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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.
input impedence
What is I/O mapping? The assignment of addresses to various I/O devices in the memory chip is known as I/O mapping.
Describe hall effect?also describe it''s mathematical analysis and it''s properties
what is the daily life work of triac
Q. Explain phase-shift keying? In PSK, the phase angle of a carrier is keyed between two values. When the values are separated by π radians, it is known as phase-reversal keyin
Explain how a p-n junction functions as a rectifier
Structure of Bipolar junction transistor: A BJT contains three differently doped semiconductor regions that are: emitter region, base region and collector region. These regio
what are the dwarbacks of clipper?
Q. What are transistor amplifiers? What is meant by efficiency of an amplifier? What is amplifier coupling? The AMPLIFIER is a device that enables an input signal to control an
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