Electrical Engineering Questions and Answers May 17, 2021

A simple voltage divider circuit is given below. All resistances are in Ohms, these resistors are connected to a 9V source. Calculate the voltage across R2. R1 R2 R3 10 20 30 V1 6. 1.5 V 4.5 V 3 V 9 V

A 60uF capacitor with an equivalent series resistance of 5 Ohms carries a 1kHz AC signal. Calculate the effective impedance of this capacitor 5.66 Ohms 7.65 Ohms O 21.6 Ohms O 2.35 Ohms

Which of the following is a correct sum of the voltages in loop indicated B 9. 6. 3. 7. 12V 12 7. 12 12 10ohms 10 D 10 10 O 78 120 10E 0 7B 12C 10E 0 78 120 10E 0 78 120 10E 0

Which among the following statement regarding phasors is INCORRECT the phasor angle for a purely resistive component is at a 0 degree angle for a real inductor, the phasor points above the x axis O for a real capacitor, the phasor is downward and vertical for an equal amount of capacitive reactance and inductive reactance the phasor is a zero

Find the Thevenin resistance across ab 3 Ohms 5 Ohms 10volts 2 Ohms 2 10 10 Ohms 6.2 Ohms 3.8 Ohms 4 Ohms 3.

In a series RLC circuit, the voltage supply phasor can change depending on the value of the components. in order to keep the voltage phasor at nearly a zero angle, which of the following can be done increase the capacitance if the frequency is low add equal capacitance and inductance for power factor correction add equal amounts of resistance and

9 Consider the following threelevel NOR circuit (a) Find all hazards in this circuit. (b) Redesign the circuit as a threelevel NOR circuit that is free of all hazards. B Do D 10 Draw the timing diagram for V and Z for the circuit. Assume that the AND gate has a delay of 10 ns and the OR gate has a delay of 5 ns. W 10 ns 5 ns 2 5 10 15 20 25 30 35

Calculate the charge represented by the positive ions (or free electrons) created when a 4.6 MeV alpha particle is stopped in helium. Find the corresponding saturated current if 350 alpha particles per second enter a helium-filled ion chamber.

8.4 Using fourvalued logic, find A, B, C, D, E, F, G, and H. (no connection) B 244 Unit 8 8.5 The circuit below was designed to implement the logic equation F ABD BCD BCD, but it is not working properly. The input wires to gates 1,2, and 3 are so tightly packed, it would take you a while to trace them all back to see whether the inputs are

If the code generator polynomial is g(x) = 1 + x ^2 for a (5, 3) code, find the linear block code generator matrix G.n

A circular loop, of loop radius / 30 and wire radius /1000, is used as a transmitting/receiving antenna in a back-pack radio communication system at 10 MHz. The wire of the loop is made of copper with a conductivity of 5.7 107 S/m. Assuming the antenna is radiating in free space, determine the (a) radiation resistance of the loop b) loss

Consider two uniform neutron beams moving with 3x107 cmsec given in the figure below. The number densities of neutrons for the beam 1 and 2 are 2x106 cm3 and 4x106 cm3, respectively. Please set the beam 1 direction as xaxis and assume that the beam 2 is on the plane formed by x and y axis. Please answer the following questions (10 pt) (a)

For the following truth table find the simplified POS using KMAP. [Hint: Here (X) is for don't care, use them if needed] A B C D 0 0 0 1 0 0 1 1 0 1 0 1 0 1 1 1 1 0 0 1 1 0 1 X 1 1 0 X 1 1 1 X

Draw the logical circuit for the following function.

F BC A

Design a Full-Adder using two 4-to-1 MUXs. Take inputs A and CIN as your selector inputs. You should clearly show all the procedures and draw the logic circuit of your implementation. [Note: You are not required to show the internal logic circuit of a MUX]

Design a Full-Adder circuit using CMOS logic.

Sketch the root locus of the unity feedback system shown in Figure P8.3, where K(s1)(s7) (s 3)(s 5) G(s) and find the breakin and breakaway points. Find the range of K for which the system is closedloop stable. Section 8,51

Consider that the input shown in the below figure (here V x = ID V ). [5] Fig. 1 Apply the knowledge gained from diode theories to construct a circuit which satisfies the following conditions and sketch the output voltage of the constructed circuit. Please explain how your circuit works and state your reasoning for your choice of circuit. Design

A 60microfarad capacitor is connected to a 110V 59HZ signal. What is its impedance in Ohms 45 O 6 600 O 2.4 3.6

A 60microfarad capacitor is connected to a 110V 59HZ signal. What is its impedance in Ohms 45 6 600 O 2.4 O 3.6

Which of the following is true in regarding reactive components in an AC circuit. capacitors show increased reactance as frequency increases inductors exhibit increased resistance as frequency increases high frequency signals can easily pass through a capacitor O high frequency signals can easily pass through an inductor

Impedance, resistance, and reactance which of the following statements use these terms correctly Impedance is the simple sum of resistance and reactance reactance increases as AC frequency increases reactance exists due to stored energy in some circuit components O resistance depends on phase angle of an AC cignal

Which of the following is true regarding inductors in a DC circuit (0 Hz signal), an inductor has zero impedance O reactance of an inductor increases as the frequency decreases O the impedance of an inductor has a positive complex component O a phasor describing an inductors impedance is in the 4th quadrant

The phasor of the impedance of an AC circuit has no vertical component. What does this mean there are no reactive components in the AC circuit the resistance of the circuit is equal to the reactance of the reactive components the inductive reactance and capacitive reactance are equal in magnitude there are no inductors in the circuit

A 0.01 microfarad capacitor in a 10kHz circuit exhibits a reactance equal to O 1.59 kohms O 15.9 kohms 3.1 kohms O 10 kohms

Solve for the total current through R1. V1 10V, 10kHz, O phase angle V2 8V, 10kHz, 180 deg phase angle Show your solution(attach a JPG file 10MB size). If you have a simulation of the circuit attach a screenshot of the circuit and the waveform of the current through resistor R1 and label filename with RMS or peak value of the current. C1 c2 0.01H

A measuring instrument is used to measure resistance and it has an accuracy of = 0.5 % FS. It can measure resistance from 0 to 1600 ohm. What is the uncertainty in an indicated measurement of 245 ohm?

Discrete time x [n] sign is given below. (a) Calculate and plot odd and even parts of the given sign x [n]. Name the relevant graphics, showing each step with a formula. (b) If y [n] = 3x [2n-1], graph the sign y [n] and indicate the important points on the graph. (c) Find that the given sign x [n] is the energy or power sign.

xn 28n 2 8n 1 8n 1 28n 2 ,xn 28n 2 8n 1 8n 1 28n 2 ,xn 28n 2 8n 1 8n 1 28n 2

Check whether the signs given below are periodic or not. Calculate the fundamental period of the periodic signals.

(a) x1n e 3D (b) x2(t) sin(6at) 2 cos ( 1) 3D () Xg(t) 3 cos (t) sin ( 3) cos (t)e COS,(a) x1n e 3D (b) x2(t) sin(6at) 2 cos ( 1) 3D () Xg(t) 3 cos (t) sin ( 3) cos (t)e COS

The equation given below describes the input-output relationship of a system. Please answer the questions about the system accordingly. y (n) = x [n - 2] + x [n + 2] (a) Is the system linear? Explain. (b) Is the system stable over time? Explain. (c) Is the system causal? Explain. (d) Is the system with memory? Explain.

The figure below shows a continuous-time linear-time invariant system with an impulse response h (t) = 2u (-t). Note: Solve without using the Laplace transform. (a) What will be the output signal y(t) if the sign x(t) = 0.3e - t u(t-3) is applied to this linear-time invariant system? Calculate. (b) Show if this system is Limited Input - Limited

x(t) h(t) y(t)

Draw the block diagram of the difference equation given below. y (t) - 3y (t - 1) = -x (t) + 6x (t - 1) + 5x (t - 2)

Calculate the V0 / Vi voltage gain of the stream, rd input resistance, rof output resistance with feedback.

OR, 10V R3 47k 47k R. OR. OR, OR, JR 47k ik 10V

The following is a portion of a gamma-ray pulse height spectrum recorded using a germanium detector and MCA: It can be assumed that the data consist of a constant background plus a Gaussian-shaped peak. (a) Plot the data and estimate the constant background level. Find the net number of counts under the peak by direct summation. Estimate the

Channel Channel Counts Counts Number Number 711 246 720 1635 712 232 221 223 245 285 406 7211 1733 713 714 715 716 717 718 722 1411 723 915 491 724 725 303 253 726 727 733 1182 224 719 728 232

In the below gamma-ray pulse height spectrum problem, fit the net counts in the region of the peak with a Gaussian function using an available software fitting routine. Obtain the resulting peak area, centroid, and standard deviation, and compare with the results of the above problem.

(18.11 modified) The following is a portion of a gammaray pulse height spectrum recorded using a germanium detector and MCA Channel Channel Counts Counts Number 711 Number 720 1635 246 1733 1411 915 232 7211 712 713 714 715 716 221 223 245 285 722 723 724 725 491 303 717 406 726 253 718 733 727 224 232 719 1182 728

Let us assume a gamma-ray photon after Compton scattering through an angle of 54 has an energy of 0.72 MeV. What is the energy of the gamma-ray photon before the scattering?

A 1.33 MeV gamma-ray photon is incident on a detector, undergoes two sequential Compton scatterings, and then escapes. If the angles of scattering are 56 and 34 , respectively, how much total recoil electron energy is deposited in the detector? Does the answer change if the sequence of the scattering angles is reversed?

(a) Find the energy of the Compton edge for the 1.33 MeV gamma rays from 60 Co. (b) Calculate the backscatter peak energies corresponding to incident gamma rays of 3, 4, and 6 MeV

The following is a portion of a gamma-ray pulse height spectrum recorded using a germanium detector and MCA: It can be assumed that the data consist of a constant background plus a Gaussian-shaped peak. (a) Plot the data and estimate the constant background level. Find the net number of counts under the peak by direct summation. Estimate the

Channel Channel Counts Counts Number Number 711 246 720 1635 712 232 221 223 245 285 406 7211 1733 713 714 715 716 717 718 722 1411 723 915 491 724 725 303 253 726 727 733 1182 224 719 728 232

Is this function linear?

p12 y(1) x(r)dt 12

For a given transfer function G(s) 6s25) s3 a) Find the statespace equation (dxdtDAxBu yCxDu) ) Sketch the equivalent block diagram of this system.

(20) Find poles and zeros of the system having the following transfer function G(s) and check the stability of this 125 12s35)(s2.25) (s9)(s24s5) system.

Find the unit step response of the system where its transfer function is defined as s5 G(s) 10 (s24s5)(s2) Sketch the time response of this system roughly.

In the program given below for blinking of LED include unsigned int i void main() PINSEL20X00000000 101DIR 0X000F0000 while(1) 101SET OX000F0000 for(i0i 500000i) for(i0i 500000i) 101CLR 0X000F0000 for(i0i 500000i) O A. ON TIME IS LESS THAN OFF TIME O B. ON TIME OFF TIME OC. ON TIME IS GREATER THAN OFF TIME Reset Selection

Is it a little-endian or big-endian memory organization?

The given below ARM memory organization is coming under bit 31 bit 0 23 22 21 20 19 18 17 word16 16 12 13 halfword14 halfword12 9 word8 15 14 11 10 8. 5 4 byte6 halfword4 2 1 0 byte3 byte2 byte1 byte0 7 byte address 3

Which instruction is not coming under Empty Ascending A. LDMIA B. LDMDB C. STMIA OD. STMEA Reset Selection

What type of cache is it. please explain

The image given below is address tag CAM I data RAM mux hit data

Consider a 2bit by 2bit multiplier with its circuit symbol shown below (A1A0)2 x (BIB0)2 (2 P1PO)2. A1 P3 AO 2BIT P2 BINARY MULTIPLIER P1 1 BO PO a) Derive a truth table (with 16 rows) for the outputs P0, P1, P2, P3 in terms of the inputs A0, Al, B0, B1. Each row of the table represents a different input assignment. For example, if input binary

a) N binary-bits are used in the digital system representation to sample each analog signal, in this context, the digitized sample value can be given as: D = b 0 2 0 + b 1 2 1 + b 2 2 2 + + b N 1 2 N 1 Here, b 0 , b 1 , ..., b N 1 denotes N bits and takes a value as 0 or 1. Recall that b0 is the least significant bit (LSB), and b N 1 is the

Sv 10k SV Vo Vsot

5) a) As shown in the figure, the input voltage is 120 Volts (RMS) and the diode voltages are 0.7 Volts. Design the circuit for the two output voltages given below and find the number of turns of the transformer. i) 10 V ii) 100 V b) Consider a circuit using a Si diode and a 10 k ohm resistor. Design this clipper circuit with the following output

D1 fine Vs

Design a circuit called half adder (HA) which adds two 1bit numbers, a, b and produces 2bit output, c. Draw the truth table of the circuit. . b. Find the Boolean functions of each bit of the output. Optimize the Boolean functions. d. Draw the logic diagram of the optimized . circuits and write the VHDL code of those logic diagrams by using

RLC Circuit modeling dI(t) 1 V (t) RI(t) L EI(t)dt 0 dt Note that the input is V(t) and the output is (t). Make the RLC circuit modeling in Simulink, using input V (t) 10 sin(2nt) R 2 0, L 10 H, and C 0.1 F. Your Simulink model should be able to display signal for V(t),I(t), V,(t), and V.(t)in the same plot (as show in the figure) ,Scopel

1) Fig. 1(a) illustrates a wireless communication system, where the message signal is denoted by m(t), the carrier signal is denoted by c(t). The transmitted radio signal is denoted by x(t) m(t)c(t). In long distance radio links, the radio signal can be received by direct path between the transmitting and receiving antennas and also reflections

A BF 3 tube using natural boron shows a counting efficiency of 1.6% for 10 eV neutrons in a given application. By what factor can the efficiency be increased by using boron enriched to 96% 10 B?

Calculate the detection efficiency of a BF 3 tube (96% enriched in 10B) filled to 300 tore for incident thermal neutrons if their path length through the gas is 10 cm.

DRAW a state diagram . a mealy and a moore state diagram from the table above

A 0 1 0 0 0 B 0 0 0 1 0 N 0 1 1 1 0

Find the equivalent resistance at terminals ab of the circuit in Fig. 4. 20 ww 32 10 18 a o ww 15 2 6 25 2 bo ww Figure 4 www

a. What is the expected amplification of a BJT transistor amplifier if the de supply is set to zero volts b. What will happen to the output ac signal if the de level is insufficient Sketch the effect on the waveform. c. Can you think of an analogy that would explain the importance of the de level on the resulting ac gain

For the collector feedback configuration of Fig. 3 a. Determine r. b. Find Z, and Z. c. Calculate A. 12 V Fig.3 3.9 k2 220 k2 B 120 r. 40 k2

a. What is the expected amplification of a BJT transistor amplifier if the de supply is set to zero volts b. What will happen to the output ac signal if the de level is insufficient Sketch the effect on the waveform. c. Can you think of an analogy that would explain the importance of the de level on the resulting ac gain

1. A discrete time sequence is given as (n 0

Consider a system where a sensor is connected to a post beside a railway line. Whenever a train passes through the post the sensor generates a HIGH pulse signal. That signal then adjusted and passed to a 555 Timer IC. As soon as the 555 timer ICs input gets the signal, a HIGH output pulse is generated in the output of that IC and closes the

Consider an interpolater that decreases the sampling period from T to T/L, followed by a decimator that increases the sampling period by M, producing an output sequence that has an effective sampling period of T ' =TM/L. By choosing L and M appropriately, we can approach arbitrarily close to any desired ratio of sampling periods. For example, if

xn is the sequence with the corresponding DTFT X(e), show that DTFTxn no ejano X(e jw).

For the amplifier stage given below, VIN, VOUT VEIAS indicate bias values, while vi and vout represent small signal quantities. (You can ignore r.) HpCon 400AV, Vthp 750mV, .Cox 800AV, Vihn 700mV, 3D 3D 3D a) For M, calculate the Ip, gm b) Calculate the VoUT value c) Calculate the small signal output impedance Rout d) Calculate the small signal

Determine the voltage gain, AF, of the inverting amplifier circuit shown in Fig. P9.47 with (a) Av50 VV, R 1k2 and R 10k. (b) Repeat (a) with A 500 VV. (c) Repeat (a) taking the limit as Av 00. R 57. R

Suppose that before the following code is executed the top of the stack SP1402H MOV AX, 1 MOV , 2 MOV C, Rep ADD AL, BL PUSH AX DEC CX JNZ Rep POP BX POP CX P DX NOP What is the content of CX when reaching the NOP instruction Answer

Draw the circuit diagram of the Colpitt oscillator. Calculate the maximum theoretical efficiency of Class A power amplifier and briefly explain the cross over distortion in Class B push-pull amplifier.For a class B amplifier powered with 20 V and driving a speaker (5), calculate the maximum input power, maximum output power, and power dissipated

Itanium 2 ALU self-bypass path is shown in the figure below. The propagation delays and contamination delays of the path are given in the table. Suppose the flip-flop registers have a setup time of 60 ps, hold time of -8 ps, and propagation delay of 80 ps, and contamination delay of 65 ps. (a) Calculate the minimum cycle time Te at which the ALU

Calculate the minimum clock period for which the circuit operates correctly considering each of the logic delays given below. Given: ta Ops; tto= 25ps. 06Marks i) Al 300ps; A2 400ps: A3 250ps: A4350ps dk (b) For the circuit below, derive the expression for Q(t+1) and realize the expression using

A. Which material is better for manufacturing diodes Silicon or gemanium Explain why B. Explain what happens to the dynamic resistance of the diode as the forward current increases. C. Determine the values of VD. VD2, Ip. IDz and PIV for D2 in the circuit of the figure shown below, given that ra50 2 and R 2M2 for both diodes. Assume Practical

For the filtered bridge rectifier with a load as indicated in the figure shown below. 82 All diodes are silicon diodes D D Determine Output 260 V rms 60 Hz pipri) plsee) R 502 C D2 3 mF a) The peak primary voltage. Figure 2 b) The peak secondary voltage. c) The unfiltered fullwave rectified peak voltage. d) The peak to peak voltage ripple at the

The message signal m(t), whose frequency spectrum is shown in the following figure. m(t) is the input of the given block diagram where y, (t) x(t) x (t). The bandpass filter has a bandwidth of 2W centered at 2fo cos (4rfot) m(t) x(t) y2(1) Bandpass y3(1) Nonlinear Lowpass f Iter device filter cos (2nfot) M(f)4 W W a) Plot the frequency spectrum

2(A) Calculate the Avt. Rif, Rut, Rt for the circuit shown in Figure 3.The transistor used in the following circuit are identical and ha2K0and he100.The values of circuit parameters are R150KN, R120KO, Re22K0. Re1.5K02, R2.2K0, CC0.1uF, R5.6K and Vcc10V. 7 Marks T New Re Ret R 4 Re REL R www 3, Figure 3 2(B) Prove that class B power amplifier

A patient monitoring system has three input sensors to monitor three different parameters of a patient. The output of the system is an alarm which will aware the medical team of a potential danger. Sensor A measures the blood pressure and produces a HIGH when the pressure falls below a threshold level. Sensor B measures the blood oxygen level and

A patient monitoring system has three input sensors to monitor three different parameters of a patient. The output of the system is an alarm which will aware the medical team of a potential danger. Sensor A measures the blood pressure and produces a HIGH when the pressure falls below a threshold level. Sensor B measures the blood oxygen level and

In the problem above the nitrogen gained is shown as Nitrogen Balance. Calculate the total gain the animal makes if the gain is composed of 20 protein. (This is not something you were taught or that you will find in the notes or textbook. This is a problem solving exercise.) Calculate the total gain in grams and in pounds. (There are 454 grams in

Implement the following function with CMOS logic. F=AB+BC+AC

Design an alarm timer circuit with a frequency of 370 kHz and a duty cycle of 20%.

2. The following questions should be solved by using the Fourier series expansion equations (analysis and synthesis equations). (a) Determine the period of the complex signal given below and find the complex Fourier series coefficients.

xn sin G) cos (G) 3 sin ( 12

Draw the schematic diagram of THREE input (i) NOR gate and ((ii) NAND gate using PMOS and NMOS along with the truth table.

Draw the full-wave bridge rectifier along with its input and output wave shapes. Assume the input is a sinusoidal wave with peak amplitude of 20 V and 20 ms time period and the diode is Si if E = 0 or 1 or 2 or 3, Ge if E = 4 or 5 or 6, GaAs if E = 7 or 8 or 9. Also calculate the average value of the rectifier output voltage.

Implement the following function F using only a 4x1 multiplexer and an inverter. Also, complete the truth table with the correct labels and function solution A F

x(0)=x(1)=4, x(2)=x(3)=3, x(4)=x(5)=2, x(6)=x(7)=1, find X(k)'s for k=0,1,2,3,4,5,6,7 using decimation in-frequency Fast Fourier Transform.

w w w

Design a disk spinning animation circuit for a CD player. The input to the circuit will be a 3-bit number A 1 A 2 A 3 provided by another circuit. It will count from 0 to 7 in binary, and then it will repeat. The animation will appear on the top four lights of the LED display, shown in the figure below, going clockwise. The animation should

A1 A2 Az 000 001 010 011 100 101 110 111

Design the irregular sequence counter for the given particular sequence.

3

Implement a 4variable Boolean function f(x1, x2, x3, X4) E(2,4,5,7,8,9,11,13,15) using a single 4to1 multiplexer and minimal number of twoinput NOR gates. Use xi and x2 as select input lines in the multiplexer. Use only variables x1, x2, x3, X4 as inputs (not their negated forms).

Cloth25" is a bespoke fashion studio that aims to be the custom-made top and premium tailoring brand in Bangladesh. Bangladeshi people mostly preferred stitched outfits by local tailors. However, over the years, customer choice has been shifted to readymade and 'made-to-measure' (MtM) clothing brands due to comparatively higher tailoring costs and

Q1. a) Determine the Fourier series coefficients of x(t) given below. b) Plot the magnitude spectrum of x(f), X(f). c) Let y(t) is the output of a filter, when x(f) is the input and H(f) is the frequency response of the filter. Determine y(t) when x(t) is passed through the following filters (T 0.25). i) H(f) 2 1(4) jn 2 3 f 0 ii) H(f) jn 0

Q2. Consider the following problems separately given below. a) Compute the following convolution integrals i) u(t) u(t 6) ii) 68(t 2) e2t u(t) b) Determine the Fourierseries coefficients of the following signal i) sin(2nt) c) Determine the Fourier transform of each of the following signals 1 i) 4t2 ii) L, e2tu(t)dt

An AM (DSB) signal is given by xe(t) 20(1 0.5 cos(4000nt) 0.5 cos(6000nt)) cos(20000nt). a) Sketch the frequency spectrum of x.(t). b) Find the average power content of each spectral component. c) Calculate the modulation index. d) Design a demodulator using block diagram and indicate the outputs of each block. e) Propose a method to reduce

The following block diagram is used to generate an AM (DSB) signal. The modulating signal m(t) cos 2n fmt is given. a) Express y(t) in terms of the modulating signal m(t) and the carrier c(t). b) Specify the filter characteristics that yield an AM (DSB) signal at its output. c) Find the modulation index and the carrier frequency d) Propose a

Q5. The message signal m(t), whose frequency spectrum is shown in the following figure. m(t) is the input of the given block diagram where y, (t) x(t) x (t). The bandpass filter has a bandwidth of 2W centered at 2fo cos (4nfot) m(t) x(t) Nonlinear Y2(t) Bandpass filter Lowpass f Iter device cos (2t ) M(f)4 W W f a) Plot the frequency spectrum of

Q6. The normalized signal m, (t) has a bandwidth of 8 kHz and its power content is 2 W. The carrier A.cos(2nfet) has a power content of 200 Watts. a) If mn (t) modulates the carrier using SSB amplitude modulation, what will be the bandwidth and the power content of the modulated signal Express the modulated signal. b) If the modulation scheme is

Q7. Assume that an alien species have a speech signal that has frequency components from 400Hz to 3000Hz. HODI Din 20000 40000 20000 mt) A two user transmission system with two speech message signals mi(t) and m(t) that make use of DSBSC using carriers cos(2n fit) and cos(2n fit), as given below. They want to transmit their speech signals through

Please read the question properly and answer according to that. Please do not copy from other answers because those are wrong. I will upvote you if the answer is correct.

15 K 15 V 100 K Assume for saturation mode VBE0.8V, VCE0.2V. Find out the output voltage in V Find the value of Ic in mA. 015 V OV Now if the inputs voltage is V 15V. Find the value of in mA. Find the value of Z in mA. 915 V Find the value of I in mA. 2.2 K E 1 Save

Consider the 16bit CPU built in lab 8. You may refer to the diagram as your answer. The schematic has been copied and pasted for you at the end of this question. List the changes that would need to be made to the CPUs design if the following changes were made Registers are now 12 bits wide instead of 16 There are now 12 registers instead of 8

(a) Determine and implement the logic functions of the 3-bits BCD to Gray Code converter. (b) Design a 3-bit asynchronous down counter and show the respective timing diagram. (c) Explain the interfacing with the analogue world using Analog-to-Digital Converter (ADC) and Digital-to-Analog Converter (DAC) (d) An (n+3)-bit DAC has a step size of 10

A continuous time system is given by a 208320 Based on the Lyapunov equation, show that a and b must be negative for asymptotic stability. d dt x2(t) (t) (t)

A company pays its employees a weekly salary based on the number of working hours per week as it follows fixed hourly wage for up to the first 40 hours they work and timeandahalf1.5 times their hourly wagefor overtime hours worked. Write a C program to compute the weekly pay for each employee. You do not know the number of employees in advance.