Hello everyone , in this blog we will going to learn about input devices of computer . Before going to learn about input devices , we should have a brief knowledge about input device . lets begin .
What is an input device ? 😕
So friends , input devices are the peice of hardware which is used to send the data and control signal to the computer . OR we can also say , Input devies are peice of hardware which enables the user that they can send data , information and control signal to a system like computer . Many of input devices are connected with the system using cables .
Although there are a lots of input devices , but in this blog we will see few of them which are most commonly used and important .
Examples of input devices :- Keyboard , Mouse , Scanner , Microphone , joystick , digital camera , light pen etc.....
KEYBOARD :-
Keyboard is the one of the very main part and very popular device of computer which helps the computer to take data from user as input . There are two type of keyboard are available for windows and internet . One have size 84 keys and other one 104/108 keys . There are so many keys present in computer which are categorized in several parts -
- Function keys
- Control keys
- Arrow keys
- Space bar
- cursor movement key
- Modifier keys
- Escape key
- Alphanumeric key
- Some Special Key etc...........
Ok , but what is difference between keyboard in laptop and keyboard in desktop ? 😕
The only main difference is , in computer , keyboard are connected through USB or bluetooth . And in laptop it is internally embeded or set in it .
MOUSE :-
Mouse is an input device which allows the user to select elements on the screen like tools , icons and buttons . It can be wireless or wired . It consists of two buttons and a moving ball present in middle of these buttons . It is also known as pointing device .
Left button --> used to select an element
Right button --> Display the special options like open , explore , copy , paste , new etc.......
Moving ball --> used to scroll the cursor up and down on the screen
Mouse can be able to use easily than the arrow key of keyboard . It is very less expensive .
SCANNER :--
A scanner is an input device which is used to convert documents and images in a way , which are understandable by the computer system i.e digitalized file . It is used like a photocopy machine . There are following type of scanner available now :-
- Flatbed Scanner
- Drum Scanner
- Slide Scanner
- Handheld Scanner
MICROPHONE :-
Microphone is an input device which are used to store sound as input and store it in a digital form . There are lots of place where microphone is comes in use like school program , function , ceremany etc....
Thank you all ,
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