Computer Science: Central Processing Unit and Main Memory Quiz
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Questions and Answers

What is the unique identifier of each memory cell in main memory?

  • Memory size
  • Data type
  • Cell content
  • Address (correct)

    • Which of the following statements is true about main memory?

  • It contains only programming instructions
  • It is an input device
  • Each cell has a specific address (correct)
  • It permanently stores information

    • What can a memory cell in main memory contain?

  • Only data
  • Input devices
  • Secondary storage
  • Either a programming instruction or data (correct)

    • Which device is used to store information permanently?

    <p>Flash drive</p> Signup and view all the answers

    What is the purpose of input devices in a computer system?

    <p>To feed data and programs into computers</p> Signup and view all the answers

    Which type of device is a printer categorized as in a computer system?

    <p>Output device</p> Signup and view all the answers

    What are the two main components of a computer system?

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

    Which of the following is considered main memory in a computer system?

    <p>Random access memory (RAM)</p> Signup and view all the answers

    What does CPU stand for in the context of a computer system?

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

    Which component of a computer system is directly responsible for processing data?

    <p>Central Processing Unit (CPU)</p> Signup and view all the answers

    What is the purpose of secondary storage in a computer system?

    <p>To store data permanently even when the power is off</p> Signup and view all the answers

    Which type of computer is most likely to have main memory (RAM) as one of its categories?

    <p>Micro computer (personal computer)</p> Signup and view all the answers

    What is the main function of the central processing unit (CPU)?

    <p>Carrying out arithmetic and logical operations</p> Signup and view all the answers

    Which statement accurately describes main memory (RAM)?

    <p>All programs can run without being loaded into RAM.</p> Signup and view all the answers

    What happens to the data stored in main memory (RAM) when the computer loses power?

    <p>Data is lost from RAM.</p> Signup and view all the answers

    Why is it necessary to load all programs into main memory before their execution?

    <p>To enable quick access for the CPU.</p> Signup and view all the answers

    Which component of a computer system is referred to as the 'brain of the computer'?

    <p>Central Processing Unit (CPU)</p> Signup and view all the answers

    In a typical computer system, what is the relationship between the central processing unit (CPU) and main memory (RAM)?

    <p>RAM is where CPU executes program instructions.</p> Signup and view all the answers

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