Consider the following communication technologies :
1. Closed-circuit Television
2. Radio Frequency Identification
3. Wireless Local Area Network
Which of the above are considered Short-Range devices/technologies ?
The correct answer is (D) 1, 2 and 3.
Explanation:
Short Range Devices (SRD) are radio devices that offer a low risk of interference with other radio services, usually because their transmitted power, and hence their range is low. The definition 'Short Range Device' may be applied to many different types of wireless equipment, including various forms of closed-circuit television (CCTV), radio frequency identification (RFID), and local area networks.
हिंदी में प्रश्न एवं आदर्श उत्तर
निम्नलिखित संचार प्रौद्योगिकियों पर विचार कीजिए :
1. निकट-परिपथ (क्लोज़-सर्किट) टेलीविज़न
2. रेडियो आवृत्ति अभिनिर्धारण
3. बेतार स्थानीय क्षेत्र नेटवर्क
उपर्युक्त में कौन-सी लघु-परास युक्तियाँ/प्रौद्योगिकियाँ मानी जाती हैं ?
सही उत्तर (D) 1, 2 and 3 है।
व्याख्या:
Short Range Devices (SRD) are radio devices that offer a low risk of interference with other radio services, usually because their transmitted power, and hence their range is low. The definition 'Short Range Device' may be applied to many different types of wireless equipment, including various forms of closed-circuit television (CCTV), radio frequency identification (RFID), and local area networks.