Computer Quiz NimnLikhit Me Se Kis Sanchar Madhyam Ke Liye " Line - of - vision " Ki Aavashyakta Hoti Hai ?

निम्नलिखित में से किस संचार माध्यम के लिए "लाइन-ऑफ़-विज़न" की आवश्यकता होती है? - Which of the following communication medium requires "line-of-sight"? - NimnLikhit Me Se Kis Sanchar Madhyam Ke Liye " Line - of - vision " Ki Aavashyakta Hoti Hai ?  Computer Quiz in hindi,    question answers in hindi pdf   questions in hindi, Know About Computer Quiz online test Computer Quiz MCQS Online Coaching in hindi quiz book