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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.
purpose of sheilding
Q. For the circuit of Figure, determine and sketch i L (t) and vC(t) for inductance values of (a)3/4 H, (b) 2/3 H, and (c) 3/17 H. Note that the inductance values are chosen her
SPHL Load Stack pointer with HL Instruction This instruction copies the contents of HL register pair the stack pointer register. The instruction format is S
why we are going to realization of digital filter after finding the H(z).
working principle of crtand block diagram of cro
Q. Explain about Differentiator? Shown in Figure is a differentiator which is obtained by replacing R1 in the inverting amplifier of Figure by a capacitor C. Assuming ideal op-
Q. Write a note on the application of emitter-follower? An emitter follower can serve as a buffer for a voltage source. The voltage divider at left is a poor voltage source bec
Q. Show how a 16-to-1 multiplexer can be used to implement the logic function described by the following truth table.
Low Pressure Gas Hazards : Safety screens and wire-mesh guards should be placed round evacuated glassware and safety goggles or a face shield must be worn against the possibility
Q. Block schematic diagram of SS7? Levels are as below: Level 1: The Physical Layer Level 2: The Data Link Level Level 3: The signaling network level Level 4: The User Pa
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