Computer Engineering Questions and Answers May 17, 2021

Suppose the truth table of a Boolean function F is given by F 0 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 (a) Express F as a sum of minterms. Simulate your result, and verify that it has the same outputs, depending on the values of r, y, and z. Include a screenshot of your implementation and list its truth table in your report. (b) Express F as a product

(a) Implement and simulate the circuit described by the logic diagram below. Write Boolean expression describing its outputs. Include a screenshot of your implementation in your report. a y1 b y2 f (b) Use Boolean algebra postulates and theorems to simplify to a minimum number of literals. F (x 2)(x y z) Make sure to clearly state the postulate

Consider the Boolean function F given by F A CD (A D)(B D) (a) Convert F into sum of products. Explain clearly how you and include a screenshot of your implementation in your report. obtained your result. Simulate your result. (b) Convert F into product of sum. Explain clearly how you obtained your result. Simulate your result, and include a

Youll analyze where security breaches may occur or have occurred, and restore or reinforce systems against such breaches, to ensure that confidential data is protected.n

breaches may occur or have occurred, and restore or reinforce systems against such breaches, to ensure that confidential data is protected. This role could deliberately attempting to hack into our employers network to expose any weaknesses. Alternatively, we could work as a computer forensics analyst or investigator to combat the increasing

Write essay on meaningful and/or challenging experience you have had during your past school life(Junior High School, Senior High School, and tertiary) having the mindset of offering computer engineering.

The packages mall faces following situation, their monthly sales statement indicates an increasement in sale every month. Thus, manager is able to assume, that the company will get net profit this year (based on the sales trend for the past few months), without obtaining other information such as operational cost, change of taste in consumers and

Consider the grammars: a) o S aaS | bbS | abX | baX | ^ o X aaX | bbX | abS | baS b) o S aSbb | abb c) o E E + E | E * E | (E) | 7 o The terminals here are {+, *, (, ), 7} For each of the above grammars solve the following 1 . Show that it is LR(0) 2 . If the grammar is LR(0) then Construct LR(0) Table and Execute one word from the language

What are the different components of the MIPS datapath?

Visit three websites that use sound (you may need to find Flash-based websites). Where, when, and how is sound used? Does the sound fit the mood of the site? Is there background sound? Can the sounds be turned on and off? Document your findings.

Creates a CRDU matrix for the following activities a) place an order b) assemble an order c) ship order d) closed order

Complete the below code to draw a line on a canvas as per the following specifications Line Coordinates Starting point X coordinate 50 Starting point Y coordinate 70 End point X coordinate 90 End point Y coordinate 80 Line color is blue var myCanvas var context 1080

You are well familiar with virtual agents. Virtual agents help us search to the web, as e-commerce assistants that give us information about products, as characters in video games, as learning companions or instructors in educational programs, and many more. But there is a website that does not include virtual sales agents but is based on a

Hospital Management system includes registration of patients, storing their disease details into the system. It will also contain doctors information and will digitalize the whole billing system. My software has the facility to give a unique id for every patient and stores the details of every patient and staff automatically. It includes a search

Consider the following relations: EMP_NO EMP_NAME EMP_GRADE JOB_ID DEPTNO START_DATE EMP DEPTNO DEPTNAME LOC LOW_SAL HIGH_SAL DEPT Display the name concatenated with the job ID, separated by a comma and space, and name the column Employee and Title. Display the employee name, employee No, and start date of employees hired between February 1998,

If all instructions take 800ps to complete their execution spending equal time for all stages i-e fetch, decode, execute and write back. How much time is required to execute 20 instructions in a non-pipelined model and how much time can we save by using a pipelined model?

Create a class called student that implements Comparable Interface and having five data members (name of string type, Regno of int type, and 3 subject marks of double type). Write the methods called get details and put details to get and put the student information. Write a findMarkAvg method to return the average of three marks as a double value.

Design a Java console application to conduct Elections. . Define a class Candidatess with members for CanID, CanName and Votes. Define a class Voters class with VoterID, VoterName and age. Create a class called Election comprising of list of Candidates and list of Voters. Define a member function called Vote() to which a voter id and candidate id

Q1. a. Explain why some programming languages require automatic memory management (garbage collection) for program execution b. At a given point in the execution of a program, what can be considered as garbage How can garbage be located in memory

Consider the following Context Free Grammar (CFG) S Aa BAb A BB c B Sd e where (a, b, c, d, e is the set of terminal symbols. a. Give a rightmost derivation of ecadeb. b. Give a leftmost derivation of ecadeb. c. Compute FIRST and FOLLOW for this grammar d. Discuss whether CFG is ambiguous or not and draw the parsing tree

They invented NLX motherboards instead of LPX because of a NLX cheaper than LPX b. LPX consumes the space the computer case C LPX only runs expansion cards from the same manufacture d NLX cooler than LPX ,What is the difference between deleting a partition and formatting a partition a Delete removes the partition while format transforms partition

Complete the following: (a) 1.296 105 km/h

The content of AC in the basic computer is hexadecimal A937 and the initial value of E is 1. Determine the contents of AC, E, PC, AR, and IR in hexadecimal after the execution of the CLA instruction. Repeat 11 more times, starting from each one of the register-reference instructions. The initial value of PC is hexadecimal 021.

1. discuss the software ownership rights commercial software shareware freeware public domain software open source software 2. based on the provided software ownership right above, which is the best among software ownership? explain your answer. 3. provide comparative analysis of the following terms: patent trademark copyright

a. Two competing firms, A and B, sell similar products and must each decide whether they should pay for an expensive advertising campaign. The two firms know that if neither firm advertises, they both can maintain their existing market share, in which case each firm makes 10M per month in profits. If one firm advertises while its competitor does

Design a python program for following scenario (15 A new restaurant is opened in your area. The management wants to develop digital billing system. For this purposed, they ask you to develop python script for the same. The management provides you Item list and its price. Use python dictionary to save this data. Store the data in dictionary with

1. With reference to TCP/IP layered architecture, explain the purpose of encapsulation and de-capsulation including a diagram to show the process. In your explanation, provide examples of information specific to each layer that is used in this process. 2. When IP is used as a connection-oriented protocol, a forwarding decision is not made based on

Automata Theory = {a, b}. All strings in which the letter b is never tripled. This means that no word contains the substring bbb. ***It can contain only b as well as other combinations*** (i) Make DFA (ii) Make NFA (iii) Transition Graph

Find context-free grammars for the following languages (with n 0, m 0). L= {a^nb^m : n = m 1}.

There is a need to write a program which computes the cube of the number entered from the keyboard. The number can be any number between 0 and 9. For example, if the number entered from the keyboard is 4, the result should be computed as 4364. If the entered character is not in between 0 and 9, the program should recheck the key press. The

MOV DS, AX Time left 04617 Again INT 16H JZ Again MOV AH, O JB Again CMP AL, 39H ,There is a need to write a program which computes the cube of the number entered from the keyboard. The number can be any number between 0 and 9. For example, if the number entered from the keyboard is 4, the result should be computed as 4364. If the entered

The following figure shows a port address decoder interfaced to an 8086 CPU, (According to text book) 01 03 D lon OT Deta What are the address ports for the two devices O a. F4H, F5H O b. F2H, F4H O . F4H, FCH O d. F2H, F3H

The following figure shows a port address decoder interfaced to an 8086 CPU, (According to text book) Data Bus Lon A5 A4 00 Ei 2 E 01 02 eILSB) TALSI 04 Os Dr Jon WR 06 07 Outa pu What is the instruction that checks if the switch 3 is pressed O a. IN AL,F4H AND AL 08H O b. IN AL,F2H AND AL, OF7H O . IN ALF2H AND AL, 08H O d. IN AL,F4H AND

() 2. A range finder is shown by the following picture The elapsed time of its wave is 100 ms. Whats the distance from station A to station B (Suppose the speed of wave propagation is 340 ms) B A. 17 cm . 34 . 17 m D. 34 m

The RTL approach is more suitable in designing a small .digital system with small number of states Select one True False

A net needs a driver, but a reg does not Select one True False

If a 1, assign y(a2b11) then value of y will be Select one .a 1 .b b01 .C b112 .d None of the given options ,If A 4b 100x and B 4b 1110, then result of AB will be Select one .a XXXX .b 1100 .C None of the given options .d 110x

In the following code (always (A or B or select begin it (selectet) moutnA else moutB end In this code, begin and end are not necessary Select one True False

The default value of wire is Select one .a .b .c .d 1 .e None of the above

Which of the following is a user defined primitive Select one .a or .b and .c none of the options .d display .e not ,Consider the following part of code Initial begin clock 1b0 (repeat (30 clock clock 1 end If each time step represents 1 ms, what is the frequency of the clock Select one .a Hz 30 .b Hz 300 .c None of the given .d Hz 60 Hz 50

Consider the following part of code ( always (posedge clk begin b

Which of the following about UDPs is correct Select one .a UDP can take both scalar and vector input .b UDP can be defined inside a module .C UDP supports input ports .d UDP can be instantiated inside a module ,How many argument bits are required to implement the case statement if you have 4 options Select one .a 3 .b 8 .C 1 .d 2 .e only begin and

Which of the following is False Select one .a The density of SRAM is higher than that of .DRAM .b Dynamic memory consumes less power .than static memory .C Access time of SRAM is less than that of .DRAM .d None of the given options ,What is the minimum size of memory required to implement a HEX to graycode converter Select one .a x 8 bits 16 .b .x

Assuming that a certain ASM chart has 5 states, the size of each multiplexer required to implement this circuit using the multiplexer design approach should be Select one .a Eight to one .b .Two to one .C .None of the given .d Four to one ,The following Verilog code defines one matrix reg 40 vectr015 Select one True False ,Consider the following

Verilog is one of the ways to model hardware using a .description programming language Select one True False ,In a UDP, how many outputs are allowed to be listed in the port list Select one .a .Depends on the design .b .C 1 .d equal to the number of inputs ,Consider the following code, which one of the following statements is not true (module

Build a temperature converter to be able to enter temperature from F to C and also from C to F. How to enter the number and be able convert it package sample; import javafx.application.Application; import javafx.event.ActionEvent; import javafx.event.EventHandler; import javafx.geometry.Insets; import javafx.geometry.Pos; import

Temperature Converter Temperature Converter Degrees F 212 Degrees C 100 Convert F to C Degrees C 0 Degrees F 32 Convert C to F ,Temperature Converter Temperature Converter Degrees F 212 Degrees C 100 Convert F to C Degrees C 0 Degrees F 32 Convert C to F

Find the variance of X + 3Y + Z + 6 in terms of the variances and covariances of X, Y, and Z.

It would be of great help if anyone can show me how to draw a transition diagram of a signed number.

Write the program that allows the user to edit an atlas of cities and states. The user should be able to insert and delete states as well as insert and delete cities belonging to specific states. Example of how the layout should look like, this can be done with keysets and tree maps or array lists. It has to be menu-driven, where the user can

Below is an example of a program that illustrates one way to get data from a file. Notes: a. The expression "new BufferedReader( new FileReader("samplefile1.txt"))" may generate a FileNotFoundException. b. FileNotFoundException is a Checked Exception. c. Being a Checked Exception, FileNotFoundException should be handled where it occurs or

Select one of the following and answer each aspect of your selection. 1. Professional Certifications Identify (a) the characteristics of each of the following certifications, and (b) the professional group that provides us with these certifications: Certified Internal Auditor; Certified Fraud Examiner: Certified Information Forensic Investigator;

Write the data processing methods, such as codon() and codon2aa() in a separate Java class, and the input and output in another class. (include comments) 1. Develop a Java program to read in a piece of DNA sequence from a FASTA format sequence file (alternatively you can use the getRandomSeq(long ) method of the RandomSeq class to generate a piece

Find and view several online videos on recent cyberattacks (less than 2 years ago). Identify the URLs for 2 videos that you think do a particularly good job of illustrating (1) the worst-case scenario and (2) the best-case scenario when it comes to cybersecurity. Briefly describe each situation and what the worst-case scenario could learn from the

Using Social Media and Networking in the Fishing industry, complete the following activities: Suppose you work as fishermen in a simulator from MIT called "Fishbanks" 1. Explain what happened during your simulation. How far did you get? What was your final asset count, bank balance, number of ships, profit, etc.? Now, let's assume that you're

A1. Software engineers use the following to enhance the quality of their products I. Tools II. Techniques III. Procedures IV. Paradigm A. I and II B. I, II and III C. I, II and IV. D. I, II, III and IV A2. A software process has the following characteristics I. The activities are organized in a sequence, so that it is clear when one activity is

1. Software engineers use the following to enhance the quality of their products I. Tools A. I and II B. I, II and III C. I, II and IV. D. I, II, III and IV A2. A software process has the following characteristics I. The activities are organized in a sequence, so that it is clear when one activity is performed relative to the other activities

A24. What is the most difficult and critical stage of the requirement engineering process A. Feasibility study B. Requirements elicitation and analysis C. Requirements specification D. Requirements validation. .. Examiner Robert Adjetey Sowah, PhD A25. Repairing coding errors is A. More expensive than B. More cheaper than C. The same as repairing

Draw graphs of each of thesc functions. a) f(x) 3x 2 c) f(x) 1x b) f(x) 0.2x d) f(x) x 3D 3D 3D 3D

It involves writing a program in the ARM assembly language to count and display how often each character occurs in a string. It should design and implement frequency count. the code should process the hard-coded poem string: My hearts in the Highlands, my heart is not here, My hearts in the Highlands, a chasing the deer; Chasing the wild deer,

This program must be able to add an embryo in the middle of the list to a free location and remove a optional embryo from the list. This program should be divided into 3 files, one of which is program.c for the main program and the menu program, the second is list.c, which contains all the subroutines that handle the list, and the third file is

Create a program in C using an Arduino. You will need: - An Arduino Uno - A breadboard - A LCD 16x2 display - Two buttons - A potentiometer - A few wires Create a program that will increase and decrease a number from 1 and up to 24 and show the numbers on a LCD display. One button should be used to increase the number by 1 (example: 1, 2, 3, 4,

Assume the MIPS ALU is 4bits wide. If A 0011, B 1010, and ALU Operation 0110, 3D 1. then what is the 4bit Result of the MIPS ALU Answer 2. What do the values (0 or 1) of Alnvert, BNegate, and the 2 Operation bits need to be for the MIPS ALU to output the result of A NAND B Answer 3 Assume the MIPS ALU is 4bits wide. If A 0011, B 1010, and ALU

Rizzi Co. is growing quickly. Dividends are expected to grow at a 25 percent rate for the next three years, with the growth rate falling off to a constant 7 percent thereafter. If the required return is 13 percent and the company just paid a $3.10 dividend, what is the current share price?n

In recent times, the gendered construction of sexuality for intimate relationships in Ghana is being challenged by some human rights activists, yet there is fierce resistance by the majority of the populace. Discuss five (5) factors contributing to this fierce resistance.

Why should attenuator be made of non-wire wound resistors?

a) You are asked by your manager to deliver software based on a schedule that you know can only be met by asking your project team to work unpaid overtime. All team members have young children. Discuss whether, you should accept this demand from your manager or whether you should persuade your team to give their time to the organization rather (6

Describe how you would conduct an empirical evaluation to compare user experiences with your proposed designs. *

Give the brief reason why a one particular design can be under determined and over determined for the different users?

Contrast the different problems that can arise when designers attempt to identify the requirements for interactive systems from novice and expert users. ?

Draw a use-case diagram and a set of activity diagrams for the following system. Of-the-month Club (OTMC) is an innovative young firm that sells memberships to people who have an interest in certain products. People pay membership fees for one year and each month receive a product by mail. For example, OTMC has a coffee-of-the-month club that

Suppose you are working on MS-DOS, what are the different commands you can use on the word University?

Briefly explain what is meant by the terms perception, physiology and cognition. And what is their role in HCI ?

Why is subjective satisfaction difficult to measure? *

Suppose P(x,y) is the predicate where the universe for x and y is {1, 2, 3}. Also suppose that the predicate is true in the following cases P(1,3) ,P(2,1) , P(3,1) , P(3,2) , P(3,3) and false otherwise. Express in symbols using the quantifiers; the false statement.

The article on IRB discusses broad consent under the revised Common Rule. What are the main issues that the article addresses? What is the Common Rule? How is this issue related to information systems and digital privacy?

Management Information Systems (MIS) focuses on business applications of computer technologies. There are innovative technologies coming out all the time, and todays business environment offers great opportunities for college students to start their own businesses as entrepreneurs. Create your own company to conceptually produce some product(s)

Write an infrastructure document in which you: Design a logical and physical topographical layout of the planned network through the use of graphical tools in Microsoft Word or Visio, or an open-source alternative such as Dia. Note: The graphically depicted solution is not included in the required page length. Illustrate the possible placement of

The Governance of Corporate Forensics Using COBIT, NIST and Increased Automated Forensic Approaches, 2012 International Conference on Privacy, Security, Risk and Trust and 2012 International Conference on Social Computing, Amsterdam, 734-741. Read the above-required articles, What is mobile forensics, and do you believe that they are different

Suppose NiceGirl is the set of all nice girls, Sailor is the set of all sailors, and loves is a relation between nice girls and sailors such that n loves s means that nice girls n love sailor s. Make precise the sentence "All the nice girls love a sailor" to expose at least two distinct meanings of this ambiguous utterance.

SOFTWARE ENGINEERING Suppose you are an analyst for the Roanoke Software Consulting Company (RSCC), a large consulting firm with offices around the world. The company wants to build a new knowledge management system that can identify and track the expertise of individual consultants anywhere in the world based on their education and the various

The basic types of methodologies discussed in this chapter can be combined and integrated to form new hybrid methodologies. Suppose you need to combine prototyping with the use of waterfall development. What would the methodology look like? Draw a picture. How would this new methodology compare with waterfall and prototyping models?

A header file Zoo.h will be provided to you. All the variables are explained in the file. Zoo.cpp contains all the definition of the functions. Details of the functions are provided in that file. Please read it carefully. Please note that there are two additional header files added. You can use them or add new according to your needs. Tasks Task

1-to Change the Outline of a Shape: left-click the shape and select Outline from the Mini Toolbar; or select Format Shape from the contextual menu, click the Fill & Line button False true 2-gradient fill:: Fills the background with a graphic file or texture. true False 3-Creating a new presentation window is like opening the presentation in a

Q5Represnet this equation in Matlap Simulink and determine the record the output written in the display screen 11 y0.4 eT log(2)

Chevron Corporation (www.chevron.com) is one of the worlds leading energy companies. Chevrons headquarters are in San Ramon, California. The company has more than 62,000 employees and produces more than 700,000 barrels of oil per day. It has 19,500 retail sites in 84 countries. In 2012, Chevron was number three on the Fortune 500 list and had more

HMI HMI HMI HMI Internet or Intranet HMI HMI IP Enabled Meters SCADA supervisory Station SCADA Instruments SCADA Database Supervisory Station HMI SCADA Supervisory RTU RTU RTU Station LAN Switch PLC Meters Instruments PLC PLC RTU RTU Figure C6.1 SCADA Example

1. Apply MRV and Degree Heuristic with Forward Checking on below Adjacency Graph of few states of India. Solve by yourself. Do not copy from others. This will lead to serious punishment) RAJ UP MP GUJ CHG MAH 2. Apply Greedy Bestfirst Search, A Search on below graph and find Minimum path from S(Initial)D(Goal). Write down both approach calculation

An automation engineer is looking to deploy a deterministic network in a sheet metal factory. The control system in charge of safety expects a message from the embedded application of a heating element controller every 50 milliseconds, otherwise, it immediately shuts down the production line. The network in question has on average a delay of 1

If the LED pin is 3 and the switch pin is 7 connected to Arduino UNO, Write Arduino code for (Digital Input experiment) with pauses (3 seconds) only for ON and OFF for LED.

Let B 2, m 3, emin 2, emax 1. Here the symbols have their usual meanings as in the notes. We are using a denormalized system here. Please note that you can have both positive and negative numbers. a) Enter the machine epsilon of the system. O 0.5 .25 0.125 0.0625 b) If we store 1.54, what will be the relative roundoff error 10.2 12.5 O 2.6

Need The Procedure please.

Let B 2, m 3, emin 2, emax 1. Here the symbols have their usual meanings 3D as in the notes. We are using a denormalized system here. Please note that you can have both positive and negative numbers.

i. A signal with 200 mill watts power passes through 10 devices, each with an average noise of 2 microwatts. What is the SNRdB? If the signal has a spectrum between 11f and 7f and the signal period is 0.5 ms, what will be the maximum channel capacity? ii. If you want to achieve the same channel capacity in a noiseless channel, what measures would

Using Binary search tree write a Java program to Insert and print the element in (inOrder traversal ), then search the elements (a and z) in the tree. using the following tree 2 2 The output e Javadoc O console 3 Declaration Problems BinaryTree (1) Java Application LibraryJavaJavavirt Inorder Traversal abcdefj a element is found a Javadoc O

1. Describe the structure of a subprogram and the flow of control in case of subprogram calls. 2.Write hat media necessary for the transformation of information in modern information system

Suppose you are running the SPEC CINT2006 benchmarking program and the program ran three separate programs listed below Program Instruction Clock Rate CPI Count (x109) (GHz) Execution Reference SPEC Name Time Time Ratio BFG 51 2.4 2.5 86 Vega 91 2.4 2.0 12 Checker 01 2.4 3.0 15 Here P, Q, R are the 6th, 7thand 8th digit of your BRACU ID. 1.

Draw the circuit for the expression X = (A+B) C by using NOR gates only.

Given the following Boolean function, F = xyz + xyz + wxy + wxy + wxy i. Draw a corresponding Karnaugh map of the function. ii. Express the simplified function in both SOP and POS form.

Draw the circuit diagram of the following Boolean function using both basic gates and universal gates: F (x, y, z) = (1, 2, 3, 4, 5, 7) find the total number of ICs for each diagram.

An organization having very less number of software tool want to develop database system with the project size is 315000 lines of code. For making such type of product it requires highly bounded development schedule with very less number of software tool and highly capable developers. Consider the require parameters with their appropriate value to

You and your friends plan to prepare dinner following steps will perform 1. Time taken to buy the cheese is 30min then make slices of cheese this will take 5min. 2. Cut the onion and other vegetables and time taken by this is 7min then 25 min spend to the sauce 3. 10 min in boil the water after that we put the noodles in water and boil them for

Suppose, you are a developer of a software company named HackerMan. Your supervisor asked you to develop a password program, for MIPS architecture, that can both generate passwords and break them. After building the program, you observed that the program was taking 18101599 milliseconds to execute and the password generation was taking 90 of the

Suppose, you are a developer of a software company named HackerMan. Your supervior asked you to develop a password program, for MIPS architecture, that can both generate passwords and break them. After building the program, you observed that the program was taking 19101799 milliseconds to execute and the password generation was taking 90 of the