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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.
advantages of superposition theorem
Q. What do you mean by Companding? Companding is the process of compressing and expanding. It comprises compressing the signal at the transmitter and expanding it at the receiv
Determine Potential Difference: Compute the current through each element of the given network and also determine potential difference across 15 Ω resistor. Figure
Explain Thermoplastic materials. Thermoplastic materials: The properties of such plastic materials do not change considerably when they are melted and after that cooled and s
Holes are majority carriers in (A) P-type semiconductors. (B) N-type semiconductors. (C) Insulators. (D) Superconductors. Ans: Holes are m
Filtering (i) Write an m-file "mymedian.m" which will take an image and filter size and perform median filtering. Display input and output image. Use help median fun
Determine the voltage across the 20- resistor in the following circuit of Figure (a) with the application of superposition.
A circular ring of magnetic material has a mean length of 1m and a cross sectional area of .001m^2.A sawcut of 5mm width is made in the ring . calculate the magnetizing current req
Parity flag - Registers If after any arithmetical or logical operation if number of the accumulator are even parity flag (P) is set otherwise reset.
Consumer Interaction and Service Standards These KPIs deal along with the customer, internal business procedures and change management. These are significant to give the desir
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