Computer Engineering Questions and Answers May 23, 2021

How clustering or other ways works to find similarity of quiz answers among all students and identify unfair means?

A young engineer on active duty with the Air Force discovers that a component used in three aircraft is overdesigned. A special adapter, costing several hundred dollars, is required for every component. The original purpose of the adapter was to permit the component to be used with a certain aircraft, but that aircraft now has been phased out of

Draw the 2tree corresponding to each of the following algebraic expression E (a3b)(2xy)

Given the following statement of restrictions 1 X1, X2 5 and S 2x, x2 6 (2x, 3x, 5 Sx1 2x2 0 (b) X252 Either (a) or or both (a) and (b) above apply. Formulate a discrete programming representation of these restrictions.

Given a string, reduce it in such a way that all of its substrings are distinct. To do so, you may delete any characters at any index. What is the minimum number of deletions needed Note A substring is a contiguous group of 1 or more characters within a string. Example S abab Substrings in s are a, b, a, b, ab, ba, ab, aba, bab, abab. By deleting

Refer to the memory snippet and registers values to answer the following question. DS 2E1CH , SS 2D83H, DI F02CH, SI D6ESH , BPE077H Physical address () Content () 3B8B4 C8 4A 78 30 DO 9B 388AE 87 54 16 FA 64 388A9 A9 5B 2E 51 3B8A5 97 88 23 EF 388A1 C1 What will be the value of DX after executing the following instruction MOV DX,JSI)5 Answer

Refer to the memory snippet and the following registers values to answer the next 4 questions. SS 483A, DS4871, DI52A4 BP160B,, SP261E,, Physical address () Content () 92 4D9C7 CD 8A 4F 14 84 29 4D9CO F9 B1 4C 4D9BD A5 B7 16 41 4D9B9 8E 6A D5 59 5B 4D9B4 DO ,5B 4D9B4 DO 1 What will be the value of SP and BX after executing the following two

Refer to the memory snippet and registers values to answer the following question. DS 2E1CH , SS 2D83H, DI F02CH, SI D6E5H, BP3E077H Physical address () 3B8B4 Content (Hexa) C8 4A 78 3C DO 9B 3B8AE 87 54 16 FA 64 3B8A9 A9 5B 2E 51 3B8A5 97 88 23 EF 3B8A1 C1 What will be the value of DX after executing the following instruction MOV DX,SI5

Decrypt the following cipher text which is encrypted using a transposition cipher with the column out key (351642). Cipher text ACDTEVLNWIREDEEEROFOESEA

Your app must compile There should not be any lagging in the app when executed. Were looking at the quality of your code, your code style, consistency of your code, architecture, design, and application of best practices. Dont focus too much on the user interface, using default views andor basic custom views is fine. We recommend not to use

Write comments in every single line in java package com.company; import java.lang.*; import java.io.FileWriter; import java.util.*; import java.time.format.DateTimeFormatter; import java.time.LocalDateTime; import java.lang.*; import java.io.BufferedReader; import java.io.FileNotFoundException; import java.io.FileReader; import

Given the following entry in a routing table S 192.168.7.11 5118 via 192.168.8.2 Identify the cost of the path Identify the AD What type of route is this

There is a floating static route configured in a router. At least how many routes are configured in that router Submit PQ 12.4.2 1 point possible (graded) Using what command would you troubleshoot or verify your configurations

ISP fo f1 LANONE f2 CENTRAL f3 fo fo fo LANTWO fo fo RONE SO so f1 RTWO so s1 RTHREE fo fo LANTHREE,Given, the following IP Addressing table Device Port Address RONE SO 47.131.161.71 RONE f1 177.10.251.102 RTWO SO 24.77.23.41 RTWO fo 177.10.251.198 RTHREE SO 47.131.161.142 RTHREE 1 24.77.23.123 RTHREE 1 177.10.251.60 ISP 10 177.10.251.99 ip route

Given the Boolean function F xyz xyz xyz a. List the truth table of the function. b. Draw the logic diagram using the original Boolean expression. c. Simplify the algebraic expression using Boolean algebra.

The freezing points and boiling points of the solution which contains 32.0 g NaCl in 129 mL of water is and respectively kf for water 1.86Cm kb for water0.52 Cm density of water 1 gmL 15.79C 104.41C 1.90C 103.05C 1.59C 100.5C 10.90C 103.05C

A line in the Balmer series occurs at 434 nm. What is n high for this transition B 6 3 5

Let a chip be taken at random from a bowl that contains seven white chips, four red chips, and one blue chip. Let the random variable X=1 if the outcome is a red chip, let X=4 if the outcome is a white chip, and let X=7 if the outcome is a blue chip. Find the pmf of X. Draw a line graph and probability histogram for this pmf. Find the mean and

Solve for y

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Given a set of N positive integers S={x1, x2, x3,, xk, xN}, decide whether S can be partitioned into two sets S0 and S1 such that the sum of numbers in S0 equals to the sum of numbers in S1. This problem can be formulated as a minimisation problem using the objective function which takes the absolute value of the difference between the sum of

The following program is a mutual exclusion protocol for two processes due to Pnueli [1]. There is a single shared variable s which is either 0 or 1, and initially 1. Besides, each process has a local Boolean variable y that initially equals 0. The program text for process Pi (i = 0, 1) is as follows: loop forever do begin l1: Noncritical section

Being an IT personal how will you prepare security awareness plan, also explain the awareness importance in any organization?

Cloud Foundry CLI is used to ____________________. a) Get Watson credentials programmatically b) Manage instances c) All the options d) Control the Bluemix cloud

Explain the group of DEBUG commands that could be used to verify the operation of STOSW as we used to do with most of the instructions we learned in class. Note that you have to mention the commands in order. Note The typical answer should look like this First, I will use command to Second, I will use command to as so on.

a) One day, Arif is kidnapped by aliens who come to his carpet shop to take him a completely different planet. When Arif sees the world through the window of the cabin he is in, he is shocked and realizes that he is in space. When he calms down, he begins to look for ways to return to the world. He decides to call Muhittin, one of his close

What will be the final value of DI after executing the following piece of code Execute the instructions dependently one after another. CLD MOU CX,OFOH MOU AX.02874H MOU DI,01000H MOU ES, DI SUB DI,DI REPNZ SCASB X0000 X0000 Cx0000 DX0000 SPFO18 BP0000 S10000 DI0000 us0000 ES0000 SS1060 CS000 Ir0000 HU ur EI PL NZ NA PO NC 60 DB 4 10000 r 10090000

Consider the DEBUG screen shown below to answer this question. xx0000 BX0105 CX0801 DX0000 SP00FD BP0000 10114 DI0000 DS1234 ES 073 073F CS 073F IP 0100 MU UP ET PL MZ NA PO CY 073F0100 0000 BXS11.AL DS621900 ADD D 1234100 120 12340100 91 80 80 77 68 C1 29 FZ96 34 61 BD CZ C9 78 20 12340110 20 66 19 75 68 12 92 1226 23 84 C1 90 E9 3A 60 12340120

The correct instruction to mask bits 3,5,9 and 12 of DX is DX,

Refer to the DEBUG screen below to answer this question. xF753 EXBSFA CX649F DX4D8 SP00FD Br0000 SI0000 DI0000 s073r ES673ar sse7ar cse7ar P 8160 MU Ur EI PL NZ NA PO NC What will be the value of AX after performing the following operation IMUL DH Write down the value of AX in the space provided below without any additional characters. Answer

After executing XLAT instruction, the content of system registers is ES3F3D1H DS041C, DI1234, BX0201, and AL A0, (all values shown are in hexadecimal and the addresses shown are physical addresses). What is the content of AL before executing this instruction Address Content 20 40 60H 80 H A0H COH 447C 447D 447E 447F 4480 4481 4482 E0H Notes 1 Use

One day during the summer (T=35C), saturated liquid water is superheated to 400C using 6600 kg/min ideal gas (Cp = 7/2R, MW=42). During the heat exchange process, 90 kJ of heat is lost per kg of steam. If the gas was initially at 480 C and reduced by 270 C, Calculate the rate of generated entropy [18]Do you think this process is real? justify your

4. (5 points) What is the direction of acceleration of the motion described by the motion diagram Recall that direction of acceleration is same as the direction of change in velocity vector. Therefore, you must draw change in velocity vector to answer this question. Moving to the right .. 5. (5 points) A ball was moving initially rolling with

What is the value (in V) of Ecell for the following reaction Co (aq) Fe (s) Co (s) Fe (aq) Question 3 What is the value (in V) of Ecell for the following reaction Pb (aq) Be (s) Pb (s) Be (aq)

Which of the following instructions do not affect the status of the flag register Select ane SCASW O POPF O SAHF STD None of the provided answers O CMC

Create a class called BrainLobeGUI. This class should extend JComponent. Create a class called Lobe. Create a class called MainLobeGUI. This class should contain a main method. You may add any number of variables, methods or other classes you find helpful. Add private variables to the Lobe class the contain information defining one of the lobes.

Design a 5-bit "shift left-shift right" register.

What is the Difference between sequential circuit vs combinational circuit?

Design a 8:1 multiplexer using 4:1 multiplexer and 2:1 multiplexer.

Design a 4 bit register file with 10 registers

Design a 5 bit "shift left-shift right" register. Draw by hand

Design a 5 bit down counter. Draw by hand

What's the Difference between sequential circuit vs combinational circuit?

Use SQL for the following 1. Create table CUSTOMER with following details; 2. Insert rows shown in Fig. 1. 2. Add a column called "Gender" in CUSTOMER 3. Add a column called "Email" and another column called "Telephone" 4. We want to fill the details in address having length in character is 80.

CUSTOMER (FirstName, LastName, Address, City, Country, BirthDate) The logical structure of CUSTOMER is Attribute Name Data Description First Name VARCHAR2(15) VARCHAR2(15) VARCHAR2(35) VARCHAR2(15) VARCHAR2(15) Last Name Address City Country BirthDate DATE FirstName LastName DateOfBirth Address Country City John Smith 12121969 Western Road USA New

For the given circuit, what will be the value of R1, R2, R3 and R4 after saving 5 in RI, 9 in R2, 2 in R3 and 8 in R4 Value of RI Value of R4 After saving value after saving 5 in RI after saving 9 in R2 Value of R2 Value of R3 after saving 2 in R3 after saving 8 in R4 R1 Write Datab o00 DMX MUX 100 1Read Data 1 R2 Write Register 1 Read register

Use SQL for the following 1. Create table Student (ROLL_NO, SNAME, MATHS, CHEM, PHY) with appropriate date types for columns 2. Insert five rows into the table Student. 3. Calculate the total of marks and add column TOTAL to Student table. 4. Set the values of TOTAL for each row. 5. Calculate the average of marks and add column AVERAGE to Student

Q2. Inspect the code below and answer the following questions Find all data dependencies in the code below. Execute the following code on a 5stage pipelined datapath without forwarding and with forwarding. How many clock cycles does this code take without forwarding and with forwarding Can you do code scheduling to remove all stalls Iw

What is the MIPS assembly code to load this 32bit constant into register s0 0000 0000 0011 1101 0000 1001 0000 0000

Define Register (in a CPU chip) term using 13 sentences

Define the terms Program counter, Stack, and Stack pointer

What is the MIPS assembly code to load this 32bit constant into register s0 0000 0000 0011 1101 0000 1001 0000 0000 A BI II

Last two digit of student ID 15 1) a) Find the real root of the equation f(x) 2x 2x 5 in between 1 and 2 such that the function value is correct up to 4 decimals using secant method. Also calculate the approximate error (a) for each iteration performed. Perform 5 iterations. b) Use the bisection and regular falsi methods to determine the drag

(a) Find a 2 x 3 system Ax b whose complete solution is x w 2 Solution (b) Now find a 3 x 3 system which has these solutions exactly when b1 b2 b3 0. (Note b b, b2 b3.) Solution

2. Reorder the following complexity from smallest to largest a. Nlog(N) b. N (N Factorial) c. log(N) a. N (N Factorial) b. log(N) c. Nlog(N) O a. N (N Factorial)) b. Nlog(N) c. log(N) O a. Nlog(N) b. log(N) c. N (N Factorial) O None of these O a. log(N) b. Nlog(N) c. N (N Factorial)

Fill in the blanks of the given pseudocode that builds a frequency array for data values in the range 1 to 10 and then prints their histogram as shown.

1 (7) 2 (5) 3 (10) Line 1 Loop for(y1 to ) Input value of array. (y) Line 2 Line 3 Line 4 Loop for(x3 for(y Print( Endofloop( (arrayx) (x) to 10) Line 5 to arrayx) Line 6 Line 7 Line 8 Line 9 10 (3)

[3*5 = 15 Points] Consider the given grammars below. Convert each of them to its equivalent Chomsky Normal Form (CNF). State each step clearly. S AACD A aAb | ac | C aC | a D aDa | bDb | d | S XSB | X pXS | p B SbS | X | bb S aAa | bBb | A C | a B C | b C CD | D A | B | ab

[3*5 = 15 Points] Consider the given grammars below. For each below, find out if the given CFG accepts the given string w using CYK Algorithm. You must show the triangular table. S XY |YY X ZZ |XY |x Y YY |ZX |y Z YX |XX |y String, w: xxyy S XY |YZ X YX |x Y ZZ|y Z XY |x String, w: xxyxy S XY |SS|a X YS |ZT| b Y TT|b Z TR |a|b T a R

Polo Babywear Ltd was formed on 30 August 2013 and its first financial year ended on 30 June 2015. The audit firm of Ross, Young & Partners has tendered for and won the audit for the first financial year. After signing the audit engagement letter, Mr. Ross is approached and asked to act as the company secretary for a period of 6 months because

Design a data warehouse to manage a hotel chain and to address the described issues. Problem specifications A big hotel chain has over 500 hotels of different categories all over the world. Every day in the data base of each hotel, information on free, reserved, and unavailable rooms and corresponding customers is stored. Rooms may be unavailable

For the conceptual schemata of the database, establish an environment for the execution of simple and advanced queries in Oracle. The global schemata is as below EMP (ENUM, NAME, SAL, TAX, MGR, DNUM) DEPT (DNUM, NAME, MGR, AREA) SUPPLIER (SNUM, NAME, CITY) SUPPLY (PNUM, SNUM, DNUM, QTY) The logical relation structure of the tables described in the

Use the Booth algorithm to multiply -23 by 29, where each number is represented using 6 bits. Show the hardware and contents of each section in each step.

A computer system contains a main memory of 32KB. It also has a 4KB cache divided into four-lines/set with 64B per line. Assume that the cache is initially empty. The processor fetches words from locations 0, 1, 2, . . ., 4351 in that order. It then repeats this fetch sequence nine more times. The cache is 10 times faster than main memory.

A computer system contains a main memory of 32KB. It also has a 4KB cache divided into four-lines/set with 64B per line. Assume that the cache is initially empty. The processor fetches words from locations 0, 1, 2, . . ., 4351 in that order. It then repeats this fetch sequence nine more times. The cache is 10 times faster than main memory.

Using the hardware given to the right, show the addition of two numbers in steps as it would take place. A = 18.625, B = 2.125 Show the steps in detail. Also show the contents of different registers (R1, .. R8) and control bits (C1, .. C9). It is noted that Control bits (C1, .. C9) could be either 1 or 0 and you can assign the logic levels for

R1 Sign Exponent Small ALU Exponent difference C1 Control C7 C5 R6 C9 Fraction R3 Increment or decrement C2 C4 C8 Sign Exponent Sign Exponent Shift right R4 C3 Big ALU Rounding hardware R7 C6 Shit left or right R5 Fraction R8 Fraction Compare exponents R2 Shit smaller number right Add Normalize Round

One of the means of generating high voltage DC voltages is the utilisation of an Electrostatic Generator. Using a neatly drawn sketch, appraise the principle of operation of the generator and provide at least three advantages and two disadvantages of using the said generator.

C5 C12 Data AC PC IR Bus C13 Control signals ALU M Control FlagsC24 MQ C25 unit Address (C140 R1 c19 Bus Clock Control signals C15 0 OK c20 R2 C16 O R3 O C21 C170 R4 O C22 RAM C18 0 R5 K C23

(a) For the circuit in figure Q2.a, where the switch has been at position A for a long time, the switch moves from position A to position B at t 0. (i) Find the initial value of 13 (t), 13(0), which is the current before the switch moves to position B. (ii) Find the 13 (t) for t 0. (iii) Without any proof, state the final values of 1 (t) and

2. For what values of atoms p, q, r will the following formulas be falsc (a) A ((p (a r)) (b) B (p V q) () V (pA9))

(a) Find the network address. Answer format X.x.x.xy where x is octet decimal value and y is the prefix mask IP Prefix Mask b) Whats the last host address of above network address Answer format x.x.x.xy where x is octet decimal value and y is prefix mask Do not use space IP Prefix Mask Connectionspecific DNS Suffix Linklocal IPV6 Address

Given the data set: f = {4, 2, 1, 6, 4, 3, 1, 7, 2, 2}. apply two iterations of bin method for value reduction with best cutoffs. initial number of bins is 3. what are the final medians of bins, and what is the total minimized error?

Minimize the number of state in the given below DFA a,b q1 a 93 92 b. a,b qe

Determine the Input, Process, Output and create algorithm/ pseudocode and flowchart: 1. Sending e-mail to a friend. 2. Ordering a kiddie meal in a food chain

Write a python code for the following problem.

Write a Python code that will take a onedimensional array of 5 elements as input, add the elements of the array, check whether any element is 0 or not and replace O by 1 if found. The program will then add the elements of the modified array and print the number of zeroes in the first array.

Explain the application of Preprocessor and Loader/Linker in terms of Compiler Design.

Obtain the twos complement for 11110100

An 8.155 kg block was placed on an inclined plane (35 degrees with respect to the horizontal). A 150 N horizontal force is applied on the block. The coefficients of static and kinetic friction are 0.4 and 0.25, respectively. The block was originally 1 meter above the ground and was moved 1.5 meters vertically from its initial point in a period of

Explain about Machine Dependent and Independent Code Optimizer. Discuss briefly.

Design and develop programs using assembly language and C language to gain insight into instructions of microprocessors and microcontrollers.

Write down a assembly language implementation to move a string from String A to 03 CO3 StringB ) (b) Differentiate between Macro and Procedure for 8086. 02 CO3

Differentiate between Macro and Procedure for 8086.

Explain how procedures use stack for near and far jumps with suitable example.

Explain how the following instruction will be converted to machine code MOV CX,[437AH].

Describe the relation among try, catch and finally keywords for exception handling with suitable example.

Define Interface. Explain how JAVA supports multiple inheritance using Interface

Explain each of the following StringBuffer Manipulation Methods with suitable example : insert(), reverse(), replace() ,append() ,capacity()

Define Exception Handling in JAVA with suitable example.

Write down the output of this program: class A { { System.out.println(1); } } class B extends A

Anita has to develop a software project. As she is new, she doesnt have much knowledge about scheduling principles i.e. how to schedule a project. So, for scheduling a project, what principles she has to be concerned about?

Write short note on black box, white box and gray box testing. How to decide whether one should go for black box testing or white box testing or gray box testing?

Rudra is working as a project manager in a renowned software company. He has all kinds of resources to build his project. Being a renowned company, his software company has already developed several software. Now he has a new project in hand. But he does not take any precautions about any kind of risks. (a) If Rudras to-be-built project is almost

Suppose you are a developer in a software company. You have built an LMS (E.g. google classroom). What types of system testing should be done on this?

Explain the similarities and dissimilarities between Base addressing mode and Index addressing mode.

Suppose an image displayed on a particular monitor is having a washed-out appearance. You are supposed to implement a power-law transformation method to fix this issue. Now what you need to do to produce the image on the monitor having better appearance?

Draw and explain a E-R diagram for a university where the main entity sets are student, course, course offering and instructors. Write a short note on i)3rd normal form and ii) boyce codd normal form. Write the basic SQL queries

Define and describe Composite Signal and Bandwidth. Is throughput and bandwidth same? If not, then write down the differences between them. What is Pulse Code Modulation (PCM)? Describe the processes for PCM.

What is a knowledge base of an expert system? Describe it. Solve the problem below: Let, KB = AC, BC = AB DOES: KB ?

In CMOS circuit why need to worry about power?

The control unit of a processor performs two tasks: (1) It causes the processor to step through a series of micro-operations in the proper sequence, based on the program being executed, and (2) it generates the control signals that cause each micro-operation to be executed. The control signals generated by the control unit cause the opening and

You have been provided with the following instruction sets. a. ADD R1, R2, R3 SUB R1, R2, R3 MUL R1, R2, R3 DIV R1, R2, R3 Load R1, A Store R1, A Move R1, A b. ADD R1, A SUB R1, A MUL R1, A DIV R1, A Load R1, A Store R1, A Using these instruction sets you are required to write instructions for the following mathematical expression. (ABC)((AC)B)

This function is given by 1(2.) (a) Find a formula for the single variable function f(0, y) Try f(0.) What is f(0,0) for this function f(0,0) Find its limitasy0 lim f(0, y) PHO (z,y) (0,0) (z,y)(0,0). (b) Based on your work in (a), is the single variable function f(0, y) continuous O f(0,0) lim f(a,0) 40 (c) Next, similarly consider f(z,0).

Every interrupt is Assigned a value and a priority to deal with. Similarly interrupts are also hardware and software in categories. Discuss how these interrupts are maintained in our computers and how a vector information about interrupt is stored and where it is stored.

LPS Table Creation and KMP Algorithm Implementation in C++

What is the difference between an exam and a test?