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Computer Science: Central Processing Unit and Main Memory Quiz

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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?

Flash drive (B) Signup and view all the answers

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

To feed data and programs into computers (D) Signup and view all the answers

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

Output device (D) Signup and view all the answers

What are the two main components of a computer system?

Hardware and Software (D) Signup and view all the answers

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

Random access memory (RAM) (D) Signup and view all the answers

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

Central Processing Unit (B) Signup and view all the answers

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

Central Processing Unit (CPU) (B) Signup and view all the answers

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

To store data permanently even when the power is off (A) Signup and view all the answers

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

Micro computer (personal computer) (B) Signup and view all the answers

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

Carrying out arithmetic and logical operations (D) Signup and view all the answers

Which statement accurately describes main memory (RAM)?

All programs can run without being loaded into RAM. (C) Signup and view all the answers

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

Data is lost from RAM. (D) Signup and view all the answers

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

To enable quick access for the CPU. (A) Signup and view all the answers

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

Central Processing Unit (CPU) (A) 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)?

RAM is where CPU executes program instructions. (A) Signup and view all the answers