Fundamentals of computer for class 3

What are the 3 fundamentals of computing?
In order to carry out its operations, a computer system is divided into three separate units.
They are: .
1. Arithmetic logical unit,
2. Control unit, and
3. Central processing unit.
What are the fundamentals of a computer?
Computer fundamentals refers to the basics of using digital devices such as computers, smart phones and tablets. “Computer” used to only refer to the basics of using a computer and associated devices; however, it has since expanded to include most frequently-used digital devices..
Ans.
A computer is an electronic device which has several parts connected together and works like a single unit.
These parts are monitor, CPU, keyboard and mouse.
Computers are used in factories to control how things are made and in offices to keep records.
People also use computers for sending e-mail, writing reports, shopping, banking, listening to music, and playing games.
The Internet, which is a huge network of linked computers, provides information from all over the world.
How does a computer works? Ans.
A computer has a three-step work cycle- Input-Process-Output.
It receives an input, process data and gives output.

What are the 3 fundamentals of computing?