UPSC PRELIMS · GEOGRAPHY · COMMUNICATION TECHNOLOGIES
Consider the following communication technologies: 1. Closed-circuit Television 2. Radio Frequency Identification 3. Wireless Local Area Network. Which of the above are considered communication Short-Range devices/technologies?
Take a breath. Choose one. Press A–D on your keyboard if you like.
EXPLANATION
CCTV, RFID and WLAN all operate over comparatively short ranges in their typical applications.
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