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5 Examples of Main components of a computer and their function

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In this blogpost you will learn What is computer? and its main components of a computer

What is Computer

Computer is an electronic machine that can process data and convert it into information.The process of converting data into information is called data processing.

Birth of Modern (Digital )Computer

The Atanasoff–Berry computer, or ABC, was the first contemporary electronic digital computer.

It was created in 1942 at Iowa State College, now known as Iowa State University, by physics Professor John Vincent Atanasoff and his doctoral student Clifford Berry.

You can learn more about history of computer

components of a computer

Main Components of a Computer 

There are two main components of computer 

  • Computer Hardware
  • Computer Software

Computer Hardware

The physical parts of a computer are called hardware.We can touch, see, and feel hardware.

  • Examples: input and output devices (such as a keyboard, mouse, printer, monitor, etc.), CPU, memory unit, etc.

The following  are the main component of computer Hardware

Computer Processor(CPU)

The brain of the computer . All the working of Computer is controlled by this mini electronic chip.

CPU can be divided into two main parts

  • ALU(Arithmetic and Logical Unit)
  • CU(Control Unit)

You can learn more about cpu and how it works.

What is Input?

In computers the input is defined as the process of giving something to the computer is called input. Various devices are used to input data to computers like keyboard, mouse, mike etc.

You can learn more about what input devices are and their various functions.

  • Keyboard
  • Mouse
  • Mike 
  • Camera

These devices are more common input devices . You can learn about from here

what is output in computer 

A hardware component which is used to receive the output from the computer is called an output device.

It takes information from a computer and converts it in a form that a user can understand.

Output devices

  • Monitors
  • Printers
  • Plotters
  • Speakers

You can learn more about what is output and output devices.

Storage Devices

Devices that are used to store information called storage devices

Primary storage

Secondary Storage 

You can learn more about What are  Storage devices and how they work

What is Computer Software

Computer software is defined the set of instruction given to it to perform a specific task called  software

A set of well defined set of instruction that instruct a computer to do something is called software

Software can be broadly divided into two different categories

  • System Software
  • Application Software
types of software

 System Software

The software which controls and manages different operations of a computer system is called system software

Application Software

A program or set of programs that are specially designed to perform a specific task or to solve a specific problem is called application software

Difference between Computer Hardware and Software

Computer HardwareComputer Software
Hardware are the physical components of the computerSoftware is a set of instructions given to the computer.
We can touch, and see the hardware.We cannot touch, and see the software.
Hardware is constructed using physical materials or components.Software is developed by writing instructions in programming language
Hardware is not affected by computer viruses.Software is affected by computer viruses.
User cannot make new duplicate copies of the hardwareUser can make many new duplicate copies of the software
If hardware is damaged, it is replaced with new oneIf software is damaged or corrupted, its backup copy can be reinstalled

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