Introduction to Computer Components
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Questions and Answers

What is the main function of the Central Processing Unit (CPU)?

  • Transferring data from input devices to output devices
  • Controlling the flow of electricity inside the computer
  • Executing instructions to perform arithmetic and logical operations (correct)
  • Storing data for future use

    • Which unit is responsible for entering data into a computer from input devices?

  • Output Unit
  • Secondary Memory
  • Main Memory
  • Input Unit (correct)

    • What are examples of input devices mentioned in the text?

  • Keyboard, Mouse, and Digital Cameras
  • Light Pen, Trackball, and Joystick
  • Point Of Sale Terminal (POS Terminal), Magnetic Ink Character Recognition (MICR), and Tag Reader
  • All of the above (correct)

    • What is the unit that executes instructions to perform arithmetic and logical operations inside the computer?

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

    How is the speed of the CPU typically measured?

    <p>Megahertz (MHz) and Gigahertz (GHz)</p> Signup and view all the answers

    What are the functions of the Arithmetic Logic Unit (ALU) and the Control Unit (CU) within the Central Processing Unit (CPU)?

    <p>The ALU performs arithmetic and logical operations, while the CU controls the execution of instructions and the flow of data within the CPU.</p> Signup and view all the answers

    What are some examples of input devices mentioned in the text?

    <p>Examples of input devices mentioned in the text include keyboard, mouse, light pen, joystick, digital cameras, trackball, and point of sale terminal (POS terminal).</p> Signup and view all the answers

    What are the main components of a computer system according to the text?

    <p>According to the text, a computer system consists of hardware, software, and human ware (user).</p> Signup and view all the answers

    What are the units included in the hardware components of a computer system?

    <p>The hardware components of a computer system include central processing unit (CPU), input devices, output devices, main storage unit, and secondary storage devices.</p> Signup and view all the answers

    How is the speed of the CPU typically measured, and what are some examples of popular CPUs mentioned in the text?

    <p>The speed of the CPU is typically measured in Megahertz (MHz) and Gigahertz (GHz). Some popular CPUs mentioned in the text are Intel and AMD.</p> Signup and view all the answers

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