Electrical Engineering Questions and Answers May 17, 2021

Design (the block diagram of) an Armstrong indirect FM modulator to generate an FM carrier with a carrier frequency of 96 MHz and deviation of f20 KHz. A narrowband FM generator with Fc200 KHz and adjustable deviation f in range of 9 to 10 Hz is available. The stockroom also has an oscillator with adjustable frequency in the range of 9 to 10 MHz.

Design a 2-bit ripple carry adder using the full adder designed in the previous step. Consult Figure 3 for guidance. Your digital circuit should have two 2-bit inputs, {A1, A0} and {B1, B0}, and one single bit input, {Cin}. Similarly, it should have a 2-bit output, {S1 S0}, and a single bit output, {Cout}. Provide the truth table for the 2-bit

3.3 Ripple Carry AI C2 cont (cany) 81 FA Adder Sum AD A HA A, A B, B 5 HOOOOoooo I SHH 1 1 1 1 1 1 PHOOO0 1 1 a 1 11 1 PT HOLLOON HOOLHOONH 1 1 1 1 2 0 O 01 1 1 1 O HOHOHOHOH 1 1 ONO 01 1 00 1 O 1 Q 1 10 O HOOH S Cont TO HOT HO 1 OF ON POPROP 1 1 10 OG OG GO LLLOLEOCHI 1 1 1

(d) Two Permanent Magnet Moving Coil (PMMC) Meters are used by Student A and B to measure voltage. The meter specifications are as follow Meter 1 Sensitivity (S) 0.5 k2V, Internal Resistance (Rm) 1.0 km2. Meter 2 Sensitivity (S) 1.0 kV, Internal Resistance (Rm) 2.0 kn. If Student A is given Meter 1 and Student B is given Meter 2 (i) Calculate

7.4. (a) What determines the type of conductivity in a ceramic (i.e.. whether it is ionic or electronic) (b) It is often said that reducing a ceramic will increase its electronic conductivity. Do you agree with this statement Explain. Distinguish between p and ntype oxides with respect to the oxygen partial pressure dependence of their majority

7. Besides fork... join and begin... end, SystemVerilog introduces fork.. join none and fork.. join any to create threads. Please write the outputs of the following two code examples. initial begin display(0t start fork...joinnone example, time) 10 display (0t sequential after 10, time) fork display (0t parallel start, time) 50 display (80t

5. Ntype semiconductor. In the context of intrinsic (pure) semiconductors, the relationship ne nhni 2 may seem trivial, but its validity extend to doped semiconductors where nenh. Lets say of all of the Si atoms in our 1 cm 3 Si cube we replace 1 x 10 14 Si atoms with P atoms. P atoms have one more electron in band which is very close to the CB

11. A 5002 line and a 9002 line are connected in tandem as shown in the Figure 6. The 50 S line is terminated in a 2002 resistance. Both lines are lossless and their lengths are indicated on the figure. Calculated the input impedance and the input reflection coefficient if 20cm for both lines. 12.8cm Z 02 9052 5cm Z01 5002 2012

A 50 Hz, 50 MVA, 13.2 kV star grounded alternator is connected to a line through a deltastar transformer as shown in Fig.11. The positivesequence, negativesequence and zerosequence impedance of the alternator are j0.1 p.u, j0.1 p.u and j0.05 p.u, respectively. The transformer rated at 13.2 kV (delta) 120 kV (star), 50 MVA with star solidly

5. The principle of a VOR beacon is shown in figure 3 below (12pt) P Mam of Cycle MAGNETIC NORTH O figure 3 a) What does VOR stand for b) Explain briefly how a VOR works. c) In which frequency spectrum does VOR work How are the courses from the beacon called d)

5. Low earth orbit satellites use mainly L band, with ranges varying from 1000. to 2500 km. Calculate the maximmuunundminimumpathloss from earthtoa satellite, in dB, for the uplink frequency of 1.6 GHz, and the downlink frequency of 1.5 GHz.

4) How the telephone works Draw the structure of a simple telephone system and explain the operations when a telephone call is made. 5) What are the E2, T2 communication links Explain them briefly. 6) Explain time division multiplexing briefly 7) What is echo on telephone lines How do we suppress echo 8) What is REED RELAY How does it work

The complex conjugate exponential signals given by xa(t) e e ei int61, is equivalent to Select one a. xa(t) cost Ob. xa(t) 0.5 cos(t C. xa(t) 0.5 cos ( t d. xa(t) sin t

4. The colon () operator and linspace function are used in MATLAB to create linearly spaced vectors. Observe the results of the example provided using these two methods. Then, generate the vectors below (a. b. c. and d.) using the colon operator and the linspace function. 1s linspace (3,15,5) 18 3 6 1s 9 12 15 3315 3 6 9 12 15 a. 1 2 3 4 5 6 7

All question marks in this page need to be determine. (box the answers)

4. (a) 7 sin (17) T 1352 ww 970. E 16MF E t .208 m (time constant) We 1107 Kth (cutoff anglar frequency) (0.208 1) BON 7 (0.99 1352 www 16MFF (C) 7 Sin (7) 97 25in (1,5154) V (transfer function T VI (w) 6 971382 150 E 3 Sin (2,300,000) 12814 20 1352 www 0.0 201 V 216 (16 80776) 110 16 MET H Vo(w) V 14

3. UMF P6.32 with additions a. Do the problem as stated but also find ic(t). b. Plot ve(t), ic(t), i.(t) using Matlab. Choose an appropriate time scale for your plot 6.32 For the circuit in Fig. P6.32, assume that before t 0, the circuit had been in that state for a long time. Find vc (t) and IL (1) for 1 0. 4 V 12 2 1 mH ml oooo 6 F iL 2mH

3. (Characterization of shortchannel MOSFETS) Illustrate the five important device parameters of (V(lin, sat), S(lin, sat), loff, Ion, DIBL for MOSFET characterization on the following log(ID)VGs curves with VDD 1.1 V (Note here, VT is determined by constant current method at p 100 nAm) logID VGS VDs 1.1V VDs 0.05V DS

INVERTING ACTIVE LOW PASS FILTER Vin Rfb ww Vout Figure 45 Inverting Active Low Pass Filter,3. ACTIVE LOW PASS FILTER Find the parameters (R,R,C) of an Inverting Active Low Pass Filter to meet the following criteria. Design an active inverting low pass filter, as shown in Figure 45 with a 10 transfer function T(jw) where f3dB 2 Hz. 1 jo o Note

Your 200 Amp device puts out a power of 72,000 Watts. Whatenergy will be consumed after 24 hours of operation? in kWh.

6 A 40 10 www Vo A 20 4io 30 V Using the nodevoltage method to find the v and i in the above circuit.

2 Sketch the root locus for the characteristic equation A(s) 1 kpGp, where 1 s(s 2s 5) Hint You can check your answer using the rlocus (sys) command in MATLAB, where sys Gp. a Plot the openloop poles and zeros. Gp(s) ,b Find the centroid and angles of the asymptotes. Draw the asymptotes. C Find the angles of departure from the complex poles. d

2) Below is the radiation diagram of a satellite dishoperating at 1 Ghz. Determine HPBW and FNBW in degrees.

dB 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 0.6 0.5 0.4 0.3 0.2 0.1 0 0.1 Plan H rad 0.2 0.3 0.4 0.5 0.6 0.7

(i) what is Burden of a CT how is it specified (ii) Calculate VA output required from a CT of 5A rated secondary current when the burden consists of relay requiring 10 VA at 5 A plus loop load resistance of 0.9 ohms. (c) why the secondary of CT should not be open circuited (d) Discuss the problem of transient behaviour of the CTs associated with

stes) 118. Which of the following statements about sizing equipment grounding conductors for parallel circuits is true A. When all parallel conductors are installed a common raceway, an equipment grounding conductor must be installed for each set of parallel conductors. B. When parallel conductors are installed in separate cables, a fullsize

11. Dimension Y in the diagram below should be no less than deprit 2 3 Conduit A 2 Conduit B

A 110 V heating element in a stove can boil a standardized pot of water in 1.2 minutes, consuming a total of 136 kJ of energy. Determine the resistance of the heating elementand the current flowing through it.

Bulb 1 uses 20 W and produces 1280 lumens. Bulb 2 uses 75W and produces 1200 lumens and has a service life of 750 h. (a) Calculate the efficacy of each light. (b) Estimate how much it will cost to operate each bulb 4 hday for 300 days yr. Do the alculation without bulb replacement. Cost of electricity0.10KWh.

Your senior design partner wants to use some zip cord, (old lamp cord) that he found in the lab to connect some circuits. The zip cord is 18 AWG, 2 meters long, has copper conductors separated by 3mm of PVC insulation (E3e). (18 AWG wire has a diameter of 1.02 mm). What is the characteristic impedance of the zip cord How fast will signals travel

The block diagram of a flush toilet is given. i. Identify the controller, correction element, process element and measurement element. ii. Also write the functions of each of the elements present in the block diagram.

ho Lever Piston Float 9, (1) Water Tank h(t)

1. The Ohms Law and Watts Power Formula Wheel of Equations expresses the relationship between Power, Voltage, Current, and Resistance for electrical calculations. Two basic formulas in the table Ohms Law VR. I and Watts Power Formula P V I are the building blocks for the other 10. Use these two formulas to create the other 10 shown within the

Question 6 Assume that you could transmit digital data over FM broadcast band radio station. The maximum allowed bandwidth is 200kHz. The maximum deviation is 75kHz and the deviation ratio is 5. Assuming that you wished to preserve up to the third harmonic. What is the highestfrequency square wave you could transmit Justify your answer with

Two resistors are connected in series. One resistor has a resistance of 1000 ohms, and the other resistor value is unknown. the circuit is connected to a 30V power supply and there is a current of 25mA flowing in the circuit. if a 1500 ohms resistor is connected in parallel with the unknown resistor, how much current will flow in this branch?

Need a thinkercard and pcb layout in oracade don't give wronganswers I will report

Power Switch 115V A.C. Crystal Fuse 1A AA8VW8EXI 6CL6 OneTube Transmitter HH Plate .001uf Tuning 5V 68K 12W 220pf Key 700V Center Tap N.C. 2,9 22pf 2.5mH 001uf HH 5 6.3V 6CL6 Oscillator 3,8 2 5Y3GT Rectifier 005uf 2.5mH 50 pf AH 005uf 2.5mH Antenna RF Choke Filter Choke 9H, 40mA elle 10uf500V Filter Capacitors Tank Coil Assembly reeeet. 0500 pf

For the transistor amplifier diagram below, given: Input side: VS = 60 mV, RS = 180 , and Zin = 1.2 k Output side: Vout = 8.8 V, Zout = 120 , and RL = 3 k a. Find Source power b. Find Input voltage c. Find Voltage gain d. Find Load voltage e. Find Load power f. Calculate the effective power gain in dB

g Vs d c R www Zin Ay Zout www A,Vin www RL

A 480V/240V transformer has a rated current of 40 amps on thelow voltage side. 1. Find the rated current on the high voltage side 2. Find the Power rating S in VA 3. Find the Base Impedance on the high voltage side 4. Find the Base Impedance on the low voltage side 5. Find the ratio of the base impedances and relate it to the turnsratio

0.5 25 25 0.75 30 (all dimensions in cm) Figure 4. Magnetic circuit problem 315 a. the flux density in the air gap of the right leg b. the flux density in the center leg c. the current needed in the coil. Answer a. B 0.8T b. B 1.0T c. I 11.94A. 315. In the magnetic circuit shown in Figure 4 the center leg has the same crosssectional area as

What are the 3 Waves of Technology? Create an outline of thetechnological trends in different fields such as medical,telecommunication, brain research, engineering, and Business

2The circuit below is a phase splitter. Explain why What is the ratio of the AC signals 929 20V 150k 62k H 4.99k 196 5.6V 4.99k 19 15V 5V 42 M

13. Calculate the Numerical aperture and acceptance angle of Single mode step index fiber, with a V number of optical fiber is 2.4. Step index diameter of the core is 10um, and radius5 um.. NA 0009 a 5.67 NA 0.99 a 567 NA 1, 0.567 ONA0.99, a567 14. IFind the V Number of an optical cable, if the Numerical aperture is 0.1, and fiber core radius is

1. If the voltage gain is 2000, the decibel voltage gain is a. 40 dB c. 66 dB b. 46 dB d. 86 dB 2. The input power to a device is 10,000 W. The output power is 500 W. The power gain (GdB) in decibels is a. 13 dB b. 26 dB c. 56 dB d. 18 dB 3. Which of the following is an advantage of using dB representations of gain values (a) Positive and negative

1. Use Multisim online to Implement the logic circuit whose Boolean function is F ABC Key Space Key Space Key Space V1 12V vcc Key Space Key Space Key Space 6.0 2. Implement the circuit above with NAND gates only S2 S3 R1 1K 1K0 1k0 RS U5B 7404N UJA 7400N R2 1kQ R5 R4 R6 10160 U7D 7400N U4A 7400N U1A 7408N U6C U2A 7432N LED14 7400N 74 LED2

f 950 1 95011 1 N 950 22 N 1000, 3) ) N love, f 2 kHz X (1) COS (YP 1st 5 sample of x ... (Yo, X4) 2 (2ft) index, k largest FFT coeff

b2 1. Given the irregular quadrilateral, find the length of c. 02 b b 180 m C 115 m A 120 A G b 165 m Q Az 100 B B A2 2. A fence enclosure consists of a rectangle of length L and width 2R and a semicircle of radius R. The enclosure will have an area, A, of 1600 ft. The cost of the fence is 40ft for the curved portion and 30ft for the straight

1) Figure the total resistance of the parallel circuit 2) Figure the total resistance for parallel and series circuit 3) Figure total AMP 4) Calculate voltage drop across each resistor 5) Determine current flow through each resistor

R 10 V 12V R 70 Volts (E) Amps (1) Ohms (R) R3 6 2. Parallel Series Circuit above a) Figure total resistance of parallel circuit. b) c) Figure total resistance for Parallel and Series circuit. d) e) Figure total Amp. f) g) Calculate voltage drops across each resistor. h) Determine current flow through each resistor. R R R3 R4 R4 Total (

1. Determine the current IL R E 50 R40 R20 10 V E 16 V V R 30 V 8 V,2. Determine the current through each resistor. R www 1202 30 V R60 60 V,3. Determine the voltage (vs) for the given circuit using superposition theorem R 30 (1 R 40 R60 16A E12 V R120 8 V,Determine In through 14 using superposition theorem KA 100 200 300 20 A 600

1. A city is at latitude 40 degrees north. A solar farm consisting of 100 solar panels, each panel with area 1 square meter, is installed in that city. All 100 panels are tilted south by its latitude. a. What is the clear sky insolation on the summer solstice (June 21) at noon for each panel b. Assuming no cloud cover, what is the total energy, in

1. Calculate the value of the vector Curl H (a) in rectangular coordinates at PA201. if H xz ay 4yx a (b) in cylindrical coordinates at PB(2, 60, 3) if 2 H COS P s (0.24) (c) in spherical coordinates at Pc(2, 1 120, 45) if H a6.(x2,y0,z1) sin 6

1. Besides the reference node and the node v a ,label the rest of the essentia nodes for the circuit. Ex. v b ,v c .... 2. Based on the voltage labels, write the KCL equation for node v a . 3. Write the constraint equation, i.e., write v delta in terms of the node voltages. (The left hand current is 5 v delta )

100,9 25.1 M 300. M 1 4001 2001 M 500. 75V

9. Determine and sketch y(t) x(t) h(t) for the following values of T (a) T4 (b) T2 (c) T32 (d) T1 x(t) S(tkT) k18 h(t) (t1)(u(t1)u(t))(t1)(u(t)u(t1))

Determine if the following vector fields F are conservative. If they are, find the potential function f. (a) F (b) F (yz, xz, x y ) (c) F (yz sin x xyz cos x, xz sinx, xy sin x) (yz, xz sin y, 2xyz)

1. The maximum voltage value between commutator bars considered safe for a compensated armature with a diameter of 6 in is A. 21 B. 15 C. 19 D. 17 2. The most likely cause oi short circuits in armatures is A embedded metal particles. B. absorbed moisture. C. insulation break down at bends D. incorrect tooth alignment 3. If the metal band on a

1. What is the capacity of the accumulator? * 2. In order to increase the capacity of our accumulator, eachseries cell has 3 additional cells wired in parallel to it; thisresults in our accumulator containing 576 cells wired in a 144S4Pconfiguration.Each cell has a capacity of 2.5Ah. 3. How much energy (kilowatt.hours) does our accumulator have? *

1. Control Design via Block Diagram Reduction An Example Assume that the motor with a transfer function G(s) closedloop, unity feedback system (see Fig. (a)). R(S) R(s) E(s) E(s) Amp K (a) 25 s(s1) Motor 25 s(s1) Motor 25 s(s1) K8 Tachometer is used as the forward path of a C(s) C(s) (a) Calculate OS and T. (b) Since the motor cannot be changed,

1. Develop a Python graphical blood glucose (eAGA1C) conversion calculator according to the formula used by following the American Diabetes Association (28.7 X A1C 46.7 eAG). You are required to use graphics.py module to create a GUI Python application.

1. Declare and implement a class named BinaryStrings. The class will contain the following methods: incBinary(String b) returns b+1 in binary. //examples - incBinary("101") = "110", incBinary("111") = "1000" decBinary(String b) returns b-1 in binary assuming b contains at least one 1s. //examples - decBinary("101") = "100", decBinary("100") =

1. Explain the key differences between how digital and analog data is represented. 2. What is numeric data and how do digital devices represent it? 3. What is character data and how do digital devices represent it?

1.Which function in JavaScript is usedto check type of a variable? Select one: a. type b. typeof c. var d. None of the above 2.DOM enables Javascript to Select one: a. Change HTML elements b. Change HTML attributes c. Change CSS styles d. All of the above 3.JavaScript Objects contain Select one: a. Data members b. Member function c. Both A and B

c/C++ programming

1. Which of the following is wrong regarding the standard macro named CHARBIT (Note 2.3) A. You must never define it yourself. B. It is available in header files limits.h and climits. C. It represents the number of bits in a byte (in data type char). D. Program code should use it instead of a literal 8 to represent the number of bits in type char.

1. Consider the following two languages on alphabet ? = {a,b}: L1, the set of all words w on the alphabet such that w contains atleast three as; L2, the set of all words w on the alphabet such that w contains thesame number of as and bs. Now, I have a robot M holding two flowers, red and blue, and, ateach second, shows exactly one of the two. When

1. What does MSb mean

1. The prefix pre in preview means (1 Point) after before 2. The root word dict in dictation means (1 Point) say put 3. The business is not looking good. They are expecting a drop in profits. (1 Point) forecast precast m,4. The prefix auto in automated means (1 Point) across self 5. The prefix tele in telescope means (1 Point) change far 6. The

1. Problem Covering a 2 x n grid. a. Find a recurrence relation for C, the number of ways to cover a 2 x n grid using 2 x 1 tiles. Make sure to include your initial conditions. b. Solve your recurrence relation by describing the nth term explicitly.

Solve using Excel

1) The following is the sewage pipeline in a small town. Many city populations complain about sanitation and the awful smell of floating sewage in their neighborhood. The engineering at Mayer office estimated that the city could produce 25 tons per hour of sewage. The graph below represents various flows that can occur through a sewage treatment

1. Consider the crossword puzzle shown in Figure 4.14. 1 4 5 3 Words add, age, aid, aim, air, are, arm, art, bad, bat, bee, boa, dim, ear, eel, eft, lee, oaf Figure 4.14 A crossword puzzle to be solved with six words You must find six threeletter words three words read across (1across, 4across, 5across) and three words read down (1down, 2down,

1) A game of Skee-Ball would most likely be played by a personwho is ______. A)looking to escape real life B)looking to become more physically fit C)is wanting to gain knowledge of concepts and processes D)motivated to master the game E)finds pleasure in being creative 2) Of the genres listed below, the game FarmingSimulator would be best

(10) In a BST with n nodes, what is the time complexity forsearching, insertion, and deletion in worst case, respectively?What is the time complexity for these operation in average case(balanced tree), respectively? (30) Modify program BinarySearchTree.java by adding thefollowing operations to the BinarySearchTree class: Find the height of the

#1. Write the PowerShell syntax to do the following: # Obtain all processes # Filter and keep only processes with CPU greaterthan 20 (Filter PowerShell so that it cannot be in theresults) # Sort by CPU usage (Highest to Lowest) # Display only the top 15 processes by CPUusage # Format as a table, displaying the properties: ID,ProcessName, and CPU #

1. True/False: In Excel a logicalfunction in a worksheet returns a different value depending onwhether a specified condition is zero. 2. True/False: AND & IF are logicalfunctions that can be used to build formulas in a worksheet. 3. The AND functionwill only returns a value of FALSE if A) the criteria isin numerical value B) one or more ofits

1. Find the transient and steadystate responses of a system modeled as 2 3 et, x(0)0, i(0) 1.

(10 points) An assertion specifies that a program always satisfies a certain condition at a particular point during its execution. The assert function in C takes as input an expression the program aborts if the expression evaluates to false during program execution. Consider the function baz written in C void baz (int n) int x,y,i X i 0 y while

1. 2. 3. Write the function called fnspeedconv which converts the wind speed from mph to Knots and kmh. 1 Knots 1.152 mph 1 mph 1.609 kmh The Beaufort Wind Scale (see table. 1)is used to characterize the strength of winds. The scale uses integer values and goes from a force of 0, which is no wind, up to 12, which is a hurricane. Write the script

1. Regarding bias and variance, which of the followingstatements are true? (Here high and low are relative tothe ideal model.) Models which underfit have a high variance. Models which underfit have a low variance. Models which overfit have a high bias. Models which overfit have a low bias. 2. Some of the problems below are best addressed using

10 pF 100 pF 0.001 F 0.01 F 0.1 F 1 F 10 F 100 F Capacitors 22 pF 220 pF 0.0022 F 0.022 F 0.22 F 2.2 F 22 F 220 F Use these capacitors to construct capacitors of A) 480 pF B) 600 nF C) 120 pF 47 pF 470 pF 0.0047F 0.047F 0.47F 4.7 F 47F 470 F

1. What is the resistance of a 22 AWG copper wire that is 5 in length 22 AWG has a diameter of 0.02535 1 0.0254m Resistivity of Copper 1.72x108 ohmm 2. 3. What is the resistance of a copper bar that is 0.25 x 0.75 x 120 If a copper wire has a resistance of 10ohms at 20C, what is the resistance at OC Temp Coefficient of copper 0.00393 4. If a

1 Write a Java program to read in a DSFM, then decides if an input string is accepted by the DSFM or not. You can assume the input DSFM is legal, and states are named with single letters. Note The program has 2 parts 1. Read in the start state, the final states, and the transitions of the input DSFM. (no need to read K or I since the transitions

13) Complex relative permittivity of a medium is represented by 1 Er Eo (E 4.5, Es i With T being the dielectric relaxation time, a and constants. E and Es are the high and low frequency limiting values of respectively. Obtain a value for the loss tangent tand. 4.5, s 75, T 8.77 x 102, a 1 , o 0.17) WEO

commonwealth bank network design

1. Rainbow table attacks are a type of attack that attempts to discover the password from the hash. However, they use rainbow tables, which are huge databases of precomputed hashes. It helps to look at the process of how some password crackers discover passwords without a rainbow table. Assume that an attacker has the hash of a password. What are

1a) What is an ISP in regards to Computer Networks? a.) Internet Service Provider b.) A network of servers which store and deliver data, programs,and other content c.) A wireless technology that allows digital devices tocommunicate with each other 1c.) What is a network switch? a.) A device that powers on/off the computers, printers, andservers

13. Which of the following statements regarding a thermistor is true A. It must have a negative temperature befficient. B. It is not a transducer. C. It is an example of a nonlinear resistor. D. It can change resistance in response to changes in temperature.,14. A switch is used to turn on current to a large inductor. Which of the following would

73 Redefined Builtin Python has a set of builtin functions, such as min, abs, and round. It also has builtin types like str, int, and flost. It is unsafe to redefine (give new definitions to) Pythons builtin functions and types. The code below redefines one of Pythons builtins. Submit the provided code and click on the Expand for Detailed Error

192.168.0.5 192.168.0.29 192.168.0.16 R2 B 192.168.1.117 192.168.1.68 192.168.0.111 192.168.0.35 192.168.0.105 C 192.168.0.210 D R1 192.168.2.117 192.168.3.220 192.168.2.15 E W X Y Z To Internet The above figure shows 4 small networks connected to each other using two routers. 1. Assuming classless addressing, and given the shown IP addresses

How many gifts? "The Twelve Days of Christmas" is a cumulative song , meaning that each verse is built on top of the previous verses. There are twelve verses, each describing a gift given by "my true love" on one of the twelve days of Christmas. The first three verses run, in full, as follows: On the first day of Christmas my true love sent to

40 2. 3. If you find a box, go to step 1. If you find a key, youre done Chapter 3 Recursion Which approach seems easier to you The first approach uses a while loop. While the pile isnt empty, grab a box and look through it def lookforkey (mainbox) pile mainbox.makeapiletolookthrough () while pile is not empty box for item in box if item.isabox()

2. There are 26 characters in the alphabet we use for writing English. What is the least number of bits needed to give each character a unique bit pattern? How many bits would we need to distinguish between upper- and lowercase versions of all 26 characters? (12 points) What is the largest positive number one can represent in an8-bit 2's

2. Consider the routing table and ARP table below from a Cisco router. This router has two Ethernet interfaces Ethernet00 and Ethernet01. R S Routerfeshow ip route 192.168.10.024 is directly connected, Ethernet00 192.168.11.024 1201 via 192.168.10.7, 000011, Ethernet00 192.168.50.024 10 via 192.168.1.5 C R 192.168.1.024 is directly connected,

2. Move ranges B15L30 to C15M30 (All the cells should shift to the right). In the range B17B29, insert a Sparkline for the range of cells C17F29. 3. In the range C17F29, insert Conditional formatting such as Data Bars, Color Scales, or Icon Sets (This will show up as well as the number). You only have to choose one. 4. On the bottom of row 2,

2. Consider this string MUALLA KOKULU MUMU ALMA. Answer the following assuming that space character is not part of your string. a. Design a ShannonFano code to code these source symbols. (Your solution may not be unique.) b. Calculate the average code length for your solution. c. Calculate the compression ratio for your solution.

2. Four countries in the world do not officially use the metric system the United States, the United Kingdom, Liberia, and Myanmar. Even in the United States, the practice is that some industries are almost completely metric, and others still use the English system of units. Confusion between metric and English units is common. American travelers

14.3 How do you define a JavaFX main class What is the signature of the start method What is a stage What is a primary stage Is a primary stage automatically created How do you display a stage Can you prevent the user from resizing the stage Can you replace Application.launch(args) by launch(args) in line 22 in Listing 14.1 (given below) LISTING

Draw the open circuit and short circuit characteristics using the data given below for a 150MW, 13KV, 0.85PF, 50Hz Synchronous generator. [CO1] Open circuit characteristic If (A) 200 450 600 850 1200 Short circuit characteristic If=750A, Isc = 8000 Determine the unsaturated synchronous impedance of the machine

1.Ezra wants to install Docker on a Windows Server 2019server. He has two options to download and install the DockerEnterprise Editioneither Microsoft or Docker. He chooses todownload the package using the DockerProvider Windows PowerShellmodule. Which of the following justifies Ezra's choice? Group of answer choices A. Ezra wants a stable version

2) WWW.myitlab.com is an example of a(n). O domain name O protocol prefix OURL omni box

2. What's one of the best ways to avoid the challenges with thecone of uncertainty? Select an answer: Focus on making a detailed plan that we'll guide teams throughthe uncertainty. Accurately predict how everything will turn out so that youdon't need to worry about uncertainty. Plan everything out at the beginning so that you don't have tomake

2 point Javas ArrayList remove(int index) is used for removing an element at the specified index from a list. It removes the element from the ArrayList, moves all the other elements up one position, and returns the element removed. With that in mind, what will be displayed by the following code List list new ArrayList () list.add(A) list.add(B)

Help on this. thanks

2022SP CS234 Computer Science II 1. (Based on P6.11) A supermarket wants to reward its best customer of each day, showing the customers name on a screen in the supermarket. For that purpose, the customers purchase amount is stored, and the customers name is also stored. Lab 5 Total points 100 You need to write a Java program. Your program must

2 A transmitter outputs 30dBm power and has an efficiency of 60. How much dc power can we save if we could increase the efficiency to 75

Q5 AWrite the equation for the following abbreviation with diagram and truth table X(A B)(CD) B Determinate the output logic function (Y) truth table for the following logic Circuit A 11 C A Digital B Inputs C Logic Gates (A.B) Logic Diagram Output y

2 3) (5) What value will the carry flag contain after these instructions a) MOV R1, 3 MOVS R2, R1, LSR 1 b) MOV R1, 2 MOVS R2, R1, LSR 1 4) (5) Will this instruction update the flags in the CPSR ADD R1, R0, 1 No it Why or why not

Q2. Water jug problem You are given a 5 liters jug and a 2 liters jug, which are completely filled. The jugs do not have markings to allow measuring smaller quantities. There is no water supply to refill the jug. You have to use the jugs to measure 1 liter of water in the 2 liters jug. The operations you can perform are a) Empty a Jug b) Pour

Java Question: Disk space AnalysisPlease advise the code in Java 7 or 8

2. Disk Space Analysis A company is performing an analysis on the computers at its main office. The computers are spaced along a single row. For each group of contiguous computers of a certain length, that is, for each segment, determine the minimum amount of disk space available on a computer. Return the maximum of these values as your answer.

2. Write a Java class that extends ACMs GCompound class to draw the following symbol Note Using Gimage is not valid Then write a separate Main class that instantiates the previously created class to create a 4x5 array of the symbol above. Refer to the image below,

Please do it using atmega 328 ASSEMBLY language ( NOT C)

3. (25) Write the ASM code to configure the USART so that the ATMega328P can communicate with an external device according to the format given in Problem 1. Allow for interrupts when the Transmit Buffer is ready to receive new data and when the Receive Buffer has unread data. Explain your code with comments.