What is Computer? Explain

 

What Does Computer Mean?

A computer is a machine or device that performs processes, calculations and operations based on instructions provided by a software or hardware program. It has the ability to accept data (input), process it, and then produce outputs.

Computers can also store data for later uses in appropriate storage devices, and retrieve whenever it is necessary.

Modern computers are electronic devices used for a variety of purposes ranging from browsing the web, writing documents, editing videos, creating applications, playing video games, etc.

They are designed to execute applications and provide a variety of solutions by combining integrated hardware and software components.

A computer is made up of multiple parts and components that facilitate user functionality.

A computer has two primary categories:

Hardware 

Physical structure that houses a computer's processor, memory, storage, communication ports and peripheral devices. Each of these components (called devices) have a different purpose, which may be either accepting inputs, storing data or sending outputs.

For example, a mouse and a microphone are input devices used to record user activities and transform them into data that is transmitted to the system unit. A hard disk is a storage unit where data is stored and accessed by other devices.

Usually, the core components that represent the bare minimum that allow a computer to function are work.

Processor (CPU)

The component that processes and executes inputs received from hardware and software.

Motherboard

A mainboard that provides basic connection between all the other hardware components and devices (internal and external).

Memory (RAM)

A temporary data storage space that stores the information the CPU is actively using.

Storage device

A storage device where data is stored on a permanent basis. It’s slower but less volatile than the RAM.

Power supply unit

That’s pretty self-explanatory: without power, no electronic device can work.

Software

All parts of a computer that are not strictly physical, such as data, programs, applications, protocols, etc., are broadly defined as “software.” Although software has no material form, it is no less critical to receive information, encode, store and process it.

Computer software includes all executable and non-executable data, such as documents, digital media, libraries, and online information. A computer’s operating system (OS) and all its applications are software as well.

A computer works with software programs that are sent to its underlying hardware architecture for reading, interpretation and execution.