Computer System Architecture Quiz
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Questions and Answers

Which of the following correctly describes the relationship between the storage unit and the arithmetic logic unit (ALU)?

  • The ALU directly accesses data from secondary storage without involving the storage unit
  • Storage units are responsible for controlling the ALU
  • The storage unit provides data to the ALU as needed for calculations (correct)
  • Data from the ALU is permanently stored in the storage unit
  • What is the primary function of the input unit in a computer system?

  • To perform calculations
  • To display output to users
  • To provide data to the computer from external sources (correct)
  • To store data permanently
  • What type of storage is known as primary storage?

  • External hard drives for long-term data
  • Cloud storage accessible via the internet
  • Optical disks used for storing media
  • Main memory directly accessible by the CPU (correct)
  • What is the main role of the control unit in a computer system?

    <p>To manage the flow of data between other units</p> Signup and view all the answers

    Which output device is primarily designed to provide auditory feedback?

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

    Which of the following is an incorrect statement about secondary storage?

    <p>It is directly accessible by the CPU at all times</p> Signup and view all the answers

    What arithmetic operations can the arithmetic logic unit (ALU) perform?

    <p>All basic arithmetic operations including addition, subtraction, multiplication, and division</p> Signup and view all the answers

    How does data traverse within the different units of a computer system?

    <p>Data continuously moves between the storage unit and the ALU for processing</p> Signup and view all the answers

    What is the role of the control unit in a computer system?

    <p>Controls the operations of the other units and manages data flow</p> Signup and view all the answers

    Which unit is responsible for performing all calculations in a computer system?

    <p>Arithmetic Logic Unit</p> Signup and view all the answers

    What distinguishes primary storage from secondary storage?

    <p>Primary storage is accessible by the CPU, while secondary storage is not</p> Signup and view all the answers

    How does the input unit contribute to the computer system?

    <p>It links the external environment with the computer by providing data</p> Signup and view all the answers

    What type of data do output units primarily provide to users?

    <p>Computed results in the form of audio or video</p> Signup and view all the answers

    Which of the following best describes secondary storage?

    <p>It holds a large amount of data permanently and is not directly accessible by the CPU.</p> Signup and view all the answers

    How do data and instructions move between the storage unit and other units?

    <p>Data is transferred from storage unit to ALU for computation and back again.</p> Signup and view all the answers

    Which of the following is NOT a function of the input unit?

    <p>It processes data for output presentation.</p> Signup and view all the answers

    Study Notes

    Computer System Architecture

    • A computer system simplifies complex tasks while maximizing performance and minimizing costs and power consumption.
    • Key components of Computer System Architecture include:
      • Input Unit
      • Output Unit
      • Storage Unit
      • Arithmetic Logic Unit (ALU)
      • Control Unit

    Data Flow in Computer Systems

    • Input data travels from the Input Unit to the ALU for processing.
    • Computed data is sent from the ALU to the Output Unit.
    • Data frequently moves between the Storage Unit and ALU for computation and storage.
    • The Control Unit manages operations and data flow among all units.

    Input Unit

    • Links external environment to the computer, providing data inputs.
    • Converts input from devices into machine language for processing.
    • Common input devices include keyboards and mice.

    Output Unit

    • Connects the computer with the external environment by providing processed results to users.
    • Output often takes the form of audio or video.
    • Common output devices include monitors, printers, speakers, and headphones.

    Storage Unit

    • Contains components for data storage, categorized into:
      • Primary Storage: Known as main memory, directly accessible by the CPU.
      • Secondary Storage: Not directly accessible by CPU; requires data to be loaded into primary storage for use.
    • Secondary storage offers large capacity for permanent data retention.

    Arithmetic Logic Unit (ALU)

    • Performs all mathematical calculations within the computer system.
    • Capable of executing operations such as addition, subtraction, multiplication, and division.
    • Works closely with the Control Unit, which coordinates data transfer between the Storage Unit and ALU for calculations.

    Central Processing Unit (CPU)

    • Comprised of the ALU and Control Unit, responsible for executing instructions and processing data within the computer system.

    Computer System Architecture

    • A computer system simplifies complex tasks while maximizing performance and minimizing costs and power consumption.
    • Key components of Computer System Architecture include:
      • Input Unit
      • Output Unit
      • Storage Unit
      • Arithmetic Logic Unit (ALU)
      • Control Unit

    Data Flow in Computer Systems

    • Input data travels from the Input Unit to the ALU for processing.
    • Computed data is sent from the ALU to the Output Unit.
    • Data frequently moves between the Storage Unit and ALU for computation and storage.
    • The Control Unit manages operations and data flow among all units.

    Input Unit

    • Links external environment to the computer, providing data inputs.
    • Converts input from devices into machine language for processing.
    • Common input devices include keyboards and mice.

    Output Unit

    • Connects the computer with the external environment by providing processed results to users.
    • Output often takes the form of audio or video.
    • Common output devices include monitors, printers, speakers, and headphones.

    Storage Unit

    • Contains components for data storage, categorized into:
      • Primary Storage: Known as main memory, directly accessible by the CPU.
      • Secondary Storage: Not directly accessible by CPU; requires data to be loaded into primary storage for use.
    • Secondary storage offers large capacity for permanent data retention.

    Arithmetic Logic Unit (ALU)

    • Performs all mathematical calculations within the computer system.
    • Capable of executing operations such as addition, subtraction, multiplication, and division.
    • Works closely with the Control Unit, which coordinates data transfer between the Storage Unit and ALU for calculations.

    Central Processing Unit (CPU)

    • Comprised of the ALU and Control Unit, responsible for executing instructions and processing data within the computer system.

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    Description

    Test your knowledge on the fundamentals of computer system architecture, including its components such as Input Unit, Output Unit, and Control Unit. This quiz will help you understand how these units work together to enhance performance and efficiency in computer engineering.

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