Why computer is called a machine?

Why computer is called a machine?

1. What is a computer?

A computer is an electronic device that is designed to manipulate and process data according to a set of instructions.

2. Why is a computer considered a machine?

A computer is called a machine because it performs complex calculations and processes data at high speeds, similar to other mechanical machines.

3. What are the characteristics of a computer?

Computers have characteristics such as the ability to store and retrieve data, perform calculations, process information, and execute tasks based on instructions given to them.

4. How does a computer work?

Computers work based on electrical signals flowing through circuits. These circuits contain transistors that perform logical operations, and the combination of these operations facilitates the processing of data.

5. What is the purpose of a computer?

The primary purpose of a computer is to process and manipulate data, solve complex problems, perform calculations, and facilitate communication and information storage.

6. Why is a computer an electronic device?

Computers are electronic devices because they rely on electronic components, circuits, and signals to perform their functions. They utilize electrical energy to operate and process information.

7. How is a computer different from other machines?

Computers differ from other machines as they can be programmed to perform a wide range of tasks, adapt to different inputs, and exhibit a higher degree of flexibility and versatility.

8. Can a computer be considered a tool?

Yes, a computer can be seen as a tool as it helps individuals and organizations perform various tasks efficiently, simplifies complex operations, and enhances productivity.

9. Are all computers the same?

No, computers come in different sizes, types, and configurations. They can be classified into personal computers, supercomputers, mainframes, embedded systems, and more, depending on their capabilities and intended use.

10. Why is computer hardware essential?

Computer hardware encompasses the physical components of a computer, including the central processing unit, memory, storage devices, input/output devices, and more. It is crucial for the computer to function properly.

11. Is there a limit to what a computer can do?

While computers have advanced immensely, there are limits to their capabilities. They rely on programming, power, and available resources. Certain tasks may require specialized hardware or may be beyond the current computational capacity.

12. How has computers revolutionized society?

Computers have transformed society by revolutionizing communication, enabling quick access to information, streamlining processes, facilitating global connectivity, and powering various industries, such as healthcare, finance, and entertainment.


Computers are truly remarkable machines that have become an indispensable part of our lives. The answer to the question “Why is a computer called a machine?” lies in its ability to process and manipulate data, perform complex calculations, and execute tasks based on instructions. From being mere calculators to becoming versatile tools, computers have revolutionized the way we live and work. Whether it is a personal computer, a supercomputer, a mainframe, or an embedded system, these electronic devices have paved the way for unprecedented advancements and have become an integral part of our modern society.

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