smart cards.
      • Sensor Technology for detecting environmental signals like temperature and speed.
      • Embedded Systems that integrate hardware and software for specific functions (e.g., ATMs, digital cameras).
    • Artificial Intelligence (AI) enables machines to learn, adapt, and perform tasks similar to humans. This technology, alongside cloud computing and big data, drives digital transformation in the ICT industry.

    Examples of AI Applications

    • Facial recognition systems for device security.
    • Voice recognition technology.
    • Chatbots for customer service.
    • Robotics for various tasks and automation.
    • Virtual assistants such as Siri and Alexa for everyday tasks.
    • Digital payment solutions.

    The Everchanging Computers

    • A computer is defined as a programmable device capable of processing, storing, and retrieving data as per software instructions.
    • Computers have transformed the world into a "global village" through their integration in daily life.
    • "Computer" originally referred to a human performing calculations before machinery emerged.
    • Types of monitors include:
      • Display devices (e.g., LCD, LED).
      • Software monitors for tracking computer or network activity.

    The Power of the Web and the Internet

    Early Civilizations and Their Numerical Systems

    • Babylonians used symbols for 1 and 10.
    • Egyptians had a base-10 system with distinct symbols for various quantities.
    • Greeks utilized attic numerals (e.g., Ι = 1, Π = 5, Δ = 10).
    • Romans represented numbers through letters (e.g., I = 1, V = 5).
    • Islamic Influence contributed to the decimal system.

    Notable Figures in Computing

    • Willhelm Gottfried Leibniz: Step Reckoner.
    • Charles Babbage: The Difference Engine.
    • George Boole: Symbolic Logic pioneer.
    • Grace Hopper: Developed COBOL in 1959.
    • Katherine Johnson: Noted "Human Computer."
    • Gladys Mae West: Key figure in GPS technology.

    Applications of Cloud Computing

    • Notable examples include cloud storage, Google Translate, and streaming services.

    Virtualization

    • Refers to server, desktop, or storage settings enabling efficiency and resource management.

    Big Data Examples

    • Key industries utilizing big data include banking, healthcare, and education.

    Types of Computing Devices

    • Two primary types: Analog Computers and Digital Computers.

    Notable Developers of Analog Computers

    • James Thomson and Vannevar Bush were instrumental in developing early analog computing systems.

    Generations of Digital Computers

    • 1st Generation: Vacuum Tubes.
    • 2nd Generation: Transistors.
    • 3rd Generation: Integrated Circuits.
    • 4th Generation: Microprocessors.

    Main Components of CPU

    • Includes Memory Unit, Control Unit, and Arithmetic-Logical Unit (ALU).

    Advantages and Disadvantages of Operating Systems

    • Advantages: Abstraction, Executable Programs, User-friendliness.
    • Disadvantages: Volatility, expense, unpredictability.

    Wireless Technologies

    • Includes Wi-Fi, Bluetooth, 3G, 4G, and 5G.

    Media Impacting the World

    • Key areas influenced: Communication, Information dissemination, Entertainment, and Education.

    Basics of Programming

    • A computer program consists of codes—sequential instructions written in a programming language for specific tasks.
    • Programming fosters critical thinking, logical reasoning, and efficient problem-solving by helping developers break tasks into manageable parts.

    Evolution and History of Programming

    • Initially written in machine code (binary), programming has evolved to utilize high-level languages that are more comprehensible.

    Programming Paradigms

    • Procedural Programming: Focuses on procedures or functions.
    • Object-Oriented Programming (OOP): Encourages data encapsulation.
    • Functional Programming: Emphasizes mathematical function evaluation.

    Categories of Programming Languages

    • Low-Level Languages:
      • Assembly Language for hardware control.
      • Machine Language (binary).
    • High-Level Languages: More user-friendly and easier to understand.

    Programming Terminologies

    • Syntax: Rules for symbol arrangement.
    • Command: Unique instructions executed by a computer.
    • Integrated Development Environment (IDE): Software for code formatting.
    • Library: Collection of useful programming resources.
    • Interpreter: Executes high-level instructions without conversion.
    • Compiler: Converts high-level code into machine-readable format.
    • Algorithm: Defined steps generating a solution sequence.

    Problem-Solving Process of Algorithms

    • Involves problem analysis, design, coding, and execution phases.

    Tools for Representing Algorithms

    • Pseudocode: Simplified textual description of logic.
    • Flowchart: Visual representation detailing algorithm steps.

    Java Programming Introduction

    • Java is a dynamic, high-level language created by Sun Microsystems in 1995, used for diverse applications including game development and cloud computing.
    • Java Runtime Environment (JRE) provides essential resources for Java programs.

    Advantages of Using Java

    • Features active community support, high learning resource quality, built-in function libraries, security, platform independence, and WORA (Write Once, Run Anywhere).

    Understanding Java Development

    • Key elements include Java Virtual Machine (JVM) for runtime execution and familiarity with Java Language and APIs.

    Java Language Characteristics

    • Comprises about 50 keywords, facilitating both compilers (for source to bytecode conversion) and interpreters.

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    Description

    Explore the fundamentals of computing and its evolution, focusing on the contributions of key figures like Gladys Mae West in GPS technology. This quiz covers modern advancements such as IoT, AI, and various emerging technologies shaping the digital landscape.

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