MCQ ADC - MCQ PDF

Preview

Summary

MCQ...

Description

1. I nDPSKt echni que,t het echni queusedt oencodebi t si s a.AMI b.Di ffer ent i alcode c.Unipol arRZf or mat d.Manc hes t erf or mat

2. I nMSK,t hedi ffer encebet weent hehi gherandl owerf r equencyi s a.Sameast hebi tr at e b.Hal foft hebi tr at e c.T wi ceoft hebi tr at e d.Fourt i met hebi tr at e 3. Mi ni mum shi f tkeyi ngi ssi mi l art o a.Cont i nuousphasef r equencyshi f tkeyi ng b.Bi nar yphases hi f tk ey i ng c.Bi nar yf r equenc ys hi f tk ey i ng d.QPSK 4. QPSKi samodul at i onschemewher eeachsymbolconsi st sof a.4bi t s b.2bi t s c.1bi t s d.M numberofbi t s ,dependi ngupont her equi r ement 5. Themaxi mum bandwi dt hi soccupi edby a.ASK b.BPSK c.FSK d.Noneoft heabov e 6.I nBi nar yFSK,mar kandspacer espect i vel yr epr esent a.1and0 b.0and1 c.11and00 d.00and11 7. Thebi nar ywavef or m usedt ogener at eBPSKsi gnali sencodedi n a.Bi pol arNRZf or mat b.Manc hes t erc odi ng c.Di ffer ent i alc odi ng d.Noneoft heabov e 8. I nOnOffkeyi ng,t hecar r i ersi gnali st r ansmi t t edwi t hsi gnalval ue' 1'and' 0' i ndi cat es

a.Nocar r i er b.Hal ft hec ar r i erampl i t ude c.Ampl i t udeofmodul at i ngs i gnal d.Noneoft heabov e 9Themodul at i ont echni quesusedt oconver tanal ogsi gnali nt odi gi t alsi gnalar e a.Pul s ec odemodul at i on b.Del t amodul at i on c.Adapt i v edel t amodul at i on d.Al loft heabove 10 I nAdapt i veDel t aModul at i on,t hesl opeer r orr educesand a.Quant i z at i oner r ordec r eas es b.Quant i z at i oner r ori ncr eases c.Quant i z at i oner r orr emai nss ame d.Noneoft heabov e...