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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 is a delay line used in the vertical selection of oscilloscope?
Q. Explain the measurement of frequency in detail by using Wein's bridge. Sol. The Wein's bridge is presented here not only for its use as an AC bridge to measure frequency
explan Two segment and four sagment commutator action
Where 8086 mostly used & tell application of 8086? Ans) 8086 is used for common purpose like it is used in traffic signals for control purpose .It's also used for small applic
PLC ( Programmable Logical Controller ) PLC stand for programmable logical controller. PLC is an industrial computer used to monitor inputs and depending upon their m
coding for vehicle tracking system using gsm in avr atmega16 microcontroller
Q. For the 4-bit D/A converter of Figure with V ref =-5 V, determine the range of analog output voltage and the smallest increment. Ans. The binary input range is from 0
Negative test cases for testing mobile phones are: 1.taking out the SIM card and made a call 2. by invalid phone number 3. Made a call at which there is no tower signa
How do I connect a Capacitor on the machine if it has a start mechanism
A three-phase, 50-hp, 440-V, 60-Hz, four-pole, wound-rotor inductionmotor operates at a slip of 0.03 at full load,with its slip rings short-circuited. The motor is capable of devel
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