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1. Compute the signal-to-quantization-noise ratio SQNR of a sound file represented with 16 bits per sample.
2. We need to send 720kbps over a noiseless channel with a bandwidth of 120 kHz. How many signal levels do we need?
3. Convert the air pressure amplitude 190 N/m2 into decibels (dB_SPL).
4. Convert a color pixel with RGB values (70, 120, 110) to its corresponding gray level value.
5. Compute the DBFS equivalent of a 12 bit sample value of 3800.
Think of an example of misfit caused by an inappropriate organization design. Explain how a firm's structure could systematically increase its costs and place it at a strategic disadvantage.
The electric motor in a street car develops a power output of80 hp at 1200 rpm as the vehicle moves up a hill at a speed of 30mph. Assume the gearing losses are negligible, calculate: (a) The torque developed by the motor.
Tuning methods for PID controllers, Investigating tuning methods for PID controllers of 2nd order and 3rd order control systems. Eg. Zieglar Nichols, etc
Sketch the local resistance of the channel (per unit length) as a function of x.
An experiment consists of tossing a fair coin four times in succession. What are the possible outcomes Now count up the number of outcomes with three heads. If the outcomes are equally probable, what is the probability of three heads
Assume that three capacitors with values of 5 µF, 12 µF, and 22 µF are connected in parallel. What is the total capacitance of the circuit?
Design a one input, one output serial 2's complementer. The circuit accepts a string of bits from the input and generates the2's complement at the output. The circuit can be resetasynchronously to start and end the operation.
a 2n5640 has a gate current of 1ua when the reverse voltage is -20v and the ambient temperature is 100 degees c. what
Consider a Si p-n junction at room temperature. If the doping concentrations are NA=1016 cm-3 and ND=1015 cm-3, what is the depletion width also known as space charge width. Also find the maximum electric field.
A two plate capacitor has a value of 47 nF. If the plate area was doubled and the thickness of the dielectric was halved, what then would be the capacitance?
Two metal plates with an area of 4 cm2 and separation distance of 0.01 cm are used to form a capacitance transducer. If the material between the two plates has a dielectric constant of 2.5 and the dielectric constant of free space is 8.85 pF/m
What are the commonly used input and output ports in a computer system? Briefly describe the applications of each one of them.
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