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Q 1: A continuous-time system has a response that is the cube of its excitation. Classify the system as to linearity, time-invariance, BIRO stability, causality, and memory.
Q 2: A discrete-time system is described by: ny[n]-8y[n-1]=x[n]. Classify the system as to linearity, time-invariance, BIRO stability, causality and memory.
Q 3. Evaluate the convolution integral y(t) = x1/(t) * x2(t) using the graphical approach where x1(t) and x2(t) are given in the figure below.
Q4. Sketch the waveform of the convolution sum y[t] = x[n] * h[n], where
x[n] = n x (u[n] - u[n-5]) and h[n] = δ[n-1] - δ[n-3].
Digital circuits are not really digital. They areactually analog circuits that are designed to approximate digital functions. i) Explain why digital circuits must allow for a range of analog values in order to represent a binary 1 or 0.
An indecisive student contemplates whether he should stay home ortake his final exam, which is being held 2 miles away. Starting at home, the student travels half the distance to the exam venue before changing his mind.
64-bit ripple-carry adder and a 64-bit carrylookahead adder with 4-bit blocks. Use only two-input gates. Each two-input gate is 15μm2, has a 50 ps delay, and has 20 pF of total gate capacitance. You may assume that the static power is negligible.
Construct a plot ofsilicon resistivity versus impurity concentration at T = 300K.Include curves for both n-type and p-type silicon over the range of10^13/cm^3
What memory modules are needed if the customer wants 1.25GB of RAM?(What capacities and how many of each capacity?)
The heater element of an electric kettle has a constant resistance of 100 Ω ohm and the applied voltage is 250 V. Calculate the time taken to raise the temperature of one litre of water from 15°C to 90°C assuming that 85% of the power input
create a student class with instance variables for a gpa and a first and last name. include a constructor that
Explain the term 'multiplexing' in general and describe why it is particularly important in the transmission of PAM signals and describe the main factors upon which the maximum data rate over a channel depends.
in a hydroelectric generating station the difference in level between ,the water surface and turbine driving the generators is 425 meters.if 1250 liters of water is required to generate 1 kwh of electric energy.find the overall efficiency
Bob enters a pizza shop and notices there are three different sizes of pizzas available. Sizes are given as the diameter of the pizza in inches. The cost of a pizza is based on the size. Bob would like to know which size of pizza has the lowest co..
A balanced D-connected load is fed by a three-phase supply for which phase C is open and phase A is carrying a current of 10
what is the minimum value decoupling that should be used. for the value of capacitor determined in part "a" estimate the self-resonant frequency of the capacitor, printed wiring board trace combination.
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