Download Previous Year Diploma Paper of Communication System-II CS-2 5th Semester ECE May 2018 Diploma Solved Paper
Communication System-2 5th Semester ECE May 2018 Diploma Paper
SECTION-A
Q1. a) Fill in the Blanks. 10×1.5=15
a. LRC stands for Longitudinal Redundancy Check.
b. ASCII stands for American Standard Code for Information Interchange.
c. Information can be defined in two forms Digital or analog
d. In TDM frame is divided into Slots.
e. Space division switching requires too many Switches.
f. In communication technology, equalizer is used to compensate for signal loss over long distances.
g. PSK stands for Phase Shift Keying.
h. IC 8251 is a USART Universal Synchronous Asynchronous Receiver Transmitter.
i. A full-duplex modem will allow simultaneous transmission in both the directions.
j. Generally, the medium for FAX communication is Telephonic.
SECTION-B
Q2. Attempt any five questions. 5×6=30
i. Discuss the advantages and disadvantages of digital communication system.
ii. What is Parity? Explain how it detects error.
iii. Compare synchronous and asynchronous transmission.
iv. What is principle of Amplitude Shift keying? How is it generated?
v. Explain the features of modern fax machines.
vi. What is radio telemetry? What are its applications?
vii. List down the various types of Modem and briefly explain them
SECTION-C
Q3. Attempt any three questions. 3×10=30
a. With help of neat Diagram explain coherent Binary FSK transmitter and receiver
b. Explain the USART in detail with diagram
c. Explain Stored program control processor and its application in electronic exchange
d. Write short notes on (any two)
i. Echo suppressors
ii. CRC
iii. Hamming code
e. Explain the following terms (any two)
i. Equalizers
ii. Distortion
iii. Space division switches
LRC stands for Longitudinal Redundancy Check.
ASCII stands for American Standard Code for Information Interchange.
Information can be defined in two forms Digital or analog
In TDM frame is divided into Slots.
Space division switching requires too many Switches.
In communication technology, equalizer is used to compensate for signal loss over long distances.
PSK stands for Phase Shift Keying.
IC 8251 is a USART Universal Synchronous Asynchronous Receiver Transmitter.
A full-duplex modem will allow simultaneous transmission in both the directions.
Generally, the medium for FAX communication is Telephonic.
CS-2 5th Semester ECE May 2018 Diploma Solved Paper Click Here
Advantages and disadvantages of digital communication system.
Parity and how it detects error.
Compare synchronous and asynchronous transmission.
Principle of Amplitude Shift keying
Explain the features of modern fax machines.
Radio telemetry and its applications?
Various types of Modem
CS-2 5th Semester ECE May 2018 Diploma Solved Paper Click Here
Explain coherent Binary FSK transmitter and receiver
USART in detail with diagram
Stored program control processor and its application in electronic exchange
Echo suppressors
Hamming code
Distortion
iii. Space division switches
Space division switches
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