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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.
Q. Show the familiar electric sources? Batteries and ac outlets are the familiar electric sources. These are voltage sources.An ideal voltage source is one whose terminal volta
Ans) A program runs on one machine and implements on another is known as cross-compiler Programs which compile on One Machine and implements on another machine is known cross
Q. 10-kVA, 4800:240-V, 60-Hz, single-phase transformer has an equivalent series impedance of 120 + j300 referred to the primary high- voltage side. The exciting current of the tr
What are the main embedded system components? Main Embedded System Components a. Embeds hardware to provide computer as functionalities b. Embeds major application softw
Consider the arrangement shown in Figure. A conductor bar of length l is free to move along a pair of conducting rails. The bar is driven by an external force at a constant velocit
Q. What is Stored Program Control ? Stored Program Control:Modern digital computers use stored programmed concept. Here, a program or a set of instructions to the computer is s
Q. An n-channel JFET is given to have V P = 3V and I DSS = 6 mA. (a) Find the smallest value of v DS when v GS =-2 V if the operation is to be in the active region. (b) D
.
A 3-kVA, 220:110-V, 60-Hz, single-phase transformer yields these test data: • Open-circuit test: 200 V, 1.4 A, 50 W • Short-circuit test: 4.5 V, 13.64 A, 30 W Determine th
Q. Give a block diagram for amodulo-5 binary ripple counter using JKFFs and draw its timing diagram.
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