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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.
Q. The flux-density distribution produced in a two - pole synchronous generator by an acexcited field winding is B(θ, t) = B m sin ω 1 t cos θ Find the nature of the armatur
Two single-phase 60-Hz sinusoidal-source generators (with negligible internal impedances) are supplying to a common load of 10 kW at 0.8 power factor lagging. The impedance of the
Q. Design the high-pass filter shown in Figure (by determining C) to have a half-power frequency of 1 MHz.
What is Key bouncing? Mechanical switches are used as keys in lots of the keyboards. When a key is pressed the contact bounce back and forth and settle down only after a littl
what is a mash current theoram
Q. Explain how presentation layer helps in processing and establishing data in End to End layers. Ans: The purpose of presentation layer is to represent information to commu
Q. Show the Process for taking observations by satellite? Sensors are devices to make observations, which have sophisticated mechanism for taking observations. The detectors ar
Production of Rotating Fields from Single-Phase Windings In this subsection we show that a single-phase winding carrying alternating current produces a stationary pulsating flu
connect two given points A and B by a parabolic curve when OA=60mm,OB=80mm and angle AOB=110 degree
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