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 (B)</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 (D)</p> Signup and view all the answers

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

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

What are the two main components of a computer system?

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

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

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

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

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

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

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

Which statement accurately describes main memory (RAM)?

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

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