total 26 questions
20 MCQS 6 subjectives
Q.1 define bit rate?(2)
Q.2 discuss anyone of following (5)
EIA449
EIA530
RS422 BALANCED MODE
Q.3 calculate the bandwidth (5)
if the frequences range from 100, 300 500, 700 and 900?
Q.4 why we need Null modem ?(3)
Q.5 digital to digital conversion ?(3)
Q.6 bandwidth of FSK?(2)
thanks\
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