An additional device that connects to a computer or system to provide functionality.

Peripheral equipment that is not integrated into a system.

एक प्रणाली में एकीकृत नहीं है ऐसा बाह्य उपकरण।

English Usage: He purchased an external device for data backup purposes.

Hindi Usage: उसने डेटा बैकअप के लिए एक बाह्य उपकरण खरीदा।