Components of a Computer System
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What is the primary function of the CPU?

  • To store data permanently
  • To run programs and execute instructions (correct)
  • To manage system hardware resources
  • To interpret high-level programming languages

    • Which process does the CPU use to execute instructions?

  • Load-process-output cycle
  • Input-storage-output cycle
  • Read-write-delete cycle
  • Fetch-decode-execute cycle (correct)

    • What language can the CPU directly understand?

  • Machine language (correct)
  • Assembly language
  • Natural language
  • High-level programming languages

    • Why does the CPU have fast execution capabilities?

    <p>Its operations are based on binary data</p> Signup and view all the answers

    Which of the following is NOT a characteristic of the CPU?

    <p>It permanently stores data</p> Signup and view all the answers

    What is a primary role of machine language in relation to the CPU?

    <p>To allow the CPU to execute commands directly</p> Signup and view all the answers

    What is NOT part of the fetch-decode-execute cycle?

    <p>Transmitting data via Wi-Fi</p> Signup and view all the answers

    What term is used to describe the CPU’s inability to understand high-level languages?

    <p>Low-level language limitation</p> Signup and view all the answers

    Which of the following is NOT classified as an input device?

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

    Which of the following components collects data and sends it to the computer?

    <p>Digital camera</p> Signup and view all the answers

    What is the primary purpose of Main Memory in a computer system?

    <p>To allow CPU to quickly access and store data temporarily while a program is running.</p> Signup and view all the answers

    What is the primary function of output devices?

    <p>Produce data from the computer</p> Signup and view all the answers

    Which statement accurately describes Secondary Memory?

    <p>It can hold data for long periods of time even without power.</p> Signup and view all the answers

    What characteristic distinguishes machine language from higher-level programming languages?

    <p>Machine language is written in binary structure.</p> Signup and view all the answers

    Which component is considered an output device?

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

    Why is Main Memory considered temporary storage?

    <p>Data is lost when the computer is turned off.</p> Signup and view all the answers

    Which of the following pairs correctly identifies an input and output device?

    <p>Keyboard / Speaker</p> Signup and view all the answers

    How does Main Memory differ from Secondary Memory in a computer system?

    <p>Main Memory can be accessed more quickly by the CPU than Secondary Memory.</p> Signup and view all the answers

    Among the following options, which one specifically functions as an input device?

    <p>Digital camera</p> Signup and view all the answers

    What type of language is machine language considered?

    <p>A very low-level language.</p> Signup and view all the answers

    Which statement accurately describes the role of input devices?

    <p>They collect and send data to the computer for processing.</p> Signup and view all the answers

    Which of the following is commonly used to input audio data into a computer?

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

    Which of the following is NOT a feature of Main Memory?

    <p>It holds data permanently.</p> Signup and view all the answers

    What role does the CPU play in relation to Main Memory?

    <p>The CPU utilizes Main Memory for fast access to programs and data during execution.</p> Signup and view all the answers

    What type of memory is used for temporary storage while a program is running?

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

    Which of the following is a characteristic of Secondary Memory?

    <p>Stores data for long periods even without power</p> Signup and view all the answers

    Which of the following is NOT an example of Secondary Memory?

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

    What is the primary function of Input Devices in a computer system?

    <p>Collect data and send it to the computer</p> Signup and view all the answers

    Which of the following statements about Main Memory is correct?

    <p>It is the type of memory where programs run during execution.</p> Signup and view all the answers

    Which of the following is a common use of SSDs in a computer system?

    <p>Long-term data storage</p> Signup and view all the answers

    Which component of a computer system is responsible for sending data to the computer?

    <p>Input Devices</p> Signup and view all the answers

    What distinguishes Secondary Memory from Main Memory?

    <p>Secondary Memory retains data even when the computer is off.</p> Signup and view all the answers

    What is one of the primary functions of a modern computer?

    <p>To store and manipulate information</p> Signup and view all the answers

    What aspect of a program is emphasized in the definition of a modern computer?

    <p>It is under the control of a changeable program</p> Signup and view all the answers

    Which of the following best describes what computers do with information?

    <p>They store and manipulate it</p> Signup and view all the answers

    In the context of modern computing, what does 'changeable program' imply?

    <p>Programs that can be updated or altered</p> Signup and view all the answers

    Which term is NOT associated with the definition of a modern computer?

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

    What does 'manipulates information' suggest about modern computers?

    <p>They process and alter data</p> Signup and view all the answers

    Why is the ability to change programs important for modern computers?

    <p>It allows for adapting to new tasks and functions</p> Signup and view all the answers

    Which of the following phrases accurately captures the essence of a computer’s operation?

    <p>A system that processes and organizes data dynamically</p> Signup and view all the answers

    Study Notes

    Components of a Computer System

    • Main Memory (RAM for Random Access Memory) is quickly accessed by the CPU, stores programs and data when in use, and used for temporary storage
    • Secondary Memory holds data for longer periods even when the computer is off, examples of secondary memory include:
      • Internal Hard Disk Drive
      • Solid State Drive
      • USB memory/ flash memory
      • DVDs (digital versatile discs)
    • Input Devices collect and send data to the computer, examples include:
      • keyboard
      • mouse
      • scanner
      • microphone
      • digital camera
      • disc drives and optical waves
    • Output Devices produce data from the computer, examples include:
      • monitor
      • printer
      • speakers

    CPU

    • CPU is the part of the computer that runs programs
    • CPU follows the fetch-decode-execute cycle to read data from memory
    • CPU can only understand machine language which is a very low-level language
    • The binary structure of the machine language contributes towards the CPU's fast execution

    Key Elements

    • A computer is a machine that manipulates information under the control of a changeable program
    • Computer programs can change the instructions and data the computer uses

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    Description

    This quiz covers essential components of a computer system including main memory, secondary memory, input and output devices, and the central processing unit (CPU). Understand how each component functions and their roles in overall system performance. Test your knowledge on fundamental computer architecture.

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