What is Computer Hardware and how many types are there?

Do you know what is Computer Hardware? If you have come looking for these questions, then you are at the right place. You will know that a computer mainly has two parts, one is Software and the other is Hardware. Software which is also called Computer Program. Software that you use everyday in your mobile and computer. EX-VLC, Chrome, Internet Explorer, MS-WORD, MS-POWERPOINT, Photoshop, pdf reader and Operating System (Android, Windows, MAC, UNIX) of Software.

Have you ever thought, all these "Software is nothing without hardware". Think about how you would write in MS-WORD without keyboard. Cannot edit in Photoshop without a mouse. If you do not store pdf book in hard disk somewhere, then how will you read from Adobe Reader. So Sayid, I understand you a little bit. Keyboard, Mouse, Hard disk, Monitor, Motherboard, CPU, UPS, Speaker are all hardware.

Without Bina Hardware, we can never even think about computer's image. Let us now know in detail what is computer hardware.

What is hardware? Hardware is also known as HW or H / W. That is the part of HW Computer that we can see and touch. If we describe fully, then it is the Physical Component of the Computer, and this Component consists of circuit boards, ICs, and other electronics. This is a full-fledged example, whatever you are reading my article on the screen, it can be from any of the screen computer, tablet, mobile. All the Input, Output, Processing and Storage devices in a computer are all one HW.

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Without any hardware, your computer does not exist, and without it you cannot use any software. If SW is the soul of a computer, then your body is the hardware of the computer. But in reality we use software to get hardware to do anything.

If you want to listen to a song in Computer, it is not that you will speak on Computer and the song will be played. For this, when you Paly perform the song in Windows Media Player or VLC (both of them are software), then that speaker will play that song on PLAY. Meaning hw is controlled via sw.

Types of Hardware

You must have seen two types of system 1. Laptop 2. Desktop. All the physical components of the laptop are connected. But the components of desktop come different. But hw are almost alike in both. Let us know about these hardware types and examples.

Keyboard

This is an input device. Without this hardware, even some data cannot be entered in the computer. With this help, we can do all the writing work of Computer. What you are reading now is also written with this keyboard. You can also see and touch this electronics devices. This is one of the most used devices. There are also other Hw components inside it. This device is plugged into a USB port.

Mouse

It is also known as pointing device and Cursor Moving Device. A Mouse can have 2 or 3 buttons. Like right, left, and middle button (Left key, Right key, Middle key Roller). They are all one HW. The mouse is placed on the Flat Surface or Mouse Pad. It is used to control the Cursor.

Scanner

This is the outward HW of a computer. Written papers and pictures can be stored in memory by converting them into digital pictures using a scanner. Documents can also be scanned and stored in the computer through the scanner. This is called Extenal H / W.

Monitor

A computer monitor is an electronic device that is used to display the output in some computers. It looks just like a T.V. A large and fine display resolution shows us the best picture. It is of small size in Hardware LAPTOP and slightly larger in Desktop.

CRT Monitor: - They are heavy and large and use a lot of deskspace and electricity. This is the oldest used technology. It is based on cathode ray tube technology which was made for television. But these monitors do not work today.

LCD Monitor: - There is a kind of flat panel display. This is a newer technology than CRT. These monitors use less desk space. It weighs less. These monitors use less electricity. These monitors have been used for a long time on laptops and notebook computers, they also work as touchscreens on tablet computers, mobile phones.

Speaker

This is also External Hardware. With its use, we can hear the sound. It outputs as sound. Nowadays it remains inbuilt in the system.

Printer

External HW. Printer is an output device which prints the information received from the computer on paper. This copy of the output on paper is called hard copy. The output of information from the computer gets very fast and the printer is not able to work so fast. Hence the need was felt that information can be stored in the printer itself, so the printer also has a memory from where it prints the results slowly.

Motherboard

This hw is the core of the computer. To see itA. You need to open the computer. This is a board called PCB (Printed Circuit Board). It holds different components of the board computer. And all those components are CPU, RAM, Hard Disk, smps port, Graphics card.