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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.
atomic absorption theory
Q. For a part of the network shown in Figure, given that i 1 = 4A; i 3 (t) = 5e -t , and i 4 (t) = 10 cos 2t, find v 1 , v 2 , v 3 , v 4 , i 2 , and i 5 .
Difference between bootstrip sweep circuit and Miller sweep circuit
derive transfer function of S= 2.25+j4.5
Transparent latch D flip Flop A typical example of this type of D flop is 7475 shown in figure when CLK connected is enable signal is high and the flip flop is enabled
Design and draw a circuit using the cascade system to operate two cylinders (A and B) which, on the operation of a start valve, produces the sequence A - B + B - A+. The cylinder
Write a control word for counter 1 of 8253 / 8254 that selects the following options: load least significant byte only, mode 5 of operation and binary counting. Then write an ins
power absorbed by each element
Q. An n-channel JFET with A = 300 V, P = 2 V, and I DSS = 10 mA is to be operated in the active mode. Determine i D when v DS = 10 V and v GS =-0.5V.
how to write theory background on practical about this topic.
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