Computer Engineering Questions and Answers May 24, 2021

How to using other method to rewrite the below java code? Eg ,using different loop or different method to do the validation public void enterPlayerName() { Scanner scanner = new Scanner(System.in); String name = " "; do { System.out.println("Prime Challenge game start "); System.out.println("Please enter your name: "); name = scanner.nextLine();

Lets think that the area given in Q#3 is a Gold Mine! The value/number in each cell indicates the amount of Gold that is kept inside each corresponding cell. The miner starts mining at the TOP RIGHT CELL and this mining eventually ends at reaching the BOTTOM LEFT CELL. Movement constraints are followed/maintained as it is mentioned in Q#2. Now,

Consider the following 5 x 6 area where each cell is indicated in the form i, j 0, 01 10, 11 0, 21 0, 31 0, 41 0, 5 1, 01 1, 11 1, 21 1, 31 1, 41 f1, 5 2, 0 2. 1 2, 2 12. 3 2, 4J 12, 5 3, 0 3, 1 3, 21 3, 3 3, 4 3, 5 4, 0 4, 11 4, 21 4, 31 4, 41 4, 51 Starting cell is 0, 5 and journey ends at 4, 0. The following moves are valid for any REACHING

3. Lets assume that each cell in the following given area has been associated with a cost 7 5 3 5 2 1 3 5 3 4 6 4 36 2 5 3 7 5 7 6 5 4 7 2 3 4 5 6 Calculate the minimum amount cost needed to reach the BOTTOM LEFT CELL from the TOP RIGHT CELL. Also show all possible paths associated with the minimum cost. Valid moves are the same as mentioned in Q2

Translate the following expression: total=purchase*15.5 + (toll + transport_Cost) according to the phases of a Compiler.

Discuss the procedure of array multiplication.

Determine the truth value of the statement 3x3zVy(xzsy) if the domain for the variables consists of. a) the positive real numbers.

According to the phases of a Compiler, Translate the following expression properly: Total=purchase*15.5 + (toll + transport_cost).

The equation for the combustion of glucose (C6H1206) in air is given below C6H12O6 (s) 602 (g) 6CO2 (g) 6HO (1) Calculate the volume of CO produced at 37C and 1.00 atm when 4.27 g of glucose is used up in the reaction. (A) 4.16 L (B) 4.48 L 3.62 L (D) 5.87 L

Compare and contrast the characteristics of monopolistically competitive, monopolistic, and perfectly competitive markets. Provide an organization that is an example of each and discuss how changes in their pricing affect your purchase decisions.

Create a progression and statistics calculator that will compute for the arithmetic progression, geometric progression, mean, median mode and standard deviation as shown below. Use appropriate control objects with constructors and properties. Create a Windows form application using C language PROGSTAT CALCULATOR PROGRESSION COMPUTE STATISTIC MEAN

I am providing a dataset to you. By following the dataset name is Covid 19s Impact on Education and stress you have to solve the question is do the Exploratory data analysis, visualization and prediction using the Python Libraries in Jupyter Notebook. Datasets 1. httpsdocs.google.comspreadsheetsd1fScyqOKOQDcWD9LB1zBRm7Z5

Write a program that displays chess board as output on the screen. One square should be of blue color and the other is of yellow. (5) ,Note Lab part should be performed in Visual Studio and paste output screenshot in word file. The title of your output should be your roll number. If you failed to produce or attach the output and only code will be

Q2 Draw a simple polygon and a complex polygon given below using OpenGL primitive shapes (5) FA,Note Lab part should be performed in Visual Studio and paste output screenshot in word file. The title of your output should be your roll number. If you failed to produce or attach the output and only code will be provided then marks will be deducted

Is the set S = { k such that |W k | < 99 } an r.e. set? Is it recursive? Prove both.

Differentiate between Environment and State with respect to the dynamic and static situation.

Write a C program to find the area and perimeter of a rectangle. area lengthwidth perimeter2(lengthwidth) Note This program should use pointers (new). You have to deallocate the memory using delete operator. Check your program that it should not have memory leaks or bad memorycheap memory. Use valgrind to check the memory leaks. See the commands

The file CEREALS contains the calories, carbohydrates, and sugar, in grams, in one serving of seven breakfast cereals. a. Perform a multidimensional scaling analysis on the cereals based on the calories, carbohydrates, and sugar in grams. b. What conclusions can you reach about which cereals are most similar

Draw CMOS NAND gate lake these CMOS nor gate but it in parallel instead of series

123 74 e 01 Image Word 11 NMOS AND GATE Tap to view in fullscreen CMOS NAND Gate CMOS NOR GATE WE Rotate Markup Extract Text Signature Note

Find any 3 research papers related to the topic Parking Management system using 8086 microprocessor. The research papers should be after year 2019 and above. Paste the proper link with abstract.

Your program allows users to enter a string o (with maximum length of 100 characters). The system prints out the string with all uppercase letters. Below is an example 0HELLO helLO OUTPUT HELLO Press any key to continue Question 5 (1 mark, file to be edited Q5.c) Your program allows users to enter a string s (length of s 100 characters).

What is minimum number of key for a non root node in B+ tree of order 8?

Consider the following set of molecules NF3, BaF2, CH4 Choose the correct option ANF and BaF, are ionic CH is covalent compound B) All are covalent compounds All are ionic compounds NF and CH are covalent BaF is ionic compound

Explain Ideology of Pakistan in detail.

what are the various issues in server consolidation

9. A rectangular rock sample of 6x6x12 cm is loaded by brash platens consisting of many steal wires (see figure below). The total force is 72 kN. Determine, in the simplest possible way, the principal directions and principal stresses. (Neglect the bending resistance of wires.) Determine, in the simplest possible way, principal strains and

Consider the following Audiology data set and implement Naive Bayes Classifier to classify the decision attribute httpsarchive.ics.uci.edumldatasetsAudiology2 8Original29

Write a R program or python for text classication using Naive Bayes classifier Reference links 1) httpstowardsdatascience.comtextclassificationus ingnaivebayestheoryaworkingexample2ef4b7eb 7d5a 2) httpsmedium.comanalyticsvidhyanaivebayescla ssifierfortextclassification556fabaf252b

(d) Consider the directed graph shown in Figure Q2(d), S is the start state and G1,G2, G3 are 3 goal states. When traversing the graph, one can move only in the direction indicated by the arrows. The numbers on the edges indicate the stepcost for traversing that edge. The numbers in the nodes represent the estimated cost to the nearest goal state.

Write a C++ program for this with a clear comment and algorithms

Implement the queue data structure using arrays of size 10 with the following functions Enqueue () add 2,3,4,5,6,7,8 to the queue Dequeue () remove 2 elements isFull() check if the queue is full isEmpty() check if the queue is empty display() display the elements of the queue Implement the application of stacks which checks for balanced

Allie has bought a new apple orchard. The orchard has a single file of trees, numbered from 1 to N. Each tree has a certail number of ripe apples. Allie has a rule she wants to follow. She wants to pluck an equal amount apples from each tree from which sbhe collect apples. Allie can start collecting apples from any tree, but once she starts

Assume, that a speed camera records the speed of passing cars and saves the measurements in a text file. The speed of each car is measured in kilometres per hour. A single row in the file contains a car registration number, a date when the speed has been measured and the speed of a car with the recorded registration number. The values are always

Write a java program for overloaded function calculate() with following function definitions. void calculate(int x, int y ) to calculate the sum of all even numbers from x till y and print the sum . void calculate(char a,char n) to print all vowels from variable a to n if any void calculate(int x, int y, int z) to print the middle number from

Construct a method which can calculate square value of number Hints Using the operator

Make use of python builtin functions to print some Python builtin functions documents, such as abs(), int(), rawinput() And add document for your own function Hints The builtin document method is doc

1. Demonstrate a sequence of instruction for SIC to set BETA ALPHA INCR1 DELTA GAMMA INCR1 2. Illustrate how the same calculation could be performed on SICXE.

rev The National Academy of Science reported that 37 of research in mathematics is published by US authors. The mathematics chairperson of a prestigious university wishes to test the claim that this percentage is no longer 37 . He has no indication of whether the percentage has increased or decreased since that time. He surveys a simple random

Select whether the listed item is a challenge A) only for MC designs, B) only for pipelined designs, C) for both, D) for neither. Area, power, and critical path overheads due to saving state between cycles Choose Indivisible hardware resources with Choose higher latencies than other resources Fraction of workload consisting of Choose

Consider an initial singlecycle MIPS processor with a cycletime of 1600ps and a multicycle design with the following properties 1) a cycle time of 200ps. 2) instruction memory access takes 2 cycles 3) data memory access takes 5 cycles 4) ALU computation takes 1 cycle 6) Register file access takes 1 cycle per read and 1 cycle per write and can only

Write a Summary of Research Paper. Describe it in your own words. Research Paper: Pattern Based Model Reuse Using Colored Petri Nets Check out this given link for research paper : https://www.researchgate.net/publication/336258553_Pattern_Based_Model_Reuse_Using_Colored_Petri_Nets

Discuss any hierarcy of any businesses organization with its flow chart

In one elicitation activity, you interviewed a small group of Event Managers to find out how they currently share signed contracts with their event team. This is a use case that you feel should be fully explored. As vendors are hired for each event (caterers, venue, equipment rental, etc.), contracts are drawn up and signed by both the Event

Construct a method which can calculate square value of number Hints Using the Make use of python builtin functions to print some Python builtin functions documents, such as abs(), int(), rawinput() And add document for your own function operator Hints The builtin document method is doc 2. 3.

Make use of python builtin functions to print some Python builtin functions documents, such as abs(), int(), rawinput() And add document for your own function Hints The builtin document method is doe 3.

Make use of python builtin functions to print some Python builtin functions documents, such as abs(), int(), rawinput() And add document for your own function Hints The builtin document method is doc

Discuss a particular type of Malware and how has it been used in today's news (within the past 5 years) and the respective impact on cybersecurity. Add to your discussion ways the Malware could have been detected and potentially avoided. Examples may be researched through internet sources, journals, or peer-reviewed literature. You may select any

dy What is the specific solution to the differential equation y 1 such that dx when x 0, y 2 A B C ye 1 y1 y1e

A 40-year-old man presents with complaints of chest pain, rating the pain as a 9 on a 10-point scale. He states that the pain began suddenly about 30 minutes before arriving to the emergency department. He states that he cannot do anything to relieve the pain and describes it as crushing. The patient states he visited his doctor 4 days earlier

Write the equation of the plane through point (1,2,1) and contains the intersection o plane xyz2 (2x y 3z 1.

1. Akib and Rakib are two students from same class. One day both of them faced a huge problem, Their teacher asked them to write summation code using Python. They both decide to call the python summation()add() library to add two numbers. For using built in library their teacher got angry. He later assigned them a new task, to perform the same

Consider the following 4-table-join query: USE Northwind; SELECT S.ShipperID ,S.CompanyName ,O.OrderID ,O.ShippedDate ,EMP.EmployeeID ,EMP.LastName ,O.CustomerID ,C.CompanyName FROM Shippers AS S INNER JOIN Orders AS O ON O.SHIPVIA = S.ShipperID INNER JOIN Employees AS EMP ON EMP.EmployeeID = O.EmployeeID INNER JOIN Customers AS C ON C.CustomerID

FKCustomerCustomerDemoCustomers FK CustomerCustomer Demo Customers 8 Customer D CompanyName ContactName Contact Title Address City Region PostalCode Country Phone Fax CustomerCustomerDemo 8 Customer D 8 CustomerTypeID CustomerDemographics 8 CustomerTypeID CustomerDesc Order Details 8 Order D 8 ProductID UnitPrice Quantity Discount FK Order Details

The development process (1) Required Product Testing Meets specs Define specifications Prototype implementation Initial design The development process (2) yes Simulation Design Correct no no Make corrections yes Minor errors Finished Redesign no Redesign QUESTION Think of a project, write, evaluate and apply into a development process.

Consider an ATM system that allows to authenticate a user via a valid card and a valid PIN o reenter a PIN twice in case of incorrect PIN inquire balance withdrawn a valid amount of cash print a receipt transfer balance to other account Draw a transition system and enlist set of states S, set of actions A and set of transitions T.

1. You are to sort a list L consisting of a sorted list followed by a few "random" elements. Which of sorting methods would be especially suitable for such a task? Explain your reason. 2. Which searching technique/s takes O (1) time to find a data. Give reasons.

7. Merging 4 sorted files containing 50, 10, 25 and 15 records will take O (100) time. Explain. 8. In worst case Quick Sort has O (n2) order. Explain. 9. The quick sort algorithm exploit divide and conquer design technique. Describe how it is done.

Hansel and Gretel are twins. Gretel goes to a star which is 65 light years away with a constant velocity plane ( vc) 0,88. Every birthday, the two do not forget to send each other radio signals, while delivering brief news. If both of them were initially 20 years old, how old were each (Hansel and Gretel) when Gretel returned to earth. Draw a

Given a k confidence interval for u is 34.15,36.25. Find the value of (1) the unbiased point estimator for the population mean, . (ii) the margin of error, E. ) Determine the minimum sample size for 99 confidence interval for u if the error is within 2 units of the population mean. Assume a 3.8

Find the derivatives of the following functions (i) f(x) 4xx 3 (ii) f(x) x x

Seminar topic is Big data in urban surveillance system. 1) Exisiting System i) Advantages ii)Disadvantages 2) Feasibility Study 3)Methodology 1 4)Methodology

Explain all the applications of Regular Expression with examples.

Consider a database with information about the courses offered in a department. Compute the following query to get a desired result Class ID900003 OR Class CategoryComputer Science OR (credits 2 AND Instructor ID220387) Class ID Class Name Class Category Credits Instructor ID Classroom 900001 Advanced Calculus Math 220087 2201 900002 Advanced

Consider a simplified version of bucketsort. You are given an array A of n random integers in the range 1...r as input. The output data consist of r buckets, such that at the end of the algorithm, Bucket i contains indices of all the elements in A that are equal to i. i. ii. iii. Describe a decomposition based on partitioning the input data (i.e.,

There are 100 points in a 2-D area. All points are uniformly spaced. What is the expected result from running DBSCAN on this data.

What are main differences between projects for Software Development and Data Mining?

Compare relative strengths of statistical outlier detection and Density based outlier detection.

Consider the plotted dataset given below and perform the following if we perform DBSCAN on the data with Eps=2, What is the minimum number of clusters created (irrespective of Minpts value)? Provide crisp, point-wise justification. and Repeat the step i with Eps=1.5.

10 9 8 7 6 10 5 4 3 2 1 1 P 9 V a h 1.0 2 3 4 5 d k 6 4 W 7 I 8 9 10 m 11 9 12 13 n 14 15 16 17

Your colleague has performed frequent pattern mining on a transaction database and reported that sets of frequent itemsets, closed frequent itemsets, and maximal frequent itemsets are coming out to be the same. Briefly explain the situation.

Assume the sentence of strings HOW ARE YOU is stored in the memory. Write the ALP to find out whether the following strings are in the memory or not. If the string is not found, find out the reason. i) string1 AR ii) string2 RE write proper code and flowchart

The analog signal x(t)2sin 480nt 3sin 720 nt. Calculate i. Minimum sampling rate to avoid aliasing. ii. If the signal is sampled at Fs 200 MHz what is the discrete signal after sampling. iii, If the signal is sampled at F, 75 Hz. What is the discrete signal after sampling.

4. Determine the values of power and energy of the following signals. Find whether the signals are power or energy signal. a) xn el) n20 b) xn 3 n 0

Find halfrange cosine series of the function f(x) 1,0

An equal tangent parabolic vertical sag curve is to be placed between two successive design formation grades of -3.5% and +4.5% which intersect at a chainage of 600m at a Reduced Level of 35.5m. The length of the curve is 200 m. Calculate the road design levels at 20m intervals for each of the chainages including the lowest point (RL and chainage)

7. Merging 4 sorted files containing 50, 10, 25 and 15 records will take O (100) time. Explain. 8. In worst case Quick Sort has O (n2) order. Explain. 9. The quick sort algorithm exploit divide and conquer design technique. Describe how it is done.

10. What is the total number of companions required to merge 4 sorted files containing 15, 3, 9 and 8 records into a single sorted file 11. Which sorting algorithms does not have a worstcase running time of O(n2) 12. State and explain the complexity of searching an element from a set of n elements using Binary search algorithm.

1. Which searching technique/s takes O (1) time to find a data. Give reasons. 2. The quick sort algorithm exploit divide and conquer design technique. Describe how it is done. 3. State and explain the complexity of searching an element from a set of n elements using Binary search algorithm.

1. The quick sort algorithm exploit divide and conquer design technique. Describe how it is done. 2. What is the total number of companions required to merge 4 sorted files containing 15, 3, 9 and 8 records into a single sorted file?

For the triangle shown, a 200 mm, b 250 mm, and e 300 mm. Define a, b, and e as varnables, and then (a) Caleulate the angle y (in degrees) by substituting the variables in the Law of Cosines. (Law of Cosines c a b 2abcosy) (b) Calculate the radius r of the circle inscribed in the triangle using the formula r abctan( (c) Caleulate the radius

2. The input to a casual liner time invariant system is xn un1 G uln 1 1 The ztransform of the output of this system is Y(z) 3D i) Determine H(z) the ztransform of the system impulse response. ii) What is the region of convergence for Y(z) iii) Determine yn).

Consider a casual liner timeinvariant system whose system function is H(z) 3D Draw the signal flow graphs for implementation of the system in following forms. i)Direct Form I ii) Direct Form II iii) Transposed Direct Form II

Give two practical and theoretical examples of the following 1. Binary search 2. Quick sort

Compare the performance of binary search and quick sort.

5. What is the postfix form of the expression (A B)(CD E)F G 6. What is the postfix form of the following prefix expression ABCDE

Study about a full virtualization based hypervisor and explain its working and architecture. (Please must explain full virtualization based hypervisor WORKING architecture)

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Study about any one public cloud or cloud implementation tool and discuss resource allocation policies used by data centers.

Study about any one public cloud or cloud implementation tool and discuss resource allocation policies used by data centers.

Study about any one public cloud or cloud implementation tool and discuss fault tolerance mechanisms used by data centers.

Study about a paravirtualization based hypervisor and explain its working and architecture.in cloud computing.

Print the Gantt chart. Write a program to simulate SJF CPU scheduling algorithm. (both in preemptive mode and non preemptive mode) I. II. Print waiting time, completion turnaround time in tabular time and Input N (no. of processes), N by 3 matrix in which the first column represents the process ID (process ID must equal the row number of this

I. allocated to which process in tabular format in which 2. Print which block is Write a program to simulate the worst fit contiguous memory allocation technique. the column name could be Input N (no. of processes), M (no. of memory blocks), An array of N space separated integers, each denoting the size of the process and index of the array

Write a program to simulate Round Robin CPU scheduling algorithm. I. Print the Gantt chart. II. Print waiting time time, and completion turnaround time in tabular Input N (no. of processes), Q (Time quantum), N by 3 matrix in which the first column represents the process ID (process ID must equal the row number of this matrix), the second column

Write in c++ programming language with comments Implement the binary search algorithm. Make your program interactive. Implement Selection sort, insertion sort, and merge sort. Add the advantages of each and their time complexity as comments in your code Bonus: Implement the quick sort algorithm.

Write in c++ programming language Implement Selection sort, insertion sort and merge sort. Add the advantages of each and their time complexity as comments in your code

Implement the following sorting algorithms using c++ programming language Type the codes here Selection sort insertion sort merge sort. quick sort NB: Add the advantages of each and their time complexity as a comments in your codes

3. Perform binary floating point addition on the numbers 0.510 and 0.437510 and represent the result in 32 bit single precision format.