Communication Technology and ICT Trends Quiz
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Questions and Answers

What is the main characteristic of a computer as described in the text?

  • High storage capacity
  • Ultra-fast processing speed (correct)
  • Infinite data processing capabilities
  • Complete immunity to errors

    • Which unit is commonly used to measure the speed of a computer's internal operations?

  • Picosecond
  • Microgram
  • Nanosecond (correct)
  • Millisecond

    • What is the main reason for errors in computing according to the text?

  • Faulty software design
  • Excessive storage capacity
  • Underdeveloped hardware
  • Inaccurate data (correct)

    • Which trend is NOT mentioned in the text as a characteristic of Information and Communication Technology (ICT)?

    <p>Decreasing user-friendliness</p> Signup and view all the answers

    What type of machine is a computer according to the text?

    <p>Electronic data processing machine</p> Signup and view all the answers

    Which speed unit is used to measure the incredibly fast internal speed of a powerful computer performing addition of large numbers?

    <p>$300-400$ nanoseconds</p> Signup and view all the answers

    What is the main difference between data and information?

    <p>Data consists of raw facts while information is meaningful and user-oriented.</p> Signup and view all the answers

    Which of the following describes operational information?

    <p>Daily details used in managing an organization.</p> Signup and view all the answers

    What are the desirable qualities of information according to the text?

    <p>Relevance, Completeness, Accuracy</p> Signup and view all the answers

    How is information classified based on its purpose?

    <p>Operational, Management, Strategic</p> Signup and view all the answers

    What makes a piece of data become information?

    <p>When it is manipulated to be meaningful to the user</p> Signup and view all the answers

    In the context of systems, what is the role of daily receipts, invoices, and payslips as mentioned in the text?

    <p>Operational Information</p> Signup and view all the answers

    What is the key difference between analog computers and digital computers?

    <p>Analog computers represent data in continuous electrical signals, while digital computers store and process data in digital form.</p> Signup and view all the answers

    Why is it important to properly connect computer cables?

    <p>To prevent device malfunction due to communication gaps.</p> Signup and view all the answers

    What does 'hybrid computer' refer to?

    <p>A combination of analog and digital computers, incorporating the best features of both.</p> Signup and view all the answers

    Why is giving proper care to the device essential according to the text?

    <p>It helps to prevent errors caused by improper control.</p> Signup and view all the answers

    What defines special purpose computers?

    <p>They perform only specific tasks.</p> Signup and view all the answers

    Why is compatibility to peripherals important for a computer system?

    <p>It guarantees that the computer can run effectively with its external components.</p> Signup and view all the answers

    Study Notes

    • Increase in raw computing power
    • Increase in storage capacity
    • Increasing diversity
    • Falling prices
    • Increasing functionality and flexibility
    • Increasing user-friendliness
    • Improved connectivity

    Characteristics of a Computer

    • Speed: electronic, high-speed calculator, units of speed are microsecond, nanosecond, and picosecond
    • Accuracy: high, errors are due to human weaknesses, not technological weaknesses

    Characteristics of a Computer (continued)

    • Storage: can store a large amount of data permanently

    What is Data?

    • A collection of independent raw facts, numbers, letters, symbols
    • Refers to the facts and figures relating to events that take place
    • Refers to things “known”

    What is Information?

    • Data made meaningful based on user needs through manipulation
    • Desirable qualities: relevance, completeness, accuracy, cost-effectiveness, timeliness

    Classifications of Information

    • Operational Information: daily details for running an organization
    • Management Information: for managing planning, organizing, and controlling an organization
    • Strategic Information: mission critical, relates to the organization's thrust

    Data versus Information

    • Data: collection of facts in forms of numbers, letters, special symbols, or combinations
    • Information: data that has been organized and processed to become meaningful

    What is a System?

    Why Computers Sometimes Fail

    • Input Errors or Errors in Instructing a Computer
    • Communication Gap
    • Improper Control
    • Lack of Standard

    Types of Computer

    • Digital computer
    • Main frame computer
    • Micro computer
    • Home PC
    • Analog computer
    • Super Computer
    • Hybrid Computer
    • Mini Computer

    Classifications of Computer

    • Based on operating principles: Analog computers, Digital computers, Hybrid computers
    • Based on applications: General purpose computers, Special purpose computers
    • Based on size and capability

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    Description

    Test your knowledge on communication technology and Information and Communication Technology (ICT) trends. Explore concepts such as transmission of information over networks, increase in computing power, storage capacity, falling prices, and more.

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