Computer Engineering Questions and Answers May 29, 2021

Given the following confusing matrix a) Fill in the following table with the right values from the confusion matrix above TP FN b) Find the Precision and the recall using Precision TP TPFP Precision Recall E Actual and Recall Predictions 9 TP TPFN 3 1 7

I have a box #box with width: 100%, height: 100%, padding: 5px, margin: 5px; border: 5px; I need in HTML5 layout correctly display that. Now I have that: But i need fit block in body area. Code: Text will be here

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What will be the values of these variables after executing the following code int array new int10 int ptr array for (int i0 i 10 i) ptr i ptr array will have garbage and ptr will have value 9. array will have values 0 through 9 and ptr will point to a memory address beyond array9. Both array and ptr will point to the same area containing

SPSCL is an experimental group of programming languages. SPSCL can be used as a higher-level language for a wide variety of applications; from low-level programming for embedded systems to FinTech applications. The SPSCL language is described in a preliminary informal form, and a language processor has been implemented that translates an SPSCL

Inverse the following P-box table.

4 11 9 3 5 1 95 7 7 10 10 8 2 12 6

The 5digits decimal number (72943)10 is to be multiplied by the 1digit decimal number (7)10. The digits of both numbers are coded as unpacked BCD. Write an instruction sequence to a. Define a data segment that contain the unpacked BCD digits of the multiplicand starting at offset 0400H. b. Perform the multiplication of the number by the 1digit

Define Depth first iterative Deeping and solve the given problem. 8 6. 9. 12 4 10 11

The content of different registers is given below, OFFSET 1A00H, AX 1000H, BX 2090H, DI 4A00H, BP 5000H, SP 6B00H, CS 0100H, DS 1300H, SS2000H, IP 5000H. Organize the execution of each instruction mentioned below by mentioning the name of the address mode and by calculating physical address. i. MOV AX, 1A00H ii. 111. MOV AX, BX SI 1A00H MOV

Compare various processors of AMD and intel and suggest a better processor for Multimedia computations.

Buld CLR poring fom the following goammon E ETT F CE) id

Write a program in assembly language that takes as input the length of 3 sides of a triangle and check whether a valid triangle can be formed or not. If the sides form a triangle, print "Y", otherwise print "N".rr

Insert a PivotChart using the Pie chart type based on the data. Place the upper-left corner of the chart inside cell I22. Format the Legend of the chart to appear at the bottom of the chart area. Format the Data Labels to appear on the Outside end of the chart. Note, Mac users, select the range I18:J20, on the Insert tab, click Recommended Charts,

Beta Manufacturing March Transactions Search Results Category Quantity Results Item Quantity Payment Type 8 Credit 3003 5005 4 Financed Credit 1 10 Financed 6 Credit 5 Credit 5005 5005 1001 5005 1001 5005 2002 4004 5 Credit 3 Credit 1 Financed 4 Financed 9 8 2002 3003 1001 2002 Financed Credit 9 Financed 8 Financed Trans 30038C Date Trans 312018

Restaurant Bill Quantity Add item Menu item Total Bl Price Price 6.99 1.25 Menu iterm Quantity 2 Lunch special Apple pie Total cost 51648 ,Develop an app that calculates a restaurant bill. The user should be able to enter the item ordered, the quantity of the item ordered and the price per item. When the user clicks the Add Item Button , your app

Consider two processors that are identical except that one has an MMU that uses a singlelevel page table and the other has an MMU with a twolevel page table. The Translation Lookaside Buffer (TLB) works identically in both cases. The same program is run with the same input on each. Explain why a switch between user processes results in a

A microprocessor has an on-chip 2-way set associative cache with a total capacity of 8 KB. Each line in cache can store sixteen 8-bit words. It has a total addressable space of 16 MB. Consider the following CPU instruction; LOAD AB1234h Which set number will this request be stored in cache? What will be its corresponding tag number? If the

a) The following set of numbers require sorting into the correct ascending order 15 32 4 25 67 84 97 40 29 70 51 12 39 78 5 i. The four proposed methods for sorting are bubble, shuttle, shell, and quick sort. Which methods are the most appropriate for sorting these numbers Give a reason for your answer. ii. Using one of your chosen methods, sort

Computer Science using Python 1. (20pts) You are going to use the Pandas library (module) to study some data. (At the end of this document you will find the link to the documentation ) (a) You are going to choose some data (can be created by yourself) in Excel the minimum should be 5 rows and 5 columns of data. Note: Each student must have their

Q: It is always challenging to decide when to stop testing. Testing exit criteria can be decided either formally or informally. You are required to write a minimum of 2500 words on testing exit criteria. A plagiarism report with a plagiarism value up to 15% is required to attach with your submission.

Insert the following data into your database separating it appropriately into the make and model tables and setting the make_id foreign key to link each model to its corresponding make. make model Mercury Milan AWD FFV Mercury Milan FFV Mercury Milan FWD Volkswagen Jetta III Volkswagen Jetta III GLX Here is the structure of the tables you will

Exhibit C Annual Labor Budget Annual Labor Budget with 2020 Actuals 2021 Budget Employee Expenses Manager (50) Coordinator Administrative Assistant Volunteer Assistant New Salary Totals Benefits Manager (50) Coordinator Administrative Assistant Volunteer Assistant New Benefits Totals Labor Budget Total 2020 Actuals 32,500 55,000 41,000 128,500

Q: Given Email B with its feature vector. Compute the probability of email B being spam and ham using Nave bayes algorithm and then finally assign class label (spam or ham). P(spam) = 0.65 Email B = < 0, 1, 1, 1 >, = < count(meeting), count(enron), count(dating), count(hi) > P (meeting | spam) = 0.6, P (meeting | ham) = 0.02 P (enron |

Q3 What is the address field of an indexed addressing mode instruction in order to make it the same as a register indirect mode instruction

Q2 For a microinstruction that has a 15bit microoperation filed and is divided into three subfields, what is the maximum number of microoperations that can be specified in this microinstruction

Q1 For a system that connects 33 CPU registers with an ALU which has 35 operations, the possible size of the control word that handles such system is 21 O 24 O 15 O 18 O none of the answers O

Where can I buy Lentiviral Transfection Reagent (BT-000028) https://transfection.bocsci.com/product/lentiviral-transfection-reagent-338867.html

In case of pressing button which method can be used to determine the button pressed for the event ?? a. getID() b. getEvent() c. getEventObject() d. getSource()

Write a research paper on the topic " the ethics of software engineering should be ethics for client"

What is national post?

The voltage across the 16 ohm resistor in the circuit in Fig. P2.10 is 80 V, positive at the upper terminal. a.) Find the power dissipated in each resistor.

The voltage across the 16 O resistor in the circuit in Fig. P2.10 is 80 V, positive at the upper terminal. a.) Find the power dissipated in each resistor. b.) Find the power supplied by the 125 V ideal voltage source. c.) Verify that the total power supplied equals the total power dissipated.

Figure P2.25 125 V , m 300 80 V 15 16

2.28 a) Find the voltage v, in the circuit in Fig. P2.28. PSPICE b) Show that the total power generated in the cir cuit equals the total power absorbed. MULTISIM Figure P2.28 0.8 V 29 i 500 10 www Vy 15.2 V 25 V 200

Write the next four numbers in this hex counting sequence: E9A, E9B, E9C, E9D, _____, _____, _____, _____. Instruction: You have to show the complete procedure, not the answers only.

What is the weight of the MSB of a 16-bit number? Instruction: You have to show the complete procedure, not the answers only.

Convert decimal 378 to a 16-bit binary number by first converting to hexadecimal. Instruction: You have to show the complete procedure, not the answers only.

Q: Consider a 4 seat car (seats are A, B, C, and D). The car has three AC vent (X, Y, and Z), as shown in figure below. Write a truth table, mathematical expression and design a schematic diagram for the following scenarios: If there is a person on seat A then turn on the AC vent X , otherwise off. If there is a person on seat B then turn on the

X

Thinkabout the system that handles student admissionsat your university. The primary function of the systemshould be able to track a student from the request forinformation through the admissions process until thenstudent is either admitted to the school or rejected. 1. Create a use-case diagram that can describe anAdmit Student use case.Assume

FOR THE TOPIC BELOW, WRITE A REPORT ON IT TO DESIGN THE SYSTEM TOPIC: Design and implementation of Distance or Speed measurement system for a car. USE THE FOLLOWING PROCEDURES FOR THE REPORT AND INCLUDE ANY DETAILS. PROTEUS SIMULATIONS SHOULD BE ADDED TO IMPLEMENT THE SYSTEM CREATED. PROCEDUERS FOR THE REPORT:

Technical Report The technical report should contain, in proper detail, the content from the presentation slides. Additionally, it should cover the following the problem or project, description of operation, relevance, domain knowledge, a discussion of the implementation, test, results and observation and the feasibility. The technical report will

Draw the following function using the Logic.ly simulator and determine the truth table. Y = A'B' + A(B+C)' Notes: - Write problem statement, theoretical explanation of solution, circuit diagram, and output in the lab report.

Find V1 And V2 In The Circuit In Fig. P3.30using Voltage And/Or Current Division.

3.30 Find and 2 in the circuit in Fig. P3.30 using volt PSPICE age andor current division. MULTISIN Figure P3.30 600 90 22 ww 3 V 02 3002 150 5 4002 750

Activity 9: Real Challenge Thinking of Illustrative project. In the figure below think about what could be the best idea to apply software and hardware concepts for team productivity list down the possible ideas to have productivity development. Explain your concept.

Return hot water Flow Pump Flow Collectors mounted on roof Hot water outlet Relief valve I Booster element Cold water inlet Storage tank at floor level

How many workers do I need for a project that takes 20 days, with the first 3 reserved days for training? There are 20 walls to build, and 50 walls to paint. The painting will only be done once the walls are built. It takes one worker 2 walls to build per day and 3 walls to paint per day. 10% of the walls will need to be repainted. One worker is

3.26 Find v, in the circuit in Fig. P3.26. PSPICE MULTISIM. Figure P3.26 10 18 mA 2 ww 15 4 33 12

3.21 Specify the resistors in the currentdivider circuit in DESIGN Fig. P3.21 to meet the following design criteria PROBLEM ig 50 mA vg 25 V i 0.612, i3 2i2 and i4 4i. i R2 R 13R3 14 R4 Figure P3.21 ig Vg

Question 1 Solve the following heat equation dudu 0 0 c subject to the boundary conditions du (1.1) ou (0.1) ax 0, ) ab1ju(5,1)d5bu(1 a,b0 ax and the initial condition u(x,0)0, 0

Find the equivalent resistance Rab for each of the circuits in Fig. P3.6.

3.6 Find the equivalent resistance Rab for each of the PSPICE circuits in Fig. P3.6. MULTISIM Figure P3.6 140 30 (2 12 0 m www m 15 02 24 2 102 350 ww w ww ww 25 02 ww 120 702 ww (a) 600 200 300 50 m 90 m 18 ww 60 10 m (b) 755 50 N 200 www 400 50 30 2002 30 (2 ww m a b 202 (c) 12 27 0 m 2402

2.24 The currents in and is in the circuit in Fig. P2.24 are 20 A and 15 A, respectively. a) Find the power supplied by each voltage source. b) Show that the total power supplied equals the total power dissipated in the resistors. Figure P2.24 202 230 V i8n 4 www 80 260 V in 160 202

int dataN int compute variance () ( int sumi 0, sum20, result int i for(i0i Ni) ( suml datai 1 suml sumi N for (i 0 i Ni) ( sum2 datai datai 1 sum2 sum2 N result (sum2 suml sumi) return result 6. Consider the function compute variance listed above that computes the variance of integer numbers stored in the integer array called data Consider

1. For the graph given below perform the following tasks S A B D free T R a. Perform a graph traversing strategy that is used to detect cycles in a graph. You can start traversing from vertex A. b. Perform topological sort on the given graph and display the order of the vertices. c. Find out all the strongly connected components of the given graph.

Use the node voltage method to find the value of Vo in the circuit in Figure 2.24

10 50 w 4.24 Use the nodevoltage method to find the value of v PSPICE in the circuit in Fig. P4.24. MULTITIM Figure P4.24 500 MU w 28 Fi 50 V 500 750 mA 200 H 4.25 Use the nodevoltage method to find the value of u PSPICE in the circuit in Fig. P4.25. HULFISIM Figure P4.25 20 m IN 7A 4 V that we can improve your experience. 80 0 m 40 0 m 30 w 12

4.13 a) Use the nodevoltage method to find v, v2, and v3 in the circuit in Fig. P4.13. PSPICE MULTISH b) How much power does the 40 V voltage source deliver to the circuit Figure P4.13 202 W 40 V 1400212 402 ( 28 A U3 3 10

The circuit shown in Fig. P4.12 is a dc model of a residential power distribution circuit. a) Use the node-voltage method to find the branch currents i1 - i6

Figure P4.12 125 VI 125 V 1 2 1 www 6 15 12 is in 324

Suppose Alice wants her friends to encrypt email messages before sending them to her. Computers represent text as long numbers (01 for A, 02 for B and so on), so an email message is just a very big number. The RSA Encryption Scheme is often used to encrypt and then decrypt electronic communications. General Alices Setup Chooses two prime numbers.

You are to write a program that will find a root of a cubic polynomial. A cubic polynomial is of the form: You should write a program that takes in the coefficients of the polynomial: A, B, C, and D, along with a bound on one single root: a , b . The user should be expected to input a and b such that a < b and there is exactly one single root

f(x) Ax Bx Cx D 3 2,f(x) Ax Bx Cx D 3 2

3) IP and Ethernet offer a connectionless service to the upper layer that makes use of them. (a) If the upper layer sends two small SDUs to IP or Ethernet, would IP or Ethernet aggregate the two small SDUs into one PDU for delivery in order to reduce the header overhead Explain your answer. (b) Based on your answer in (a). Answer the following

A.Use the mesh current method find the branch currents iaie for the circuit shown in the figure.(figure 1) B. Check your solution by showing that the total power developed equals the total power dissipated.

b) Check your solution by showing that the total power developed in the circuit equals the total power dissipated. 200 V 10 lb 25 10 4.3 id 3.50 100

DCU is an ultrasonic level sensor in. This sensor requires a 24 VDC supply voltage. The out of the or with operating range of 10 in to 138 sensor is a current between 4 to 20 mA. a. Interface this sensor to an Arduino (8 points). Name b. Find the output voltage corresponds to a distance of 100 in (8 points). c. What value will the Arduino read for

Use a Karnaugh map to reduce each expression to a minimum SOP form: (a) A + BC + CD (b) AB + AB CD + CD + BCD + ABCD

Design a Binary coded decimal (BCD) to excess-4 code converter according to the following specifications. The code converter takes in the BCD number and adds the binary value-4 to it to produce the corresponding excess-4 code. Provide answers to the following questions: a. Looking at the level 0 design, identify the number of inputs going into the

1. A student named Aaman currently knows that HTTP is a basis for data communication on CO2 the internet. And the data communication starts with a request sent from a client and ends with the response received from a web server. He has seen two examples of start lines for HTTP requests and HTTP responses but he could not identify which one is the

Learning outcomes Illustrate problem specifications using flowcharts and Pseudocode. Explain the basic principles of algorithms and programming language. Write snippets using variables, different data types, inputs, and outputs. Analyze the outputs of code snippets. Apply modularity, repetition, and decisions to design functioning programs

1. Provide what your overall individual design project is. Designing a servocontrolled Eye tracking system programmed on Raspberry Pi and eye action (such as backward, forward, backward, up, and down movements) controlled by servo motors. 2. Indicate the individual design tasks, and other technical tasks, associated with your individual design

Procedure Write a MATLAB code to 1plot the graph of the function f(x)f(x) x 4x 10 0. Plot the function in the interval 0,5. 2.Find a root of the function using x11. Perform the iterations of the NewtonRaphson method. Solution 1 2 3 4 5 6 789GAG ROOT FINDING USING NEWTONRAPHSON METHOD 10 11 12 13 14 15 16 17 18 19 20 21 clear clc first step

1. Suppose we want to transmit the message 1010101010 and protect it from errors using the CRC polynomial x4 + x + 1. Use polynomial long division to determine the message that should be transmitted. Note: this is a question about error detection in packets sent via networks.

Why do IoT systems have to be self-adapting and self-configuring (please give your own thoughts. don't copy through Google.)

3. Develop a Generic Set class to perform mathematical set operations union, intersect, and find operations on set of objects limited to numerical values. Union performs union of two sets. Intersect performs intersection of two sets. Find it returns a Boolean value to refer whether particular object is in set or not Note All elements in the set

Let G be a contextfree grammar on alphabet a, , and the following production rules (a) (5 points) Specify the parse tree and leftmost derivation each of the strings ((a)) and (aa a) (a aa). (b) (10 points) Formally prove that G is unambiguous. 2. (10 points) Convert the following CFG into an equivalent CFG in CNF. Show theintermediate steps.

The purpose of assignment is to assess students on the following Learning Outcomes: LO1: Describe and apply project management principles to implement a complete IT project lifecycle LO2: Prepare a comprehensive and detailed project plan, including project initiation and scope definition LO3: Analyse the key features and processes required to

Please write in HCS12 assembly code! 5. The following assembly code will allow you to turn on the LEDS by writing to PORTB, and read the values on the DIP switches by accessing PTH (PORT H). ;Configure LEDS MOVB #$FF, DDRB ;output mode for all 8 bits of portB MOVB #$02, DDRJ ;PJ1 must be set to 0 BCLR PRTJ, #$02 ; clear bitl of port J (set to 0)

What is the size of the memory address space in the following microprocessor U4 ooooooOO 0 00000000 16 15 14 RUINWIGA 13 12 11 D4 10 19 9 O TT O 18 33 INTR 17 MX 22 NMI 31 READY 30 ROGTO 21 RQGT1 23 RST TEST 7488823 2 38888888 C 8088 4K X 8 2222222 220x8 AD A1 A2 A3 A4 A5 AB A7 A9 A10 A11 A12 A13 A14 A15 A16 A17 None of the above A18 A19 10M 2 6

Please provide sql script for following You were just hired as a new junior Oracle database administrator (DBA) to assist a team of five senior database administrators. In your first week, a new employee (Mr. John Smith) hired by the IT department, you were handed the task of creating DB accesses for this employee. Please write a script for

For the borrow pit grid shown in the figure, compute the excavated volume, in m. The depths of cut at the grid points are given in the field. (30) The depths of cut (m) A0 Al BI A2 B2 A3 A4 3.6 4.3 4.2 4.5 3.5 B3 B4 20m 3.4 0.6 2.0 2.1 1.7 A 20m B CO CI C2 C3 C4 C 4.6 4.8 1.2 1.4 1.5 D DO DI D2 D3 2.2 2.5 2.6 3.0 EO El NE 89 2.0 2.0

Write a function myabs (value) that returns the absolute value of value, without using the builtin abs function in Python. You are required to use an if statement for this question. For example Test print (myabs (3.5)) 3.5 print (myabs(7)) 7 Result

Make a biscuits factory management by using java Language. Implement the program using four principles of java Inheritance, polymorphism, abstraction, and incapsulation. While implementing the program use search, insert, and delete in an unsorted array. Explain how the program works.

2.6 a. The Hebb rule is sometimes used by converting the binary training patterns (inputs and targets) to bipolar form to find the weight matrix. Apply this procedure to find the weights to store the following classifications s(1) (1, 0, 1) s(2) (1, 1, 0) b. Using the binary step function (with threshold 0) as the output units activation function,

Analyze the given program in which the value stored in 1000H is ABH. (i) Write the values of the registers after the execution of each instruction. (ii) Find the value stored in the memory location 41H after the execution of the program. (iii) What will be the status of flag bits of PSW after executing the program by changing the value of R4 from

Identify two to three (23) information technology tools that affect privacy. Next, discuss the main way in which one would use the tools that you have identified to commit computer crimes. Provide a rationale to support your response.

1. Technology Intelligence is defended as the capture and delivery of technological information as part of the process. Shed light on importance of this step in the phase of technology identification. Also identify the sources to capture data about emerging technologies. 57 2. Identifying customer needs and requirements is one of the most

Explain the extent to which encryption, user privileges, and audits can secure a database.

42 2 Q Evaluate SS xy dydx 21

Using Dikjstras algorithm calculate the best path to reach the following destination LAN 2 and LAN 5 from Router3, Router4, Router6 and Router 7 LAN 3 LAN 6 Fa10 Router3 Fa00 7 Fao Fa10 Router6 5 8 4 LAN 1 LAN 4 Fa00 Fa00 Fa10 Router1 Fa10 Fa00r4 Fa10, Router7 2 2 3 LAN 7 Fa00 Fa10 Fa10er2 Fa00 5 Router5 LAN 2 LAN 5

Define cyber forensics and explain where and what type of evidence can be identified and collected from digital devices Analyze and explain different operating systems in relation to their file handling system. Explain the difference between FAT and NTFS filing system.

Question 1 (80 marks) Foreigner guide software is responsible for viewing and recommending various places. In the process of designing and developing such software you as part of the development team are required to Phase 1 (50 marks) Implement a RESTful Web Service with appropriate annotations to add locations of restaurant, hotel, museum, etc.

7.6 The two switches in the circuit seen in Fig. P7.6 are synchronized. The switches have been closed for a long time before opening at t 0. 01 a) How many microseconds after the switches are open is the energy dissipated in the 4 kn resis tor 10 of the initial energy stored in the 6 H inductor b) At the time calculated in (a), what percentage of

7.20 The 240 V, 22 source in the circuit in Fig. P7.20 is inadvertently shortcircuited at its terminals a, b. At MULTISIM the time the fault occurs, the circuit has been in operation for a long time. PSPICE a) What is the initial value of the current iab in the shortcircuit connection between terminals a, b b) What is the final value of the

Exercise 1: Two frameworks (Zachman Framework and TAGOF Framework) Write each one on a page. Exercise 2: As a system user or user for the unit selection system 1. Design a context diagram for it. 2. Have one or more Ishikawa diagrams and say what are the system problems? And how can the problems be solved? Exercise 3: Designing a Usecase Diagram

Create a program that will register the username and password of a user. The password should be confirmed with a confirm password field and after registering the credentials, it should reflect to a JTable.Name your Java file as Final Exam.java.

In which phase or phases of the Unified Model of software development would you do design and analysis activities?

Challenge One (Extended Star Topology Network) In this challenge, you build an extended star network in which the computers are connected in a physical star; the computers form the outer arms of the extended star. Build the network with as much equipment as you have available, distributing computers evenly around the outer edges of the extended

Draw a layered diagram to relate the construction of IaaS, PaaS, and SaaS clouds from bare machine hardware to the user's applications. Briefly list the representative cloud service offerings at each cloud layer from the major cloud providers that you know of.

Use unix or linux terminal to solve This inlab assignment is to help you understand system call fork(). Part I: Please type(you can use any editor such as vi), compile and run the following Unix program. Please submit the program and running result. /* * This program forks a separate process using the fork()/exec() system calls. */ #include

Encode this code snippet into ARMv8 machine code. Use binary (base 2) to write your encoded instructions, one per line. Carefully count bits in your output If you omit a bit in an otherwise correct answer, you will not receive full credit. Youre welcome to put spaces in your output to help you count or keep fields straight. For instance, the first

Your customer provided the following information of existing endpoints and Web requirements. Your project is to design a SOHO network for this real estate agent. Your design network map, descriptions of network design, list of device(s) specification details, and cost (one-time investment and running cost) are required. 1 PC for family members, 2

What problems do you think might arise in extreme programming teams where many management decisions are devolved to the team members?

Explain why the intangibility of software systems poses special problems for software project management.

A company produces two products. The relevant data is shown below Product 1 Suppose that Demand rate (unitsyear) Production rate (unitsyear) Production cost (unit) Inventory carrying rate (unityear) 2,000 4,000 20 25 Product 2 12,000 16,000 15 25 the setup cost for each product is same and 400. the total number of setups used for producing Product

find the steady state expression for vo in the circuit fig 9.32 if ig = 500cos2000tmA

3) 9.32 Find the steadystate expression for u,, in the circuit of Fig. P9.32 if i 500 cos 2000 mA. Figure P9.32 120 (2 12.5 F 400 60 mH 0