Computer Basics
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Questions and Answers

What is the primary function of the central processing unit?

  • To store data and programs
  • To execute program instructions and coordinate the activities of all the other units (correct)
  • To enable communication between the computer and devices
  • To provide a permanent storage of data and programs
  • What is the term for the physical units attached to the computer?

  • Storage devices
  • Software
  • Peripherals (correct)
  • Hardware
  • What is the purpose of input devices?

  • To display the output
  • To execute program instructions
  • To store data and programs
  • To enable data to go into the computer's memory (correct)
  • What is the term for a set of instructions that tells the computer what to do?

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

    What is the main function of storage devices?

    <p>To provide a permanent storage of data and programs</p> Signup and view all the answers

    What is the term for the collection of RAM chips that holds the instructions and data being processed by the CPU?

    <p>Main memory</p> Signup and view all the answers

    What is the purpose of output devices?

    <p>To enable us to extract the finished product from the system</p> Signup and view all the answers

    What is the term for the electronic machine that can accept data, process it, and give the results in a specified format?

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

    What are the two parts that a computer system consists of?

    <p>Hardware and software</p> Signup and view all the answers

    What is the purpose of the ports on the rear panel of the computer?

    <p>To enable communication between the computer and devices</p> Signup and view all the answers

    Study Notes

    What is a Computer?

    • A computer is an electronic machine that accepts data, processes it, and provides the results as information in a specified format.

    Computer System Components

    • A computer system consists of two parts: hardware and software.
    • Hardware refers to any electronic or mechanical part that can be seen or touched.
    • Software is a set of instructions (a program) that tells the computer what to do.

    Hardware Components

    • The three basic hardware sections are:
      • Central Processing Unit (CPU): executes program instructions and coordinates the activities of other units, considered the "brain" of the computer.
      • Main Memory (RAM chips): holds instructions and data being processed by the CPU.
      • Peripherals: physical units attached to the computer, including storage devices and input/output devices.

    Peripherals

    • Storage devices:
      • Provide permanent storage of data and programs.
      • Examples: hard drives, DVD drives, flash drives.
    • Input devices:
      • Enable data to enter the computer's memory.
      • Examples: mouse, keyboard.
    • Output devices:
      • Enable the extraction of finished products from the system.
      • Examples: monitor, printer.

    Computer Ports

    • Ports on the rear panel of the computer allow for communication between the computer and devices.
    • Examples of devices that can be plugged into ports: modem, digital camera, scanner.
    • Modern desktop PCs have USB ports and memory card readers on the front panel.

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    Description

    Learn about the basics of computers, including what a computer is, the components of a computer system, and the different types of hardware components.

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