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Data Communication
1. Write short notes on:
a. Sky wave propagationb. Line of sight propagation
2. List and describe the different types of errors that occur during data transmission.
3. What is the concept of multiplexing. Explain about Frequency-division multiplexing.
4. Illustrate Code-Division Multiple Access (CDMA).
5. Define topology? Explain the types of LAN topologies.
6. Briefly write short notes on IEEE 802.1Q VLAN standard.
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Define Serial In - Parallel Out Shift Registers? For this type of register data bits are entered serially in the same manner as discussed in the last section and the difference
how double diffraction occur at the surface
Q. What is permeability of magnetic material? For magnetic material media, the magnetic flux density B, expressed in tesla (T) or Wb/m 2 , and the field intensity H, expressed
Merits and Demerits of Stepper Motor Followings are the merits and demerits of stepper motors. Merits : a.They are compatible with digital systems b.For the co
What is independent bus request scheme? Each of the master's needs a pair of request and grant pins which are connected to the controlling logic. The busy line is common for al
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Q. Explain Inductorless Filters Inductorless (Active) Filters Filters (used to pass or eliminate certain frequency components of a signal) that are suitable for IC fabricati
Question: a) Describe five advantages of LED lighting over conventional incandescent lighting. b) State two impairments that reduces the radiant flux of a surface-emitting
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