Computer Engineering Questions and Answers May 19, 2021

Design a PLC program to perform the following task A temperature data (Tempdata) is stored in address N720 When Input A is energized, the data will be moved to address N750 X (nTemp data EN750) 180 If x is less than 100, the light1 will be energized. If x is greater than 100, the light2 will be energized. Otherwise light 3 will be energized.

In Booths multiplication method we add one bit on the left of abinary number. O a. Falsealways O b. True in case of positive number O c. Truealways O d. True in case of negative number

In the eightdigit twos complement the max number of negative decimal equal O a. 128 O b. 256 O c. 127 O d. 64

In Booths method. The result after multiply of (010) (0011)is and the value ofn is O a. The result is 6 and n4 O b. The result is 6 and n4 O c. The result is 6 and n5 O d. The result is 6 and n5

used in most modern network devices and in end server links. O a. SCASI O b. O c. FireWire O d. PCI InfiniBand

In the four digit twos complement the max number of positive decimal equal a. 7 O b. 8 Oc. 16 O d. 15

One of them is correct about IO mapped devices instead memory mapped is O a. 10 mapped needs a bigger buffer space than memory mapped O b. 10 mapped produces faster transfer of data O c. none O d. 10 mapped needs fewer address lines

In for Unsigned Binary Division metod if the Q reg1011 and the divisor 11, After tracing the flow chart on book. The initial value at the thired cycle is for reg A and for reg Q O a. 00000, 1001 respectively Ob. 1001, 0010 respectively Oc. 00010, 1100 respectively O d. 00001, 0110 respectively

In Unsigned Binary Multiplication method. The result after multiply of (1101) (1010) is saved at C reg and on Q reg and on A reg, O a. 0, 0010, 1000 respectively O b. 0, 1000, 0010 respectively Oc. 1, 1000, 1111 respectively O d. 0, 1000, 1111 respectively

To bridge the gap of the operating speeds between IO device and the processor we use O a. address recognition b. prediction methods Oc. Status flags O d. large buffers

Design a logical circuit which implements the equation. ((2X A Y)(Z A Y)) (R) . X, Y and Z are 8 bit latches Dont use multiplier. Use latch between each stage and the next. .... Make sure that your design has the data path and control path correctly.

Implement the following class diagram with your preferable programming language. Course 0..n Person Professor speak() void walk() void

write a program in Fortran to Convert the temperature from Celsius to Fahrenheit Note F C9532 3D

What is the result of executing the following sequence of instructions MOVLW OH MOVWF 30H MOVWF 90H RAM Locations F30 and 090 will be cleared RAM Locations F30 and F90 will be cleared RAM Locations 030 and F90 will be cleared RAM Locations 030 and 090 will be cleared All other answers are wrong

Which of the following is False PIC16 microcontrollers have 8 bit data width All PIC18 instructions occupy either 2 or 4 bytes in Program ROM Harvard architecture require less busses that von Neumann architecture Microprocessors dont contain RAM while Microcontrollers have RAM on chip. PIC microcontrollers have RISC architecture

Max size of RAM in PIC18 is Answer OKB OBytes OMB

The data bus width of Program ROM in PIC18 is

How many bytes does the following program occupy in Program ROM ORG 10 MOVLW 10H ADDLW 10H BNC NEXT MOVFF 10H,20H NEXT

Determine the elements of the stiffness matrix for the portal frame with reference to the coordinates shown in Fig. 6.24(a). 3 3 m, 3 m, (6) I 3 m, 6 m, TITT 7777 6 m 21 (a) T H

In PIC18, Special Function Registers are O a. 128 Bytes located in the last bank O b. 256 bytes located in the last bank 128 bytes located in the first Bank O c. O d. 128 bytes located in RAM but cannot be modified

Which of the following is False O a. PIC16 microcontrollers have 8 bit data width O b. Harvard architecture require less busses that von Neumann architecture O. Microprocessors dont contain RAM while Microcontrollers have RAM on chip. O d. All PIC18 instructions occupy either 2 or 4 bytes in Program ROM O e. PIC microcontrollers have RISC

You work for a company that develops medical software. The software collects and analyses patient information. The company is located in California. Various hospitals in the world use your companys software. Explain the relevance of your companys software to applicable data protection regulations.

Convert the following Boolean expression into: 1. standard POS expression 2. a minimum POS expression, 3. a standard SOP expression, and 4. a minimum SOP (A+B )(A'+C)(B+D )

a parametric cubic curve passes through the points in x-axis =0,2 y-axis=0,3 and the derivate =4,6 in x-axis&11,13 in y-axis respectively which are parameterized at u=0,0.5,1 find the slope of curve when u=0.5 find px &py

By using adder, subtract or, comparator, or any other necessary modules, design a logic circuit that can replace the following pseudo-code lines: If (A>5) then X-A+ B, else if (A=5)then X=A-B, else X-2A+ B A is a 3-bit number, while B is a 2-bit number. -Show the design and test codes (internal modules can be implemented using any method).

There are two Algorithm complexity - nlogn and 2^n . Which one is better & why? Explain

When the following program is run, plot the period of the waveform generated at pin7 of PORTD. Show all values on the time axis in terms of cycles. BCF TRISD, 7, ACCESS MOVLW D35 MOVWF COUNT1, ACCESS MOVLW D13 MOVWF COUNT2, ACCESS BSF PORTD, 7, ACCESS L1 DECF COUNT1,F,ACCESS BNZ L1 BCF PORTD, 7, ACCESS NOP NOP L2 DECF COUNT2, F, ACCESS BNZ L2

Explain and justify your answer with proper examples 1. Software systems are engineered 2. What causes the engineering approach to be introduced into software development 3. Why programming is not enough for quality software production 4. Why documentation for the project being undertaken is needed and necessary 5. As a requirement Analyst, your

Framework Activities are applied for software production. As a software engineering describe a process framework in your own words. When we say that framework activities are applicable to all projects, does this mean that the same work tasks are applied for all projects, regardless of size and complexity Explain

Software Engineering: A): The Solutions company wants to initiate projects using OpenStack technology where no other company has started working. In this way The Solutions would be able to attract many IT firms to get their services as a trainer and a pioneer in building their OpenStack solutions. However, as the technology is not known, the

Consider you are the project manager of a construction company. You hear that your project is run into a snag due to weeks of heatwaves on the job site. But you are relaxed and says to your team members No problem we have an insurance policy that covers a cost overrun due to the heat waves. Kindly let us know your competitors, how did you deal

Draw the "Class Diagram" for IU library. An IU library has books, journals, and newspaper. These are the library items. All library material has an id_number and a title. Among all the materials, only books can be loaned to the IU students and staffs. Staff can borrow journals for their research. When a users (staff and students) borrows books,

Given the following information, draw the project network diagram compute the ,early , late and slake time for each activity. Identify the critical path (CP) Use PERT to analyze the chance the delays on CP activities does not push the project duration beyond 40 days. ID Optimistic Most likely Pessimistic Predecessor A 2 4 6 None B 10 11 12 A C 5 6

Compare the complexities of the following two pieces of code using the cyclomatic complexity metrics. What conclusions can you draw about relative complexity of the code? Code A int i = 1; while (i

Hello interested in how to create a shopping cart and accordingly add a form to be filled in when placing an order? using html, css , php and javascript

Develop a class diagram for the following software: A client wishes to set up an internet shopping application. Requirements include the ability of a customer to register with a name, address, payment details, and be assigned a unique customer identification. A customer should be allowed to order any item from the site. When an order is completed

Consider the poset with the following Hasse diagram. Which among the following options is true 72 48 24 12 4 3. 3 and 4 are minimum elements and 72 is maximal. O 3 and 4 are minimal elements and 48 is not a maximal element. This poset is a total order set 3 and 4 are minimal elements and 48 and 72 are maximal. O None of these

Make a presentation. Subjects of presentation: "does not contain twice as many 0s as 1s" and "Satisfiability problem (3SAT)"

Consider the following piece of code for the use of intent 0. public void onClick(View view) Intent data new Intent() 11get the EditText view EditText txtusername (EditText)findViewById (R.id.txtUsername) 11set the data to pass back data.setData(Uri.parse( txtusername.getText().toString())) setResult (RESULTOK, data) 1closes the activity

This line of code Button btn2 (Button) findviewById(R.1d.btn2) is used to O a. Change the button object attributes O b. Map XML widget with a correspondence Java Object Oc. None of the mentioned answers O d. Add ActionListener to the button object ,h Midterm Exam (page 26 of 32) Q PRM391 test3 Flashcards Quizle X Android Mock Test Tutorialspo x

Considering the code below, complete the onCreate method so that it enables your App to show the list stored in the array "ListName". : public class BasicViews3Activity extends Activity { String[] ListName = { "AAAAAA", "BBBBB", "CCCC", "DDDD", "EEEEE", "FFFF", "GGGG", "HHHH", "QQQQQQ", "ZZZZZ", "OOOOO" }; /** Called when the activity is first

Do the following in Matlab; Divide the figure plot in 6 regions and plot the following with titles and x and y labels a) x^2+(y-(x^2)^(1/3))^2-1 both in 2D b) bar chart of x=[1.9, 2.1, 1.5, 3.2, 1.4] c) pie chart of x=[1.9, 2.1, 1.5, 3.2, 1.4], with pulled max slice d) x^2+(y-(x^2)^(1/3))^2-1 both in 3D e) sin(2*x) f) sin(2t) cos(3t)

1. Describe a procedure for determining causality in a computer network. Explain any assumptions and limitations which are relevant to this. Explain why problems with quite different causes often lead to the same symptoms. 2. Now that we are done, compare your impressions of system administration with those you had at the end of chapter 1.

For the following system 0 1 0 0 0 1x 0 u, y1 1 1 0 0 0 a) Design an observer to estimate the state x such that poles of the observer are 5,5, and 10. b) Find a statefeedback law that places the poles of the system to 2, 3, and 4. c) Simulate the combined observer feedback system fromt 0 to t10 with x(0) 1, 1, 3 and Xe(0) 0 0 0. The input

A two-layer neural network is to have four inputs and six outputs. The range of the outputs is to be continuous between 0 and 1. What can you tell about the network architecture? Specifically: i. How many neurons are required in each layer? ii. What are the dimensions of the first-layer and second-layer weight matrices? iii. What kinds of transfer

Suppose that the memory contains the value (12345678)Hex at the address x1. Use this code for questions 12. Id x2,0(x1) sll x3,x2,16 srl x4,x3,24 add x2,x4, x0 sd x2,0(x1) The final value of this memory location after the execution of each of the following instructions is (5 Points) 0000 0056 0000 0000 0000 0078 5600 0000

The Rational Unified Process (RUP) framework is incompatible with the PMBOK process. Select one O a. True b. False ,Time left 11401 stion 12 Which planning process is associated with project scope yet vered management ked out of Select one a. Planning schedule management lag question O b. Estimating costs c. Performing qualitative risk analysis

The project schedule management knowledge area maps to which process group through the activity of schedule control Select one O a. initiating O b. planning monitoring and controlling Od. executing ,Time left 11342 en 14 Which processes include acquiring and developing the project team, performing quality assurance, distributing information,

Which statement best describes outsourcing Select one O a. An organizations use of virtual teams with employees located in different countries O b. An organizations acquisition of goods and services from an outside source Oc. An organization setting up manufacturing and retailing facilities in a new country O d. An organization selling its

Project managers and their teams must recognize the effects of any project on the interests and needs of the entire system or organization instead of focusing on the immediate concerns of the project. Select one O a. True b. False ,The team members of a virtual team are all of the same nationality. Select one O a. False O b. True

Which goal distinguishes project management and portfolio management Select one Portfolio management is an easy task whereas project . management is a more difficult task. Portfolio management asks questions like, Are we carrying out projects efficiently whereas project management asks questions such as Are we investing in O b. the right areas O

In the table below you have information concerning a project, (t) represents the year, (r) is the interest rate for the project. The discounted Return on Investment (ROI) of the project is 151. What is the cash inflow for the second year t1 t2 r 0.100 0.100 cash outflow 30000.000 30000.000 80000.000 cash inflow Select one . 80000 O b. 85000 Oc.

Q: Race conditions can be occurred in any computer program. Consider a group of two students develop a FYP project and maintain a database in it. One student calls an update( ) function on some data and at the same time second student calls update( ) on the same data to update the database. Describe what problem can be arise in the scenario and

Q: Explain what are the salient differences between mutex lock and spin lock? Which operating system uses mutex lock and which one uses spin lock?

For the Cricket World Cup 2021, a fly-over has been constructed between the hotel where the teams are staying and the stadium. This fly-over will be used by the Pakistan team and the Indian team in the upcoming semifinal on Sunday. A tram car is used to cross this fly-over, but it seats only four people, and must always carry a full load. We

Question 2. Marks 12 a) You are given a oneway linked list and a twoway linked list and asked to perform the 4 following operations. i. Traversing the list to process cach node. ii. Deleting a node whose location Loc is given. Searching an unsorted list for a given element ITEM. iv. Scarching a sorted list for a given clement ITEM. Inserting a

Which statement is true about the difference between an inline element and a block element A) Block elements have paired tags inline elements have only one tag. O B) Block elements display with blank lines above and below inline elements display embedded within the flow of other text strings and elements. C) Block elements can be assigned ID and

Describe (either in words or in the form of pseudocode) a polynomial-time algorithm to solve a Travelling Salesperson Problem.

Write your key and m first; n = 15-m. Using a 4-bit counter ABCD (with high-active load input Load), obtain an m-n counter. Load = ?, Inputs = ? m = 2 + (37 mod 3).

Which statement is true about what will happen when the example code runs 1 main proc sub edx, edx 2 3 mov eax, 40 4 call testEx 5 exit 6 main endp 7 testEx proc 8 pop eax 9 pop edx 10 ret 11 testEx endp 12 end main O The code will run with no issues and eax will equal 40 O The program will halt with a runtime error on Line 9 O The code will run

Design a Moore sequence detector for sequence 111 in which overlapping is not allowed.

Using the BNF below, write one or more procedures to sum all of the elements in an . Make sure to call your function nlistsum. (OI( . ) (nlistsum (5 (4 2) 5 7)) 23

Write an 8085 assembly program to continually read an input value from the input port address 100 and output this value to the output port address 200. repeat this loop for 10 time using register B as counter

Prove the following claim. If L1 E NP and L2 EP then LU L2 E NP. First (i) formulate what you assume and what you want to construct, then (ii) write down the proofconstruction and (iii) provide a complexity analysis of your construction so that you can argue that the union belongs to the class NP.

6. Write a JS timing code that ask the user to enter his internet connection information every 3 seconds, and it will stop doing that if the user enter the correct information. assume that the correct connection information is 123 A (5 Points) 10 minutes Enter your ariswer

Write an assembly language program using GNUSim8085 to Load 8 to the Accumulator then using loop increment the con Accumulator by 1 until its content reached 52.

Mr. Rahim has a Shop in Bashundhara City. He sells many mobile phones and accessories every day. Sometimes his customers do not have change of the actual price and give Mr Rahim more money. Then Rahim needs to return the additional money to the customers. One day, he sold a phone to his customer. The price of the phone was 25300 BDT. The customer

Of all the following real world consideration of logic circuit design, which is the time it takes to travel through a gate circuitdesconsi Static 1hazard gate hazard delay O Sirmulation O propagation delay O Dynamic hazards O Static 0hazard O the maximum number of inputs on each gate (fanin) O wiringtransmission delay O factoring the logic

Consider the following Scala code object Question def f (xInt) () Int var c x () C c x When this code is compiled with scalac, the closure built for the anonymous function is represented using a class. Which of the following best describes the fields that are required in that class (Hint recall that parameters in scala are immutable.) O

Generate a Huffman tree and determine an optimal Huffman code for the following text: Life is the most difficult exam. Many people fail because they try to copy others, not realizing that everyone has a different question paper.

Below is the assembly for a function getbuf2 that is very similar to the getbuf function from the attacklab. It also calls gets with a small buffer argument. Trace the assembly all the way to the call to gets and draw out the call frame to determine how many padding bytes you would need in order to overwrite the return address. (Do not include the

Use case diagram and draw the sequence diagram of cars autonomous project in draw.io online software?

Recently, Mark is facing a problem. Though he is a billionaire, his phone is very old and behaves strangely. One day, he noticed that his phone has N% charge but after every M minutes (N/M)% of total charge is decreasing even if he doesnt touch the phone. He was worried about how much time he could get to use the phone before it turns off. The

Draw the activity diagram of autonomous cars project?

What is the average utilization of the Assembly and Control operator? A. 41.8 % B. 52.6 % C. 50.8 % D. 49.1 %

Decode the message 18, 1, 13, 1. 14, 21,10, 1, 14, 27, 9, 19, 27, 7, 18, 5, 1, 2 1 2 20 by using the matrix A 1 0 1 (A1, B2, Z26, Blank space .... 2 1 1 27)

Use case diagram, draw the sequence diagram of autonomous cars project?

Which of the following choices is true about the following code REG EQU 10H CO1 EQU 20H CO2 EQU 30H SETF TRISB CLRF CO1 MOVLW 08H MOVWF CO2 MOVFF PORTB,REG AGAIN RLCF REG BC NEXT INCF CO1 NEXT DECF CO2 BNZ AGAIN O a. It counts number of 0 bits in REG O b. It counts number of odd numbers read from PORTB O . It counts number of 1 bits in REG O d.

Q: You are required to code two processes; the first shall simulate the first process and other the arrival of second process. These processes can come at any time, in any order. The first process shall call a procedure called FirstHere on the arrival of first process. Similarly, the second process shall call a procedure called SecondHere on the

Write the equation for the node1 (number( 2 3 Ohm 7 Ohm 5 A 8 Ohm 1A a) V2 (182 130) V2 (130) V1 5 A O b) V2 (18Q 132) V2 (132) V1 5 A O c) V2 (13N 130) V2 (18N) V 5 A d) V2 (180 130) V2 (130) V1 5 A

Store these four vectors using an autoassociative net with no selfconnections. Then discuss the answer SI 1 11 1 S2 11 1 1 1 S3 1 1 1 1 S4 1 11 1

We need to send data 3bits at a time at a data rate of 24Mbps using MFSK. Assuming a carrier frequency of 300MHZ, and to reduce interference, we are using guard band of 1MHZ each. Calculate the following 1The number of levels levels 2 the Baud rate M baud 3 2Af MHz 4 Minimum required bandwidth MHz

write a suitable software for setup UART Serial Controller that connected to microprocessor at port address AOh as follows baud300bps (clock 18.432 MHz), data8bits, parityodd, stop bittwo. Draw waveform of serial output if data send 67h.

Suppose that you have a file with 10,000 blocks .9 and four buffers. Assuming that the external sorting algorithm is used. Show your work A) Calculate the degree of merging 2 POINTS B) Calculate how many passes it will take to sort the file completely 2 POINTS

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Determine the output spectrum for 7 points AM modulator operation with a modulation index 0.5, the carrier power is 40.5 W, and the message signal is m(t) 3 sin 2t fm t T with a minimum value of m(t) 4.231

Illustrate the DES key generation using the following 64bits key 11011101 11010011 00111011 10101011 11011110 10110100 00101010 10011010 A B I E E E

need the answer quickly

3 A block of EEPROM memory that starts with location 73H. Write a simple PIC code that can fill the memory with values 1, 3, 5, 7, and 9

Given points p1(1,2,0),p2(3,6,20),p3(2,4,6) and viewport C(0,0,-10). Determine which point obscure other when viewed from C.

common cathode 7 segment display Row value is loaded in register RO and column value is loaded in register R1. What should be written where the codes write to load the number value into the R2 register as in the table. ,4 3 2 1 4 16 15 14 13 3 12 11 10 9 2 8765 4 321 mov a, 1 mov b, 2 3 mul ab add a, 4 5

Write the following for the FSM above 1 A behavioral level Verilog code 1 A testbench Verilog code ... ,0000 1001 00 0000 0110 orvo crrr Ao04 0010 A 10

3) Ux any her hieragchical agpseach to form the any ummunit and find the modalarity 6. 8.

A 8bit ADC with Vref 3.4 V has a step size equal to 0.009375mV mv (you have to write 2 digits after the decimal point.not,) for Vin3V, the output is equal to 110011001 11100001 10110110111 101110100011 will be repeated 1110011101 111000000 10111101000 111001010011 noone of the mentioned DE T ET BRNE now

A new pipelined processor has 10 stages. How many cycles would be required to run 500 instructions on this processor, if 5 of the instructions are LWs that cause a 1 cycle stall and another 2 of the instructions are branches with incorrect branch predictions that cause a 2 instruction flush (but there are no other delays)

Calculate the precession of the perihelion ofMercury, following the approach described in class. You can use thetextbook values for semi-major axisa= 0:39 AU and eccentricitye=0:206.

A 16bit PIC hardware timer is driven from the internal clock signal, and the MCU is operating with a 20MHz crystal. Calculate the preload value required to produce an interrupt every 10 ms.

Alex has some pillars of different heights. He is trying to arrange the pillars in descending order according to their heights. Recently he has learned Divide & Conquer (D&C) algorithm strategy. There is a sorting algorithm in Divide & Conquer whose special case is, f(n) = O(n^2). So, now you have to help Alex to sort the pillars with

When the frequency f4 KHz, the effective bandwidth of the following signal is approximately sin(2 Ttk ft) 4 AX TL s(t) k 1, odd O 4 KHZ O20 KHz O 1 KHz

Consider the following code snippet: a) Write the test cases using Equivalence Class Portioning (ECP). b) Generate mutants using relational operator replacement, arithmetic operator replacement and variable replacement operator. c) Calculate the mutation score for the test case generated using ECP.

void merge(int arr, int 1, int m, int r) int n1 m 1 1 int n2 r m int Ln1, Rn2 for (int i 0 i n1 i) Li arr1 i for (int j 0 j n2 j) Rj arrm 1 j int j 0 int k 1 3D while (i n1 j n2) if (Li

Write a C program to create a linked list from the array a[]={7,10,3,5,8,2}

How will you represent a linked list in a graphical view? Explain with an example.