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slava [35]
3 years ago
13

What the difference between barcode reader and biometric input device ​

Computers and Technology
1 answer:
Strike441 [17]3 years ago
4 0

The main difference between a barcode reader and a biometric input device is that; a barcode reader is to validate barcodes while a biometric device is to validate the identity of human beings.

<h3>What are input devices?</h3>

A barcode reader is an optical scanner that is an input device that can read printed barcodes, decode the data that are in the barcodes and send the data to a computer.

Meanwhile a biometric input device is a security identification and authentication device that make use of automated methods to verify, identify the validity of a living person based on a physiological or behavioral characteristic through fingerprints, facial images e.t.c

Now the main difference between both is that a barcode reader is to validate barcodes while a biometric device is to validate the identity of human beings.

Read more about input devices at; brainly.com/question/1245638?source=archive

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// CPP program to Convert characters  

// of a string to opposite case  

#include<iostream>  

using namespace std;  

// Function to convert characters  

// of a string to opposite case  

void convertOpposite(string &str)  

{  

int ln = str.length();  

 

// Conversion according to ASCII values  

for (int i=0; i<ln; i++)  

{  

 if (str[i]>='a' && str[i]<='z')  

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  str[i] = str[i] - 32;  

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}  

}  

// Driver function  

int main()  

{  

string str = "GeEkSfOrGeEkS";  

 

// Calling the Function  

convertOpposite(str);  

 

cout << str;  

return 0;  

}  

Explanation:

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