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Q. Working of Microprocessor Control?
The microprocessor, which has rapidly become a key component in digital control systems, and its associated circuits function as the digital processor. It is often used as a dedicated computer in which the chip itself is programmed to perform specific functions. Digital watches and auto fuel-injection systems are examples. With microprocessor control, not only the same hardware can be used to perform a variety of tasks by reprogramming, but also distributed computation (which results in less expensive and more reliable operation than centralized control) is possible with interconnection and intercommunication of several microprocessors.
Figure shows a block diagram of a microprocessor-controlled dc motor system, in which the controlled process consists of a dc motor, the load, and the power amplifier.
Q. Explain Pulse-Code Modulation? PCM is the simplest and oldest waveform coding scheme for processing an analog signal by sampling, quantizing, and binary encoding. Figure sho
1. A PCM system uses 8 bits per sample and the analog signal is limited to 4.3 kHz. The PCM data is transmitted using (a) BFSK and (b) ASK. Determine the bandwidth required for tra
States Kirchoff's Voltage Law Kirchoff's Voltage Law (KVL) describes in any closed loop in a network, the algebraic sum Figure of the voltage drops (i.e. products of current
Q. What is positive clipper? Give 2 types of its applications ? In the series positive clipper, when the input voltage is positive, the diode does not conduct and acts an open
Whose principle or law states that each point on a wave front may be considered a new wave source? Is it: w) Snell's Law x) Huygen's Principle y) Young's Law z)
What will this voltmeter register when connected to a battery as shown(assume a battery voltage of 6 volt)?
Define ruled surface and surface of revolution. Illustrate in detail B-spline and cubic Bezier surfaces with their important properties.
how can i calculate that is following signal is periodic or not? X[n]= ?_(k=-8)^8¦?{d[n-4k]-d[n-1]-4k]}?
Q. Consider Figure of the weighted differencing amplifier. Let R 3 = R 1 and R 4 = R 2 . Determine the input resistance between terminals a and b of the circuit.
How to convert mechanical energy into electrical energy
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