Example for input device full definition

Many of you may know that example for input device, but there are many for whom this term is completely new. Here I am talking about some external parts of computer. These are some parts of computers, which we help in giving and removing data.

Everyone is using Laptop and Desktop nowadays. Without computer in this digital world, it has become impossible to do anything. You must be aware that many devices are used in Laptop and Desktop. With which you can operate and control the computer very easily. One of them is the input device which has made our work very easy. So in today’s article, we know from bed what is an input device.

What is example for input device

example for input device

Input Device is an electronic device. It is a part of Computer. Input anything into a computer or personal computer through any device. It is called Input device. Some examples of this are Keyboard, Mouse, Scanner, microphone, Light Pen. From all these put devices, we do some input inside the computer.

This is a hardware through which we interact with the computer and control it. Like selecting different Icon from Mouse, selecting Option. Similarly, we input the text through the keyboard and operate the laptop with the arrorw key.

With its help, we are able to get the computer to do all the work. It connects the human-world to the computer-world. With their help, we give Instruction to Computer, and understand Computer Instruction takes some action. Now below are example for input device, understand them well.

types of input devices

Types of input devices


This is the most prominent input device. With the help of this, we can do all the work of computer writing. This is one of the most used devices. With its help, we can write anything. What you are reading now is also written with this keyboard.

We use it for sending emails, sending messages, online transfer, online shopping and other things. In all these things, we need a keyboard.

Keys and Description
Typing Keys (Writing Keys)

These are the keys we use to write something in computer. Like (A-Z) and (a-z).
Numeric Key (Keys with Number)
You can write numbers from these keys like (0,1,2,3,4,5,6,7,8,9)

Function keys

These are the 12 keys in the computer, which remain in the same line above the keyboard. F1, F2, F3, F4, F5, F6, F7, F8, F9, F10, F11, F12. Each function key is used for different functions.

Control keys and arrow keys

These keys are used to control Cursor and Screen. Such as Arrow or Directional keys, which are used to move the cursor up, down, right, left. Control keys are used to make the screen control and shortcut key. EX-Home, End, Insert, Delete, Page Up, Page Down and Ctrl (Control),
Alternate (Alt), Escape (Esc).
Ctrl + c is done to copy. Ctrl + x to cut.

Special Purpose Keys

These are the keys to do some special work with the keyboard like Enter, Shift, Caps Lock, Num Lock, Spacebar, Tab, and Print Screen. Every key has a special Purpose.


It is also known as pointing device and Cursor Moving Device. A Mouse can have 2 or 3 buttons. Like Left, Right and Middle button (Left key, Right key, Middle key Roller). The use of this Mouse has increased the importance of Graphical User Interface in Computer. The mouse is placed on the Flat Surface or Mouse Pad. It is used to control Cursor.

Left Key

In Computer Screen, some Icons are used to select and open File, Folders. When pressing the Left key once, it is called Left Click.

Right Key-

Pressing the right key opens the Sub Menu in the screen. The process of pressing the right key is called Right Click.

Middle Button-

The screen is used to scroll upwards. Scroll Button says.

What is computer Hardware

How does it work

A rubber ball or Laser Light is attached below it. When the mouse is moved on a surface, the rubber ball rotates or laser light moves. His speed and direction monitor is converted to the speed and direction of the mouse pointer, this is how the mouse works.

Joystick: –

Joystick is an input device. Works like a trackball. It consists of two balls. A stick is attached to the balls so that the ball can be easily rotated. It is used in playing video games, CAD design and simulator training etc. When we move it in the left, it moves in and out of the right. The top ball is used for Direction and the inside ball moves in the socket.

Light Pen: –

Its shape is like a pen. It is a printing device and pointing device. With its help, it can be written on the computer screen. The picture can be drawn, the bar code can be read.
Inside the small tube of this pen, the photocell and optical system exist.

How does work

When the Light Pen is moved above the screen and the Pen Button is pressed. Then Photocell detects the location of the screen and sends the Corresponding Signal of that location to the CPU. Something like this works.

Scanner: –

Written papers and pictures can be stored in memory by converting them into digital images using a scanner. Documents can also be scanned and stored in a computer through a scanner.
Processing by computer can also be done on these digital images. Processing means you can edit a scanned document.

How does it work

Scanner puts a shining light on the document. The light reflecting hok creates an image of a document and it remains in the light photo sensitive element. There is a device named Charged Couple Device It stores the charged light inside the computer by creating a digital image. You can also edit the document before printing.


It is also an Input Device. Converts Souds to Digital Form and stores them. Like you use Audio Recorder and Voice Recorder. Their application is very much Video Recording, these Microphones have contributed a lot in making movies. Receive Sound converts to Digital Signal and also outputs through Speaker.

My attempt was that you know what is example for input device and what are these types. I can give you complete information about them in simple language. This information was important because the world is changing and new technologies are coming everyday. Further input will be done with the modern technology like the keyboard has now become laser and people are wearing the mouse in hand. You can move the cursor with your finger. If there is a mistake in understanding something, then let us know.

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