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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.
Why Monitoring and control done? Monitoring and control using microprocessors/computers is often done for the below reasons: - It is safer (faster response to non-standar
The following four output displays of an oscilloscope (right hand side, below) show waveforms of a biased diode ac circuit. An example is illustrated on the left hand side. VIN is
what is the conductive material property''s?
8085 is a one address microprocessor. In 8085 interrupts are classified by hardware and software interupts.
Q. A balanced delta-connected load has a per-phase impedance of 45 60° . It is connected to a three-phase, 208-V, 60-Hz supply by a three- phase feeder that has a per-phase impeda
special function register
Design a MOD-6 synchronous counter using J-K Flip-Flops.
Why is the signal first attenuated and then amplified?
Q. A beam containing two types of charged particles is moving from A to B. Particles of type I with charge +3q, and those of type II with charge -2q (where -q is the charge of an e
Q. Consider a BJT switch connected to the next stage, as shown in Figure, in which iout is likely to be negative when v out is high. Assume V CC = 5 V, R C = 1k, and the high r
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