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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.
Mention the categories of instruction and give two examples for each category The instructions of 8085 can be categorized into the following five Data transfer MOV Rd,Rs
Q. Three waveforms seen on an oscilloscope are shown in Figure. If the horizontal scale is set to 50 ms per division (500 ms for the entire screen width), and the vertical scale is
Factors Contributing in losses in Transformer Factors contributing towards losses in transformer are: - Oversized transformers operating at low loading: Improper selectio
Q. A transmission line with a dielectric (εr = 3.5) is 100 m long. At a frequency of 10 GHz, how many wavelengths long is the line?
Write shorte note on Carbon. Carbon: The rate of commutator wear in electrical machines is greatly decreased by using brushes made of carbon. Carbon (C) is also used in autom
Q. We have discussed three different color spaces: RGB, HSI and CMY(K). Specify the need for multiple color spaces. Why can we not use only one? Q. A telescope in an observatory
how i make this and how cost of overall
Q. Write down Shockley's equation. What is its importance? I D = I DSS [1-(V GS /V P )]^2 Shockley's equation is used to plot transfer characteristics. The transfer charac
Q. For a 6-bit weighted-resistor D/A converter, if R is the resistor connected to the MSB, find the other resistor values needed, and calculate the maximum analog output voltage, t
Q. Write short note on storage oscilloscopes. Sol. Storage Oscilloscope: The bistable storage tube is between two to ten times slower than a comparable variable persistence
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