why digital signals are preferred over analog in com?

Answers were Sorted based on User's Feedback



why digital signals are preferred over analog in com?..

Answer / rinkesh

because in the digital communication there are only two
voltage levels are used to communicate(to transfer or to
receive the signal), that are high voltage(1) and low voltage
(0). And easier to control the devices used in this type of
communication system.

Is This Answer Correct ?    13 Yes 5 No

why digital signals are preferred over analog in com?..

Answer / ravi kumar

In digital signals, there are the signals in the form of 0
and 1 . so if any unauthorised user access the information
then can't understand the information.so for security
purpose, this technique is used rather then analog
technique.

Is This Answer Correct ?    14 Yes 6 No

why digital signals are preferred over analog in com?..

Answer / preeti kumari(college of bio-m

1)almost all electronic devices use digital signals,because they remain accurate in shape and amplitude.2)transmission is at a higher rate and with a wider broadband width.3)it enables multi-directional transmission simultaneously.4)there is minimal electromagnetic interference in digital technology

Is This Answer Correct ?    7 Yes 2 No

why digital signals are preferred over analog in com?..

Answer / pavithranagamani

Digital signals have only two levels such as binary 0 and 1.so if noise is interfered,then it can be easily detected and recovered.Thus the error recovery is greatly utilised.But in analog signal,the signal has various voltage level at various time.

Is This Answer Correct ?    1 Yes 1 No

why digital signals are preferred over analog in com?..

Answer / peter jensen

My business is camera stabilizers for motion picture cameras.

We use analogue servo systems because the analogue servo loop is much smoother and stability is much better than digital servo systems. Operating a high performance analogue servo stabilizer (panning/tilting/rolling the camera) is smoother, powerful and trouble-free.

Is This Answer Correct ?    0 Yes 0 No

why digital signals are preferred over analog in com?..

Answer / mahendra

In the nature we r having all the signals in analog form and
some of these signals can not processed in the digital
systems.so,,we convert these analog signals into digital
signals and preferred.

Is This Answer Correct ?    3 Yes 5 No

why digital signals are preferred over analog in com?..

Answer / bala kumar

simple thing is it is easier to control than analog and it also offers less room for noise..
so the signal transmitted is more accurate..

Is This Answer Correct ?    0 Yes 3 No

Post New Answer

More Electronics Communications Interview Questions

sir,did u send me hpcl syllabus for engg. disiplience & previous year

0 Answers  


full form of virus?

2 Answers   NSN,


What is op-amp?

0 Answers  


define why diodes are not operated in the breakdown region in rectifiers?

0 Answers  


SIR,i am applying for the jr.engineer(signal)post.kindly if you send some previos sample question -answer i will be higly obliged

0 Answers  






due to the usage of mobile phones which animal can not live in this universe and why....

1 Answers   DELL,


What is the E1 & OmuSig?

0 Answers   NSN,


please explain the meaning of "In GSM only 30 or 35 peoples can call at at time in a singal carrier but In CDMA apprx 70 peoples can call in a singal carrier at a time."..........

0 Answers  


Components that use negative dc voltage

0 Answers  


Difference between mobile and a cell phone.

0 Answers  


You Are Fresher?Wana Start Your Carrer In Intelli Group Hyderabad Only possible via Niteo IT Consultant...

2 Answers  


What is the function of BIU?

9 Answers   TCS,


Categories
  • Civil Engineering Interview Questions Civil Engineering (5085)
  • Mechanical Engineering Interview Questions Mechanical Engineering (4451)
  • Electrical Engineering Interview Questions Electrical Engineering (16632)
  • Electronics Communications Interview Questions Electronics Communications (3918)
  • Chemical Engineering Interview Questions Chemical Engineering (1095)
  • Aeronautical Engineering Interview Questions Aeronautical Engineering (239)
  • Bio Engineering Interview Questions Bio Engineering (96)
  • Metallurgy Interview Questions Metallurgy (361)
  • Industrial Engineering Interview Questions Industrial Engineering (259)
  • Instrumentation Interview Questions Instrumentation (3014)
  • Automobile Engineering Interview Questions Automobile Engineering (332)
  • Mechatronics Engineering Interview Questions Mechatronics Engineering (97)
  • Marine Engineering Interview Questions Marine Engineering (124)
  • Power Plant Engineering Interview Questions Power Plant Engineering (172)
  • Textile Engineering Interview Questions Textile Engineering (575)
  • Production Engineering Interview Questions Production Engineering (25)
  • Satellite Systems Engineering Interview Questions Satellite Systems Engineering (106)
  • Engineering AllOther Interview Questions Engineering AllOther (1379)