Computer Hardware

Dear Friends,

Today we will learn some basic information about Computer Hardware, As we are using computer on our daily basis so it is important to know the various hardware used in computer, so in today article we will learn basic about computer hardware.

What is hardware?

A parts of computer that we can see and touch and can repair, is called Computer Hardware.

Example: Keyboard, Mouse, Printer, Monitor

What is Software?

A part of computer that we can see but can not touch is called computer software.

Example: Window 10, MS Paint, Notepad, Paint

Based on the function, we can divided hardware in four types

Types of hardware

  • Input Device
  • Output Device
  • Processing Device
  • Storage Device

Input Device

To enter some data on computer we are using input device.

Following are the input devices:

  • Keyboard
  • Mouse
  • Joystick
  • Scanner
  • OMR
  • OCR
  • Web camera and so on

Output Device

Based on the input the computer do process and generate output that shows on the output device.

Following are the output device

  • Monitor
  • Plotter
  • Printer
  • Speaker
  • Projector
  • Headphone and so on

Storage  Device

Those device used to store the data is called storage device.

Following are the storage device

  • CD, DVD
  • Pen Drive
  • Floppy Disk
  • Hard Disk (HDD)
  • Flash Drive
  • Cloud storage and so on

Processing Device

The main part of the computer is CPU.

CPU is doing all the process on the computer, that’s why CPU called Central Processing Unit.

GPU is also used for Graphical Processing Unit.

CPU is called Brain of the computer

Main part of the CPU are:

  • ALU (Arithmetic Logical Unit)
  • MU (Memory Unit)
  • CU (Control Unit)

Motherboard is the main circuit of computer that connect all the parts of the computer.

The first micro processor developed by Intel

In year 1971 and the name is ‘Intel 4004’.

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