Types of Multiplexing Techniques for NET, IAS, State-SET (KSET, WBSET, MPSET, etc.), GATE, CUET, Olympiads etc. 2023
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Complete Video at – Types of Multiplexing Techniques: FDM WDM and TDM (Computer Science)
Topics
FDM (Frequency Division Multiplexing)
WDM (Wavelength Division Multiplexing)
TDM (Time Division Multiplexing)
a. Synchronuous TDM
b. Asynchronuous TDM
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FDM
- FDM stand for Frequency Division Multiplexing Technique.
- In FDM, different frequencies will be combined as the one frequency and transmitted in the channel and at the receiver end again it will be separated as it was.
- It is totally based upon the frequency combining and division
Working of FDM
WDM
- WDM stands for wavelength Division Multiplexing Technique.
- It multiplexes the optical carrier signals into a single optical fibre signal and transmit it further to the channel.
- It is widely used in SONET (Synchronous Optical Network) with high efficiency.
- The best example of WDM is prism through which lights gets scattered into multiple colours.
Working of WDM
TDM
- It stands for Time Division Multiplexing Technique of Multiplexing.
- Each frame or packet of data will be allotted the time slot.
- It transmits the digital signals over the transmission network.
- It is used for high speed transmission
- It can be of two types:
- Synchronous TDM (with common clock signal sharing)
- Asynchronous TDM (without sharing common clock)
MCQ
Q1. Which type of multiplexing technique is used in SONET?
Options:
A. Asynchronous TDM
B. FDM
C. WDM
D. Synchronous TDM
Answer: C
Q2. SONET is:
Options:
- Synchronous Optical Network
- Simultaneous Optical Network
- Synchronous Optimized Network
- Structural Optical Network
Answer: A
- We learnt about:
#Frequency Division Multiplexing
# Wavelength Division Multiplexing
# Time Division Multiplexing
# Synchronous Time Division Multiplexing
# Asynchronous Time Division Multiplexing
✍ Mayank