Principles of Computing: Chapter 1 - Computers and Operating Systems
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Questions and Answers

What is the main goal of the chapter?

  • To list the parts of a computer
  • To define the term program
  • To explain the role of networking
  • To describe the importance of computers in today’s world (correct)

    • Which of the following is NOT a part of a computer?

  • Ports and Connections (USB, Firewire, etc.)
  • Expansion Cards (Video Card, Sound Card, or NIC) (correct)
  • Input Devices (Keyboard, Mouse, etc.)
  • Output Devices (Monitor, Speakers, etc.)

    • What is the primary role of an operating system?

  • To define the term program
  • To exercise common Unix commands
  • To explain what is meant by data
  • To manage the hardware components of a computer (correct)

    • Which field does the text NOT mention as a role of computers?

    <p>Agricultural Field</p> Signup and view all the answers

    What are the primary hardware components of a computer?

    <p>Central Processing Unit and memory</p> Signup and view all the answers

    What is the function of expansion cards like Video Card, Sound Card, or NIC?

    <p>To enhance performance or functionality</p> Signup and view all the answers

    What is the function of the operating system in a computer?

    <p>Instructs the computer on how to operate</p> Signup and view all the answers

    Which component of a computer converts AC power from the wall socket into DC?

    <p>Power supply</p> Signup and view all the answers

    What is the main function of a computer's central processing unit (CPU)?

    <p>Executes a program, which is a sequence of stored instructions</p> Signup and view all the answers

    What is resistance measured in?

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

    What is voltage?

    <p>A measure of the force required to push electrons through a circuit</p> Signup and view all the answers

    What is power in electricity?

    <p>Voltage multiplied by current</p> Signup and view all the answers

    What should you not do to a power supply?

    <p>Open it</p> Signup and view all the answers

    Which component of a computer contains the buses, or electrical pathways found in a computer?

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

    What is the main function of a computer case?

    <p>Provides protection and support for internal components</p> Signup and view all the answers

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