Computer Science · Input and Output Devices
पॉइंट-ऑफ-सेल (POS) डेटा रिकॉर्डिंग के लिए आमतौर पर उपयोग किया जाने वाला बारकोड रीडर (Barcode Reader) किस प्रकार का डिवाइस है?
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