Computer Engineering Questions and Answers May 17, 2021

Direct memory access (DMA) in a computer Explain all the details about its organization and operation and give an example.

Please consider how to realize the digital representation for Sounds, Picture and Video.

Discuss the role and requirement of memory cell and gate for computers? How these two components are helpful in developing various components of the modern computer? Justify your answer with suitable examples.

Analyze the microinstruction format to distribute 36 bits for each part with main function.

Use Dij Kstras to find ashortest From A toG in the following weighted Please Shaw your sters with draw on grap 15 E

Give a Turing machine with input alphabet {a} that on input am halts with am2 written on its tape. Describe the operation of the machine both informally and formally. Be sure to specify all data.

Write a program that keeps Open with atings for a movie from users and ends when 1 is pressed. The program prints the best, worst and average rating for the movie. It also prints the following messages according to the average rating Rating Between 1 and 3 Between 4 and 7.5 Between 8 and 9 Between 9.5 and 10 Message Not worth watching Its

Explain the relationship between artificial intelligence and other disciplines.

Explain the neuron model in artificial neural networks.

Explain the layers in artificial neural networks.

Write the program using the "numpy library" that finds the product of one (2 * 3) and the other (3 * 4) matrices, the elements of which are in two separate files. The names of the files will be in the format firstmatrix.csv and secondmatrix.csv.

Write a program that calculates the value of the derivative of the above function at the point x = / 3 using the "sample library". (python programming language)

f(x) In cos x) In (tan x) In(sin x)

Array Algorithm C++ Create a program that asks the user for their name, and then print a line the first and the last character of the entered name. Hint: Remember that strings are a compound data type containing multiple characters, and the characters within them can be accessed in the same way as an array

Using the architecture of a house or building as a metaphor, draw comparisons with software architecture. How are the disciplines of classical architecture and the software architecture similar? How do they differ?

(a). Derive the Bresenhams line algorithm for m>1 to find the parameter for P > 0, P < 0 and initial parameter. (b). What is the symmetry of the circle and how can we use symmetry of the circle to reduce the computation of Mid-Point circle?

The file problem3.c contains a working program. The output of the program is an inverse diamond pattern. It takes in n as an input and prints 2n1 lines or rows. A sample output Ester Process returned 8 (80) execution time 4,589 Press any key to continue. 1. Edit the code to print n lines instead of 2n1 lines. 1 2. Write a condition so that the

Suppose you are working as project manager of well-known company. A project has just begun under your supervision and the main objective of this project is to launch an application that instructs how to play harmonium and the budget for this project is around fifty thousand. Many team members have tried giving their opinions/suggestions about this

Mr. Johnson is working as a manager in STT (Solomon Tetra Technologies) where a project of Air conditioners/ Inverters manufacturing and installation is going to be started. Before the project starts, it is important to work on certain detail. a. Enlist primary stakeholders and secondary stakeholders. b. Perform a complete stakeholder analysis for

Assuming odd parity, find the parity bit for each of the following data units. a. 1110111 b. 0001101 c. 1000000

Given the data word 1110011110 and the divisor 11111, a. Show the generation of the codeword at the sender site (using binary division). b. Show the checking of the codeword at the receiver site (assume no error).

Suppose we have the following IP addresses for two different organizations, we have to create 5 networks having 30 hosts in it. Find first sub-network ID, Fist address, Last address, and Broadcast for each of the following given addresses. c. 17.23.120.8 d. 252.5.15.111

Q6. Find the class of each address, Network ID, subnet Mask, Network portion, Host portion? Are these privete or public addresses? [10] a. 00000011 10001011 00001011 11101111 b. 11000001 10000011 00011011 11111111 c. 15.23.120.8 d. 250.6.15.112

A cell phone has a contact feature. That features stores name and its telephone number in two different arrays name[ ] and phonenumber[ ]. Each pair of name and telephone number has the same index. a. Write a program asking the user to input name and telephone number repeatedly until the user types done. b. Modify the program so that the user can

Explain how does the partition algorithm in a randomized quicksort algorithm differs from that of the naive quicksort algorithm. You do not need to write any pseudocode.

Perfect Pizza wants to install a system to record orders for pizza and chicken wings. When regular customers call Perfect Pizza on the phone, they are asked their phone number. When the number is typed into a computer, the name, address, and last order date are automatically brought up on the screen. Once the order is taken, the total, including

1. Can you explain the Financial Accounting Principles?

Define the input-output behavior of the system and the scope of the project. What is your evaluation metric for success? Collect some preliminary data, and give concrete examples of inputs and outputs. Implement a baseline and an oracle and discuss the gap. What are the challenges? Which topics (e.g., search, MDPs Markov Decision Process, etc.)

Code useremailinput (Enter email address).strip() Username useremailuseremail.index () domainemail useremailuseremail.index()1 useroutput useremail is and username is and userdomain is . format(useremail,Username, domainemail) print(useroutput) Explanation Program description 1. Take inputs from the user as user email. 2. strip() is used to

Use a queue to simulate the flow of bus transportation system. The passenger may be wait in the busstation in a queue. In this simulation you have the following details one waiting queue Every one minute one passenger should take his ticket and served. (Note that the passenger may have to wait in the line before being served) Every minute many

Explain how an agile software process differs from a waterfall software process and give an advantage and a disadvantage of each?

Briefly explain the fundamental activities of software processes

Write program for user authentication First store all the user credentials mtu file (password 151 NO Create a class Login with data members username, password Write method ready to get ser credentials (username, password Write meinod Encrypti) to convert to the next character (ec , bc. 2-3). Cipher of "VIT" is "WIU" Copy the credentials of n users

True/false: 1. One of the I/O module functions is command decoding 2. With multiple zoned recording, the amount of data that can be stored on the outer long track is the same as that can be stored on the inner short tracks, 3. Using Winchester head mechanism, the head is in a physical contact with the disk surface when it is in motion. 4. Scanning

Using the Google, search for software-based firewalls. Examine the various alternatives available and compare their functionality, cost, features, and type of protection. Create a weighted ranking according to your own evaluation of the features and specifications of each software package.

Write a C++ program that inputs an integer and passes it to a function. The function should return the number of digits in the integer. For example, if the integer is 35 the function should return 2, if it is 3572 the function should return 4. Q2) Write a C++ program to use two functions Large() and Sum(). The Large() function gets two integer

For the following operations using the shift and arithmetic operation (SUB and ADD) commands. (emu8086) Type the assembly instruction set. 7 (AX) - 5 (BX) - (BX) / 8 -> (AX) Try your code with the following values: A X: 60 BX: AE Explain your command sets with comments.

Task: Design a class named Account that contains: A private int data field named id for the account (default 0). A private double data field named balance for the account (default 0). A private double data field named annualInterestRate that stores the current interest rate (default 0). Assume all accounts have the same interest rate. A

what is the logic expressions and how to use truth tables and similar methods to understand them further (and prove that they are equivalent).

Design a Customised Exception Java program * Consider a case and write a short description of your case. *Draw a flowchart of your design

Suppose we have a sequence x1(n) with a corresponding Z-transform with ROC (Region of Convergence) inside a circle. If we create a new sequence according to x2(n) = x1(-n), what will the ROC for the corresponding Z- transform of the new sequence be?

(Q1) Is K35 eulerian Justify. Is K135 hamiltonian Justify.

What is your opinion when we study a responsible critical safety system? Consider this as a hypothetical accident. Write down each of the people who might be responsible for the accident and discuss one reason why that people are responsible and give at least one reason why they are not responsible? Against who can you place the most, or most

Two of the fabrication technologies used to fabricate Logic gates ICs are Low power Schottky (LS) and CMOS. ICs manufactured using both the technologies are readily available in market. However, there are some basic differences between the devices manufactured through LS and CMOS technology. Consider the OR gate ICs 74LS32 and 74HC32, study their

Write a program that will calculate the factorial of the number you chose. The number you choose should be kept in Register CX. Result Register should be kept in AX. Do not forget to explain your command sets with comments.

Using the difference equation given below, find the impulse response h n of the system. yn 0.1yn 1 xn 1 Note Tables in which Fourier transform pairs are given can be used to solve the problem.

Write an assignment on creating your own exception subclass. Instructions: (i). Define exception handling in java and the reasons why you should use exception handling in your program perfectly. (ii). Create exception subclass that can be thrown to handle this kind of problems during program execution (iii) Find an idea by yourself to design an

1. A magazine surveyed a sample of its subscribers. Some of the responses from the survey are shown below. Annual Household Income (1000) Subscriber ID Sex Age 22 0006 F 45 4798 M 21 53 2291 F 33 82 4988 M 38 30 a. How many elements are in the data set How many variables are in the data set How many observations are in the data set d. b. . Name

1.1 Evaluate the ACPO guidelines for computer evidence. 4.1 Conduct a formal search. 4.2 Present evidence from a search

Explain different actions in relation to the seizure of materials from a crime scene. Conduct and analysis of the processes and procedures (i.e. stages, Life cycle) for carrying out the digital Forensic Investigations (i.e. EDRM model and ACPO guidelines). Follow and evaluate the ACPO guidelines for the computer evidence. 1.1, 4.1 4.2

Can we consider the RUP model as a combination of incremental development and incremental delivery? Justify your answer

Assume that 85% of the runtime of a certain application can be parallelized. What is the maximum possible speedup by parallelization for this application if we assume that the input set is fixed?n

Find effective CPI if

A PD R1o, Ro, 8 ADD RI, Ro, Ro ADD RI, RI, I BNE RI, RI0, LI iF the branch Penulty equal 2 Find e Ffective CPi iF we use dynunic prediction (I bit)

Graduates Inn Guest Database of days guests stay Daily rates considering of guests ID Guest First Name lloyd Room Room Type Arrival Date Departure Date No of Guests Daily Rate 1 Barry Lloyd es 12118 150.00 Baywindow Ocean 12418 2 3 2 Michael Lunsford Cleveland 12118 12918 2 112.50 ywindow Ocean ean 3 Kim Kyuong Coolidge 12418 12718 150.00 3

Consider a 12-bit fixed-point real number in 6.6 format. What is the largest positive value in binary? What is the largest negative value in binary? What is the smallest (nonzero) positive value in binary? What is the smallest negative value in binary?

You have three 32-bit integers; a, b, and c. Give a sequence of "ARM Cortex-M3" assembly language instructions required to implement the assignment statement c = a / b, assuming that the integers are: a) signed = ? b) unsigned = ?

Suppose registers R0 and R1 already hold a single 64-bit quantity with the most significant 32 bits in R0 and the least significant 32 bits in R1. Give a minimum-length sequence of ARM Cortex-M3 instructions that would be required to implement: A 64-bit logical right shift by 4-bit positions? A 64-bit arithmetic right shift by 4-bit positions? A

Translate each of the following C assignment statements into Cortex-M3 assembly: 1) long long a64[10] ; long k32, *p32 ; p32 = ((long *) &a64[k32]) + 1 ; 2) signed char s8 ; signed long long s64 ; s64 = (signed long long) s8 ; 3) signed long s32 ; s32 %= 10 ; 4) signed long long s64 ; signed long s32 ; signed char s8; s32 = s64 + s8;

Write a sequence of CortexM3 instructions with comments that will add the squares of all numbers from 1 to 50.

Use an IT block to convert the following into a sequence of ARM Thumb2 Instructions: 1) unsigned short int a, b, c ; if (a == b) c = a / b ; else c = a * b ; 2) signed short int a, b, c ; if (a > b) c = b * 2 ;

Write a sequence of CortexM3 instructions to implement a code fragment (with a comment in each line) that takes a 32-bit unsigned number, counts, and returns the number of bits that are 1 in R1. (You are not allowed to use the CLZ instruction or its variants).

Convert the code below into corresponding ARM CORTEX-M3 instructions int runningSum(double * input) { int i = 1; double sum = input[0]; double max = sum; while (input[i] != -1) { sum += input[i]; i++; max = Max(sum, max); } return sum; } int Max(int first, int sec) { if (first > sec) return first; else return sec; }

Assume that the offset is beginning at EF00H, what is the offset of data that contain value (55) Marks DW 88, 44, 55, 90, 77 Answer

Assume the following same initial processor state AX D 6521H CF AF ZF SF PF OF BX 1 CX 0105H DX 876FH What are the flags after CMP AH, CL 1. ,Assume the following same initial processor state AX 6521H CF AF ZF SF PF OF BX D 1 1 CX 0105H DX 876FH What will be the contents of AX after SUB AL, AH

Number of the times the instruction sequence below will loop before coming out of loop is MOV AL, 00H Al INC AL JNZ A1 Answer ,stion 8 Consider the following fragment of assembly code yet vered DATA DW 7,6, 5,4 ked out of COUNTER EQU 4 lag question OR AX, AX STC MOV CX, COUNTER MOV SI, OFFSET DATA NEW ADC AX, WORD PTR SI ADD SI, 2 LOOP NEW NEXT

9. After execution the following instructions, what is the contents of the register AX. Give your answer in Hexadecimal. array Dw 1111, 2222H, 333, 4444H MOV B, 1 MOV SI, 6 MOV AX, arrayBX SI2 ,10. Write the contents of AX, CX, and Flags in this order (CF, PF, AF, SF, and ZF) after the execution of the following instructions. MOV CX, 0604H MOV AX,

We need to multiplies the most significant 4 bits and least significant 4 bits ofregister AX, write a subroutine to do that

Illustrate the strength and weakness of k-means in comparison with k-medoids?

Translate each of the following arguments into symbolic form using the variables given below. D The drought will continue. SWe get an early storm. M Managers of the ski areas will be happy. F There will be great fire danger next year. Match the correct translation for the argument to the lettered options given below. (You will get the most out of

Choose an organization that you interact with regularly and list as many different systems (computer-based or not) as you can that are used to process transactions, provide information to managers and executives, help managers and executives make decisions, aid group decision making, capture knowledge and provide expertise, help design products

Initialize a string of size 40. Write a program that prints all unique alphabets from a string. After printing them sort them in ascending order. For example Hi world I am here to help you. Unique characters are H, I, W, O, R, L, D, A, M, E, T, P, Y, U. Sorted: A, D, E, H, I, L, M, O, P, R, T, U, W, Y

University of Central Punjab (UCP) is arranging a competition of programming, in which IT department student can participate. In this competition student will be asked questions (True/False) and student will be given points, in the end student whose points are higher will be winner. Student whose marks are second highest is called runner up. You

Consider the following pairs of deterministic finite automata. Use the product construction to produce deterministic automata accepting (i) the intersection and (ii the union of the sets accepted by these a tomata. 2F1 1 2F 2 1 Cl 1F 32 2F 3 1 3F 1 2

Consider the following pairs of deterministic finite automata. Use the product construction to produce deterministic automata accepting (i) the intersection and (ii) the union of the sets accepted by these au tomata. (a) a 1 1 1 2F 1 1 2F 2 1 (b) 1 1F 3 2F 1 2 1 3 3F 1 2 3F 1

Write three address code, quadruple and triples for following expression (a + b + c) - (a + b) * (b + c)

A: Create a variable declaration grammar that accepts: single/multiple declaration of variables (e.g int x, y; float a, char s), single/multiple dimensional of arrays (e.g float d[12][3], char p[10]), pointer type variables (e.g. int *ptr) and record (e.g. STRUCT type) type variables. B: Now consider that the integer takes 5 bytes, float takes 10

Mr. Akbar is senior software developer working on an ecommerce website he wants to add the following products on his website with following keys Mouse 4614 Keyboard 5882 Cable Webcam Monitor 6713 4409 1825 To make searching better he asked his junior to find the 2 digit hash address of products by following techniques and share results with him a)

List the binary, octal and hexadecimal numbers from (25) 10 to (33) 10 . For at least one of the numbers in each case, show why your answer corresponds to the respective number.

Convert the following numbers - (a) 1000.01011 and (b) 10000.1011 to hexadecimal and decimal. Explain why the decimal answer in (b) is two times that in (a).

Convert decimal numbers 3.25 and 5 to binary. (a) Add the binary numbers obtained, without converting them to decimal. (b) Multiply the binary numbers obtained, without converting them to decimal.

(a) Find the 16s-complement of A2B1. (b) Convert A2B1 to binary. (c) Find the 2s-complement of the result in (b). (d) Convert the answer in (c) to hexadecimal and compare with the answer in (a)

Perform subtraction on the given unsigned binary numbers using the 2s-complement of the subtrahend. Where the result should be negative, find its 2s-complement and affix a minus sign. (a) 10111 - 10011 (b) 101 - 1100

Display English Characters i.e. A-Z using 7-Segment Display. The circuit should have 5 inputs since the English characters are 26 only. The letter A has the code 1 =00001, and the Z has the code "11010". Try to represent the characters as a small letter, if a conflict occurs, use the shape of the Capital letter. Analyze the specifications to build

Analyze the following Algorithms. Find their running time and asymptotic notations. Algorithm 1 int fun(int n) int count 0 for (int i 0 i n i) for (int j i j 0 j) count count 1 return count

Write an essay telling us: Fundraising ideas that (individual or group) can help SFAO(Student Financial Aid Organization) raise funds while you are in school. Secondly what you think SFAO can do better.

What difference will you want to make in Ghana during the next 7 years?

I need more huge brain stack ideas on it and add mine PLEASE THIS IS A STATEMENT IN THE SCHOLARSHIP APPLICATION FORM SO PLEASE HELP ME WITH YOUR IDEAS Write essay between 300 and 600 words of more than one typed page telling

(a) Write decimal number X 25 and Y 53 in base 7. 3D 3D (b) Find the 6scomplement of X and Y. (c) Compute subtraction X Y, and Y X using the 7scomplement of subtranends. If the result should be negative, find its 7scomplement and affix a minus sign.

Shown below is the graph and equation of a function describing data rate of an internet service providers data line. D is the data transfer rate, measured in Kilobytes per second, and is time in seconds. Produce an estimation for the total amount of data transmitted (in Kilobytes) during the first 4 seconds. D 10e1.15t t3 500 sin(1.2t) 500

Write it in C++ Language.

Consider that a system has two entities, Student and Course. The student has the following properties student name, number, SSN and GPA. Similarly, the course has the following properties course name, course number, credit hours and a set of students who are currently registering on the course. Implement the above system taking into account the

Generate a 10KHz signal on P1.2 with 75% duty cycle. When a user press a button at P2.0, the signal frequency changes to 5Khz and 25%. Use oscilloscope for showing the signal.(in proteus)

When a user presses a button at P1.1, determine the duration of the press. [Hint: Use capture mode](in proteus).

What difference will you want to make in Ghana during the next 7 years.

In C++ write two local classes named Pipe and Pool as described below. Then, write a main function that reads the flowSpeed and area of a Pipe object ( p ) both as double values. main will also read the width, the height, and the length of a Pool object ( gardenPool ) all as double values. Finally, the inputPipe of gardenPool will be the p Pipe

A scientist has developed a mathematical model for a physical process, and he wants to check how good is model is. To evaluate the correctness of his model, he wants to test the results of his model under certain parameters and compare them with experimental results. In C++ write a program that first reads the number of tests (testCount) as an int

testCount 1 Error (testModel, textExperiment,) testCount i0

In C++ write a program that tracks how much calorie the user burns in total in a day and reports if the daily target is reached or not. The program will keep reading double values, each representing calories burned during an individual activity within a day ( calorieBurned ) until either the user enters 0 or the daily target of 1800 calories is

What difference will you want to make in your country next 7 years coming as a computer engineering student to improve your country.

Please what difference will you want to make in your country in the next 7 years coming as a computer engineering student in the university.

a) List and briefly describe three types of Information Systems that are used in digital firms. EMIT b) Differentiate between Intranets and Extranets. Elaborate on the impact of technology on Supply Chain Management and Customer Relationship Management. c)

Consider the case where a company X wishes to sell fruits and vegetables online with the possibility of home delivery. What are the EIGHT unique features you would look for when establishing an ecommerce based organizations for company X a) b) Explain the terms business and revenue models for ecommerce applications. List THREE business and FOUR

(a) Justify the need for Business Intelligence in organizations. How are business intelligence applications dependent on databases and data warehouses (b) Explain how data mining and OLAP contribute to better decision making in organizations (c) Can Business Intelligence applications be considered a disruptive technology Explain your answer. (d)

The class list was implemented on singular linked list. Re-implement it on doubly linked list take in account the set-position method and the operator overload and coy constructor and destructor.

Implement the Boolean function F xy ayy2 (a) With AND, OR, and inverter gates. (b) With OR and inverter gates. (c) With AND and inverter gates. (d) With NAND and inverter gates. (e) With NOR with inverter gates. For each case, show how you obtain your circuit, i.e. your Boolean expression from the Boolean function F listed above using the