Computer Engineering Questions and Answers May 17, 2021

Use the below description of a Car Club System (CCS) to answer the following questions. A Car Club Company (CCC) provides information to their customers about nearest rental cars companies with the available cars. The company intends to build a computerized system called Car Club System CCS). The system allows any member of public, registered

Draw the activity diagram of the below description of the prototyping process. The developer and the user should identify the purpose and scope of a prototype. If it is identified design the prototype, then build it. After that, evaluate this prototype: if it is finished then that is it, otherwise, refine the prototype, and go back to design,

Use a single Logisim file.

Design a BCD excess circuits that can able to take user input value(1 to 6). The value defines the excess value of BCD excess. 1. Design a sequential circuit. Its output will be a binary value of 09. 2. Develop a BCD excess circuits that take the excess value as an input and gives corresponding BCD ExcessN (N is the given user input) output. 3.

Microsoft is the worlds most successful software company. Bill Gates and Paul Allen founded it in 1975 with the original mission of having a computer on every desk and in every home, running Microsoft software. Today, Microsoft is the fifth most valuable company in the world and has a brand value of $61.2 billion. In the early 1980s, Microsoft

Write inverse of Q = (1 2 3)(2 4) in So

(1) Determine the sign associated with each of the following permutations of the column indices in the expansion of a 6 x 6 matrix. (a) 652341, (b) 341256, (c) 146523 (2) Using the elementary row or column operations evaluate 4 0 2 0 3 2 4 B 1 4 1 2 A 1 2 0 0 3 0 3 5 2 3 1 6. 1 11 8. 4 az a2 a3 (3) If b by b 3. find C2 a1 2b1 3ei az 2b2 3c2

Which of the following statements is/are correct? I. The fragmentation is applicable for data in the datagram but not for header. II. Reassembly of the fragments must be performed at the destination because the Intermediate networks may have different maximum transmission unit (MTU) sizes. III. In the IP header, the time-to-live (TTL) field is

A Grocer Co. has a chain of stores that receives orders online and delivers household goods in many cities of Pakistan. A customer can visit their e-Shop to check the prices of goods, book a day/time slot suitable for delivery within a week, keep adding items in his cart any time before 12 hours of delivery slot, remove items, query for cashback

Draw the activity diagram of the below description of the prototyping process. n nThe developer and the user should identify the purpose and scope of a prototype. If it is identified design the prototype, then build it. After that, evaluate this prototype: if it is finished then that is it, otherwise, refine the prototype, and go back to design,

Here is an extract from the requirements for a system used in organizing a University associate degree program, referred to as the associate degree System. A University needs to maintain information about the associate degree program. The associate degree program consists of several sessions. The session includes cybersecurity, big data, and AI.

Consider the following class diagram, answer the questions below: a) Nominate the classes that relate to is-a relationship . b) According to Figure 1 is it possible for a given print to be entered for more than one competition? Explain your answer. c)Interpret the association between Competition and Club classes.

Member Club 1 name String membershipNo Integer 1 1 Print Competition date Date Entry abstract entered title String 1 firstPrize 1 1 secondPrize ColourPrint BlackAndWhitePrint 1 Figure1

Why we create one or more objects of a class in java, Explain it with real life example? AND write one simple program related to class objects.

What is the main difference between constructor of a class and functions we use in same class? AND write one simple program where constructor is called and execute a function from the object of a class.

What is meant by inheritance in java, give a simple real life example? AND write a simple java code related to inheritance.

1 Overview of the Application In this assignment, you will develop your social media platform (what we will call it is mysocialbook) with very simplified use case scenarios. To complete every functionality of mysocialbook, please read each of the following lines with a high care. 2 Application's Specification This and the following sections are

Design a BCD excess circuits that can able to take user input value(1 to 6). The value defines the excess value of BCD excess. 1. Design a sequential circuit. Its output will be a binary value of 09. 2. Develop a BCD excess circuits that take the excess value as an input and gives corresponding BCD ExcessN (N is the given user input) output. 3.

Obtain the plot of the functions f (x) = x2, g (x) = x3 for x = 1, ,1 on the same axis. Use the linspace command to obtain 200 equally-spaced x values. Label the x and y axes and create a legend indicating which graph is which.

b) Write a function volSAofSphere that will receive as input argument, the radius of the sphere, and will return as output, the volume and surface area of the sphere for 1

Write a MATLAB script called sincplot.m to plot the function sin x y x in the range pi100 to 10pi at intervals of pi100. Show grids on your plot using the grid on command. Also, label the xaxis, yaxis, title of the graph and also use the gtext function to write the equation of the function that you have plotted on the curve. Beautify your graph

In a mechanical experiment to calculate cable tension, three cables attached to points B, C, and D were used to suspend an object of mass m at point A and as a result tensions T1, T2, and T3 were generated in cables AB, AC, and AD respectively. If the object is stationary, the sum of the tension components in the x, in the y, and in the z

2 eye (2,3), Zeros (2,1) sqrt (161851610 3 exple) 1 Give the result Matrix 2 Give results (c) and (B) C z (2,3, 3,4) B z (3,4,1,2) 3Make V equal to subtract the element first column frou Third column 422 5 Make Requal to sum of element first row. andelement four row. Z 129531 ub ln (()

Explain the architecture of digital computers in terms of computer hardware? Discuss it using a suitable diagram.

Northern University is going to invest in purchasing the latest computers, communication devices, and upgrade software for process automation. How will it impact the performance of the overall system? Will it be advantageous or a waste of money? Justify your answer with suitable arguments.

What do you mean by an operating system, describe its functions, and discuss several ways in which operating systems differ from one another? Also define todays most widely used operating systems for personal computers, servers, smartphones, and other mobile devices?

Briefly discuss the following terms? Computer Software Network Internet World Wide Web Web Page Application Software System Software Network Topology Server

In todays world why is it necessary to know about technology and discuss several ways that how computing devices are integrated into our business and personal lives?

Read the following passage carefully and answer the questions that follow: When I returned to the common the sun was setting. The crowd about the pit had increased, and stood out black against the lemon yellow of the sky-a couple of hundred people, perhaps. There were raised voices, and some sort of struggle appeared to be going on about the pit.

a. Show that the LU Factorization Algorithm requires 1/3 n3 - 1/3 n multiplications/divisions and 1/3 n3 - 1/2 n2 + 1/6 n additions/subtractions b. Show that solving Ly = b, where L is a lower triangular matrix with lii = 1 for all i, requires 1/2 n2 - 1/2 n multiplications/divisions and 1/2 n2 - 1/2 n additions/subtractions c. Show that solving

PLEASE I NEED BOTH WEB APPLICATION AND MOBILE APPLICATION CODES PLEASE TAKE TIME TO DO IT FOR ME I HAVE ALREADY POSTED BUT I DIDDNT GET WHAT I NEEDED I NEED WEB APPLICATION AND MOBILE APPLICATION LINKED TOGETHER SHOWING EVERY STEPS AND HOW I SHOULD DO IT TO BUILD IT SUCCESSFULLY YOU CAN USE ANY IDEA WEB AND MOBILE APPLICATION THAT WILL USE

Zone, N = (sum of digits of your student id)% 8 For example, if your student id is 17301283, zone = (1+7+3+0+1+2+8+3) % 8 = 25 % 8 = 1 Derive midpoint line drawing algorithm for a line in zone N. If you find zone 0, i.e., then drop the last digit from sum and take % 8 again. If your student id is 16240524, zone = (1+6+2+4+0+5+2+4)%8 = 24%8 = 0

A university consists of several departments. Each department is identified by its name and location. Students are enrolled in different departments. Every student has a student id, student name, address and phone number. A student can be enrolled to exactly one department. A department can have one or more students. Identify classes, attributes,

Please describe the behavioral modeling diagram below with full explanation of it

UML BEHAVIOURAL DIAGRAM Automated Trading House System Accept Orders Customer Sales Process Order Department and Generate Bills Manage Customer Accounts Individual Manager Corporate Customer Handle Customer Queries

In a C++ application, calculate the Betas of 3 stocks to an index using data from a file. Add to your program three stocks in a portfolio. Using the Betas and random number generation for the returns of the index, calculate a random portfolio price path for 10 days. (Programming Language C++)

Prove that in RSA with public key (n,e) and n=pq, the amount of plaintexts x, with Ec(x)=x, is dpdq, where dp=gcd(e-1,p-1) and dq=gcd(e-1,q-1).

Draw 4-PSK modulation signal for the bit message 1 0 1 1 0 1 0 0 1 0.

Under pipelined execution, what would be the IO cost of the query below if we only used the blockatatime nested join algorithm What would be the 10 cost under blocking execution SELECT R.a, S.b, T.c FROM R, S, T Write your answers as equations. Use B(R), B(S), B(T) as the number of pagesblocks T(R), T(S), T(T) as the number of tuples in the

A. Design a 8 bit register file with 10 registers. B. Design an ALU with AND, OR, XOR, NOT, ADD and SUBTRUCT operations that can use the above register file. C. Create a single cycle datapath between register file and ALU. Save 1 digit of your NSU ID in each register of your register file before running instructions given below.E.g. for id

6. In our designed register file, we can write one data at a time. But if we want to write two data at a time,what should we do ,A5 A4 A3 Az A1 Ao Ques 1. cek 471 4X1 4x1 4x197 4x1 3210 3210 3210 so 3210 3210 3210 3210 3210 grial 9 of ight teft To Iy Is Is parallel load. of 1.

write an Assembly program that processes an input text using the following set of rules: 1. Each word follows a full stop should start with a capital letter. For example: . hi -> . Hi 2. Each word follows a comma should start with a small letter. For example: ,Hi -> . hi

Use the alphabet F_{19} and the primitive root 2 mod 19 to compute a generator matrix for a Reed-Solomon code that corrects any error patterns that affect at most 2 characters.

What are the contents of R3 and R4 . MOV R1, 0x12 LSL R3. B0x4 R3 0x120 . MOV R1, 0x12000 LSR R4, R1, 0x0 R3

Let G be a simple graph with 15 vertices and 4 connected components. Prove that G has at least one component with at least 4 vertices. What is the largest number of vertices that a component of G have? Compute the maximum number of edges of G?

Show that the problem L (M) contains any string that contains at least 3 consecutive as is undecidable.

Let an defined recursively by a0 = 3, a1 = 16 and a(n+1)= 4an - 4a(n-1), n>=2. Solve the recurrence relation and verify the formula using (strong) induction

Reflecting upon the entire scope of the issues impacting the nations CI, and teachings on the technical aspects, organizational issues, policy gaps, and other elements, what is the ONE significant contributing action individuals can take to assist America to be prepared for attacks upon our CI?

VSU is protected by a firewall. Security analyst noticed huge amount of traffic coming from two different IP addresses. Analyst wants to block to and from communication on these IP addresses but wants to allow traffic from other IP addresses. What ACL rule you can add first in the firewall?

VSU is protected by a firewall. Security analyst noticed huge amount of traffic coming from two different IP addresses. Analyst wants to block to and from communication on these IP addresses but wants to allow traffic from other IP addresses. What ACL rule you can add first in the firewall?

Calculate the approximate frequency of the signal that will be present on the RA0 port when the following program is run. The microcontroller oscillator operates at 8Mhz #include void mu_delay(void); void init_ports(void); main(){ init_ports(); while(1){ my_delay(); LATAbits.LATA0 = LATAbits.LATA0 ^ 1; } void my_delay(void){ TMR3H = 0x63; TMR3L =

if you have a file of that is the same size as your student ID and a hard drive that has a rotational delay of 5600 RPM disk and a 3ms seek time would a FAT32 file system or an ext2 file system have better performance So, if my student ID is 1011832258 then the file in this example is 1011832258 bytes, Assume no caching. Explain your answer

Write cursor script which takes teacher name as an input and implement above functionality and display information in a proper format. Teacher wants to check the total number of leaves applied by each student, the total number of granted leaves of each student, and the total number of rejected leaves of each student.

The MIPS single cycle CPU design discussed in class (and shown in Problem No. 1) does not include support for the jr instruction. What minimal changes need to be made to the processor datapath to support the jr instruction Instruction (250) Jump address (3101 Shift left 2 28 PC 4 3128 Lower Add ALU Shin shifter Add Hsult RegDst Jump Branch

show the validity V E(s, b, b), Vb Vc Ha (E(b, , d) E(h(b), , h(d)))

Prove for all P Q: prop (~Q -> ~P) - > (P -> Q) using Coq programming language. additional axioms are allowed

Determine an optimum value for y from the following eajua tion. y (2x1) 6 . connider four popula tion initially. Genetic computing X11)

Skolemization / FOL to CNF

P. Q. R are predicates x, y, z, w, v are variables a and b are constants and s is a unary funetion symbol. For each item below, write the result obtained by Skolemization and removing the universal quantifiers. (a) SxSy(Q(x) v Q(y) (b) xyzP(x, y, z) (c) SxR(x) SxR(x) (d) xP(a, x) (e) SxQ(x) Picture in case the above does not render correctly (a)

What is the omnibus cutoff score Question 13 Do you accept the null hypothesis for the a omnibus F test True means you accept the null. False means you reject the null. True False Question 14 For the a priori, What is the Grand Mean between Bluetooth and hand held ,No Phone (4, 5, 6, 3, 4) Handheld phone (0, 1, 3, 1, 1) Bluetooth (5, 2, 2, 3, 3)

4. Every relation from a set A to a set B can be encoded into a matrix. Conversely, any matrix whose entries are either 0 or 1 encodes a relation. For each matrix, determine which properties the associated relation has (select all that apply). ,4D. The relation encoded by the matrix below is (select all that apply). 03 0 0 1 0 0 1 0 0 a function

1. Design a 8 bit shift leftshift right register.

2. Design a 8 bit up counter.

Difference between sequential circuit vs combinational circuit. Explain

4. Design a 81 multiplexer using 41 multiplexer and 21 multiplexer.

5. When designing register file, we used multiplexer to read from a specific register of that register file. However, to write in the register file, we didnt use demultiplexer. Why

What is the output of C Program. int main() int k for(k1 k

Design a named ACL NOWEB to avoid traffic from the host PC1 to the Internet, but allow the Web Server at 209.165.201.30 for the HTTP and HTTPS services and any other traffic. Using IOS with appropriate command prompt to apply the ACL.

Let f : be a one-to-one function such that |f(w)| = |w| for all w . Define f to be one-way if f is computable in polynomial time, but its inverse f 1 is not computable in polynomial time. Prove that if P = NP, then there are no such one-way functions.

What is a value could you add to this redblack tree that would cause a leftright rotation 0012 0008 0014 0008 0010 0004

Brooklane Ltd. has recently appointed a new CEO of the company. Then CEO has several new ideas for the organization. One idea, which he wants to explore is the elimination of annual budgets. You are working as a management team member in this company and CEO has asked you to which investigates this idea. Question a) the CEO setting out the

Construct a figure of signature of Schnorr using group of Z* p and with q=251. Use the figure that you construct to signature the message m with h(m)=101. Then verify the signature.

For each of the following relations schemas and dependencies. R (A, B, C, D, E) with Multi valued Dependencies A->>B and AB->>C and FDs A->D and AB->E Do the following: i. Decompose the relations into collection of relation schemas in 4NF. Answer: ii. List final set of relations. Answer:

Answer the below question based on the below subroutine, which calculates a workers overtime hours If the employee did not work overtime, which instruction writes 0 to the register for the return value CalcovertimeHours addi t2, zero, 40 slt t3, to, St2 bne t3, zero, Noovertime Overtime worked Overtime hours is hours worked 40 sub t1, to, t2 j

(AL1) Given a 3processors multiprocessor system and an application that has 50 of the code parallelized, what is the approximate effective speedup Recall that speedUp(P, N) (1 P)

Q Discussed the rustle in the line 5 and 6. 1. fs 150 2. t 01fs 1 3. f 5 4. xsin(2pift) 5. Xfftshift(fft(x)) Xmag abs(X) 7. dffs21fs2 6.

USING ASSEMBLY HACK, write a program that given (R0, R1, R2) as input values, indicate whether they can represent 3 sides of a triangle. If the answer is yes, return R4 = 1, otherwise, return R4 = 0. (a number can only be one side of a triangle if it is less than the sum of the other two sides)

Write pseudocode for an algorithm to lexicographically sortn >1000 alphanumeric strings of lengthno more than 10 in linear time. (Hint: modify radix sort.)

Show both of the addition tables required for a two-stage addition that adds two numbers from the number system = 5 and D = { -2, -1, 0, 1, 2, 3 } giving a number in the same number system. Ensure the addition can be performed in parallel without having to ripple a carry.

Consider the expression (peg)A(pe). A graph representing this expression will be the graph G V, E where V (p, p.q, ) and E ((p,p), (p.4),(p, a), (a, )). Is this expression satisfiable If it is satisfiable, give a satisfying truth assignment. If it is not satisfiable, explain why it is not. Is its corresponding graph 2colorable If it is

Find all Nash Equilibria for the following instance of BESTRESPONSEDYNAMICS. 6 12 X 15 3 11, T1 T2 T3 N 4.

Kelvin Urich came into the meeting room a few minutes late. He took an empty chair at the conference table, flipped open his notepad, and went straight to the point. Okay, folks, I am scheduled to present the plan to Charlie Moody and the IT planning staff in two weeks. I noticed from the last project status report that you still do not have a

Assemble a multiple-sequence FASTA file with your Gene-Of-Interest and 5 "divergent" orthologs. n

Given the image below, what are the control signals needed to perform the NOT operation (OR (x, y))? ?

zx nx zy ny f no f(x,y) 16 bits ALU out 16 bits 16 bits zr ng

Predicate logic derivation

3. ax(Fx Gx), 3x(Fx Hx) 3x(Hx Gx) 1. Submit O 4. ax(Fx v Gx) vxHx vx((Fx v Gx) ayHy) 1. Submit

Express the significance (mantissa) of the largest negative number for the simple precision of the IEEE 754 format according to the example: 2^x-2^y, where both x and y are integers. You cannot use other characters than those indicated in the example, except for the two variables in which case you substitute the whole numbers including the sign.

Design a fast 8-bit adder. The inputs may drive no more than 30 Lambda of transistor width each and the output must drive a 20/10 Lambda inverter. Simulate the adder and determine its delay.

Using LDA, compute the optimal projection line in a single dimension, for two labelled sets of 2 dimensional points given below Class 1 (1,0), (1,2), (3,0), (3,2) Class 2 (2,4), (3,2), (5,4), (6,2)

Consider the following tableau, where we suppose that (a) 0. 10 5 1 3 1 1 4 1 For each of the possible values of a, B, and y, what is the status of the optimization at the current tableau If the tableau indicates a suboptimal solution, should we take a step according to the simplex algorithm or the dual simplex algorithm How will the objective

Solve in Matlab X(n) a condition a1

Genetic computing 2 A start 19 Find opfimal tour s fr the given TSP (Traveling sales for son) problem. Use PMX cross over algerithm 13 E 16 IS

Does anyone know how to code simple calculator in assembly language on mycompiler.io?

Suppose f=[2,3,4,3,10,12,11,6,5,4,3,4] is an 1D signal. We perform compression of f using a simple predictive coding method. We predict a pixel value as f p (x)={(f(x2)+f(x1))/2 if 2x <12 ; 0 if x <2. where 0x <12. Compute the prediction error e p (3).

6. Given the following IA32 codes, write down the switch function in C representing the same logic (20). switchex pushl sebp Sesp, ebp 12 (ebp), feax 6, eax movl movl cmpl ja jmp .L2 .L7 (, seax, 4) .section .rodata .align 4 .align 4 .L7 .long .L2 .long .long .L3 .14 .long .long .long .long .L5 .L6 .L2 .L6 .text a) Write the jump table for the

1. (a) Why do we need to plan a program Describe in your own words. (b) Demonstrate a Micro Flowchart for finding the largest and smallest number from a 10 sized array. 2. (a) Differentiate between Testing and Debugging. (b) Why debugging is difficult for solving logical errors 3. (a) Define Operating System. (b) Describe the Time Sharing system.

a. Design a 3 bit Ripple Counter. Draw circuit. b. Design a 8x4 ROM (using decoder) with the following contents. Address 000 Data 0001 001 0001 010 0000 011 0000 100 101 110 0111 0110 1111 111 0101

Create a module in SystemVerilog for the following function, 2021Grad G R A (D) 3D Write the code that corresponds to the given numbers on the image. Please label your code with the indicated numbers module endmodule

For a subroutine with 2 arguments and no return value, which instruction loads the second argument to t5 Lw t5 4(sp) lw t5 4(sp) lw t5 8(sp) lw t5 0(sp)

6. For this question, mark all answers that apply. Assume any float or int is stored in 32 bits and float arithmetic is as specified by the IEEE 754 standard for singleprecision. Which of the following statements about floating point arithmetic are true If all values are normal and within range, the product of a group of floating point numbers

Write a selfchecking test bench for the given SystemVerilog module module testMe (input logic j, k, m, output logic p) assign p j k m j k m Ij k m endmodule You only need to include the code from the initial begin statement until the end of the module. Please include an assert and error statement for each possible combination. Edit View

Code for Arduino mega 2560 R3, to sync with the Hc-05 Bluetooth module. The master Bluetooth is on Arduino mega and the slave is connected to nano boards. The Bluetooth must be able to stop a small tram at a location and make sure the small tram can go from the same location to a different location.

Evaluate the following Scheme form: (let ((a 3) (b 4) (+ (* a a) (* 2 a b) (* b b))

MAKE THIS SML CODE OUTPUT "[1,2,3]" fun merge([], ys) = ys | merge(xs, []) = xs | merge(x::xs, y::ys) = if x < y then x::merge(xs, y::ys) else y::merge(x::xs, ys) fun split [] = ([],[]) | split [a] = ([a],[]) | split (a::b::cs) = let val (M,N) = split cs in (a::M, b::N) end fun mergesort [] = [] | mergesort [a] = [a] | mergesort [a,b] = if a

Describe the term RDD in the context of Apache Spark.