Operating System Questions and Answers August 02, 2022

Question 1 (40) Find out the longest sentence in the following paragraph 111 text Once upon a time there was an old mother pig who had three little pigs and not enough food to feed them. So when they were old enough, she sent them out into the world to seek their fortunes. The first little pig was very lazy. He didnt want to work at all and he

A thermal wheel is used to recover energy from the extract air leaving a building at 5 kgs mass flow rate and 23 C dry bulb temperature. The heat is used to preheat the fresh air supply coming in at 5.5 kgs and temperature of 12 C. The thermal wheel speed is 20 rev min. (a) Draw a schematic of a typical thermal wheel with the temperature

Due to the tragic news that a muchbeloved queen has passed, her citizens have put together an organising committee for the funeral. As the death was sudden, the committee has little time. Tradition dictates that the monarchs funeral service must feature richly embroidered carpet that covers the length of the church aisle. That is, it must be

Two walls A and B are maintained at temperatures T and Tg, respectively. One end of a metal rod of length is embedded in the wall A, while the other end is fixed to wall B, the rod loses heat by convection to the environment at T... Derive an expression to determine (i) the temperature distribution in the rod (ii) the total heat lost by the rod

Using Visual Paradigm to Develop Use Case and Activity Diagrams: In this virtual lab exercise, you will develop UML diagrams describing the as-is system for a scenario of your devising. First, you will describe your scenario in general terms in plain English prose. Then you will use UML to first develop use case diagram(s) and then activity

You should explain and justify your answer a. Describe the heat transfer which occurs in fusion welding. 10 marks b. Where does the heat affected zone (HAZ) occur in fusion welding, what effect does it have on the base metal c. What is the main difference between welding, brazing and soldering 10 marks

This question has two separate parts. Assume potential flow. Solve both of them. (a) Find the resultant velocity vector at point A in the figure where a uniform flow (U), a source of strength (A)and two counterclockwise vortices (I) have been superimposed. 10 marks ttttttt U10ms 30 y 3m 3m r 12ms 4m A A 9ms 4m r 12ms x

If the IASB conceptual framework had a paragraph inserted that addressed measurement and that paragraph suggested that one basis of measurement, such as present value, should be used by all reporting entities, thereby excluding the use of historical cost, do you think that all reporting entities would simply adopt this suggestion? Remember,

Figure 11 shows a rotating shaft carrying two steady loads F and F at C and D, respectively, which is supported by two bearings at A and B, respectively. The detailed graph near the location B shows the sizes of the shaft at its different portions AB and BC as well as the radius of the fillet in the shoulder. For this direct design problem, as the

7. Longer emails are easier for readers to process if information is broken into chunks, such as short paragraphs and bulleted lists. OFalse True

You should explain and justify your answer a. Why is electric discharge machining a good process for the manufacture of plastic injection mould for a model railway engine body 10 marks b. Once a solid model has been created either in CAD or by scanning a solid object, what has to be done to convert this into a form which can be interpreted by any

Q.1) Determine the maximum allowable length L for the column AB shown below. It carries a centric load P 24 kips. Cables BC and BD are taut and prevent motion of point B in the xz plane. Use Eulers formula with a factor of safety of 1.7, and E 30x10 psi. P 24 kips B W12 x 30 D x

Assume that the following registers contain these HEX contents AX F000, BX 3456, and DX E390. Perform the following operations. Indicate the results and the register where it is stored. Also provide the values of ZF and CF in each case. a. AND DX, AX b. OR DH, BL c. XOR AL, 76H d. AND DX, DX e. MOV CL, 04 SHL AL, CL f. SHR DX, 1

Construct a CortexM4 assembly program to implement the pseudocode below. This code is from steps the tag takes to determine its rank in the order that 00 is communicating with tags. Define the following data items in the code area PIDr, PIDprev, and array PIDQ. Define the following data items in the data area rank and usedprev. The value of count

For a twoclass classification problem, we use an SVM classifier and obtain the following separating hyperplane. We have marked 4 instances of the training data. Identify the point which will have the most impact on the shape of the boundary on its removal. 01 02 04 s 3 X Figure 2 Q7 2 O A

Question 3 (1 mark) Assume that your program has classes Student, Subject, DPIT111 and DPIT113. What is the most appropriate relationship among these classes. Draw a UML diagram that indicates your system architecture. You only need to show the classes (not the attributes or methods) and the correct relationships.

Write a function to perform the NewtonRaphson method for any scalar nonlinear equation f(x) 0. The inputs to your function should be a function that calculates both f(x) and f(r), an initial guess for the root, a convergence tolerance, and the maximum number of iterations. The function should output the calculated root and the number of

Ann is an accountant at Acme Corporation, a mediumsized firm with 50 employees. All of the employees work in the same building, and Ann knows all of them on a firstname basis. In fact, Ann distributes paychecks to Acmes employees at the end of every month. Anns 10yearold daughter is a Girl Scout. During the annual Girl Scout cookie sale, Ann sent

Use the potentiometer sensor connect to pin A4 to enable users to configure the timer frequency. const byte LED_PIN = 13; const byte METER_PIN = A4; void setup() { pinMode(LED_PIN, OUTPUT); pinMode(METER_PIN, INPUT); Serial.begin(9600); startTimer(0.5); } void loop() { } void startTimer(double frequency) { noInterrupts(); interrupts(); OCR0 =

Provide the StreamUtils.java implementation for the StreamTest.java Your code must use Stream and the intermediate and terminal operations on Stream Hint: wink! wink! import java.util.Random; import java.util.stream.Stream; public class StreamUtils { //provide your method here StringBuilder stringBuilder = new StringBuilder(); Stream. //provide

Consider the two parabolas 2ry1, yyr3 (a) Use fimplicit to plot the curves on the same set of axes on 4SI4454 4. How many points of intersection are there (b) Use Newtons method to compute the intersec tion nearest to the origin (z,y) (0,0). Exe cute enough steps so that your approximate values are accurate to four places after the decimal point.

The area A of a triangle is given by A acsinB, where B is the angle between sides a and c. If a is increasing at 0.4 unitss, c is decreasing at 0.8 unitss and B is increasing at 0.2 unitss. find the rate of change of the area of the triangle, correct to 3 significant figures, when a is 3 units, c is 4 units and B is 76 radians. (8

Q.2) Determine the maximum allowable centric load for the column shown below. The column has an effective length of 8 m and column is built by connecting four L102 x 102 x 6.4 mm steel angles with lacing bars as shown. Using allowable stress design, determine the allowable centric load for the column. Use Oy 240 MPa and E 200 GPa. R 250 mm 250 mm

Q2 Consider the following scenario where you have to calculate the total delay from source A to destination B. There is n (n your birth month) number of hops between Host A and Host B. Suppose you have to send 1000 Mb of data where the link speed between Host A and Host B is constant in Mb and it is your birthday. Now calculate the total delay of

We consider the following CFG SE SIE E 0123456789(S) Apply the leftmost derivation and rightmost derivation with a topdown parser for this sentence (37 (14)) 2

(1) Translation Lookaside Buffer (TLB) can be considered as a cache of Page Table Entries (PTE), where each cache block is just a single page table entry. Consider there is a 32-bit single-core CPU with a 128 entry fully-associative TLB. Each memory page is 4KB. Consider that both the virtual memory address and physical memory address are 32 bits.

You have been hired by ABC company to predict how an investment of one million dollars into advertising a new product will produce profit for the company. By using a graphic organizer of your choice, create a visual graphic to compare and contrast between the use of simple linear and predictive regression in forecasting market demand for a

Write a program which takes two strings as input from the user (str1 and str2). This program should print two strings as output (op1 and op2). op1 should contain all the characters which are present in str1 but NOT present in str2. op2 should contain all the characters which are present in str2 but NOT present in str1. For example Example 1

Solve the following question using the GaussJordan Row Reduction Method. (2)2(8)y (6)z 48 (3)z (0)y (9)z 24 (8)z (1)y (7)z 26 Answer

e 1 Problem 4 Consider the sequence hn shown below. What are all the frequencies we 0, where H() 0. Hint hn is the convolution between two rectangular sequences of odd lengths. hin 2 3 3 3 0 0 0 2 4321 0 91 1234 n

A cost object is the item for which managers want cost information, so the first step is to determine appropriate cost objects. a. True b. False

In this project, you are going to write an Ant class to simulate Langtons Ant. You can see the brief explanation here. In this simulation, a virtual "ant" moves about a two-dimensional square matrix, whose spaces can be designated white or black, according to the rules below: If the ant is on a white space, it will turn right 90 degrees relative

The request queue for disk cylinders is 78, 137, 156, 120, 103, 87, 177, 65. Initially, the read-write head is at cylinder 100. Calculate the total head movements using Shortest Seek Time First (SSTF) disk scheduling algorithm. Answer Choices: a. 153 b. 150 c. 154 d. 152

Explain the difference between register-to-register, register-to-memory, and memory-to-memory instructions. Why do you think their existence necessary? Please give example(s) to demonstrate

You live in Switzerland and want to try to make some money through interest rate arbitrage abroad. You notice the following rates quoted online Bid Ask Spot exchange rate CHF 1.1247EUR CHF 1.1290EUR 150day Forward exchange rate CHF 1.1918EURCHF 1.1972EUR 150day EUR interest rate 8.48 p.a. 8.74 p.a. 150day CHF interest rate 11.56 p.a. 11.90 p.a.

10 (25) The address of a storage location in main memory is the 000 page numbers physical address virtual address space frame numbers address space virtual address

What competition principles are small businesses using? Are big businesses using the same principles? Or do they require different competition principles?

PROGRAMMING IN JAVA - ASSIGNMENT: JAVA CLASSES Instruction: Give java code for a support class called Vote that allows a user to add "yes" and "no" votes to some total votes, and allows the user to find out which has the higher number. Code class must contain the constructor and methods specified below!

Give code for a support class called Vote that allows a user to add yes and no votes to some total votes, and allows the user to find out which has the higher number. More specifically, your class must contain the following constructor and methods A constructor of the form Vote (int yesVotes, int noVotes) This constructor sets the initial number

1. A random sample is one in which the A. probability that an item is selected for the sample is the same for all population items. B. population items are selected haphazardly by experienced workers. C. items to be selected from the population are specified based on expert judgement. D. probability of selecting a population item depends on the

To assess whether students are computer literate, a test is given at the end of each semester. The test is designed so that at least 70% of all students who have taken a special micro-computer course will pass. The college does not wish to declare that fewer than 70% of the students pass the test unless there is strong sample evidence to indicate

A robotic arm is designed for 3D printing. The length of the robotic arm to its end effector varies according to r(0) (0.5 0.251 cos(20)) m. If the robotic arm is rotating at a constant angular speed of 0.5 rads. Estimate the magnitude of the velocity and acceleration of the end effector of the robotic arm when 0 45.

There is a rare disease that only happens to 1 out of 100,000 people. A test shows positive 99% of times when applied to an ill patient and, 1% of times when applied to a healthy patient. Please answer the following questions. 1. What is the probability for you to have the disease given that your test result is positive? 2. What is the probability

A project has a required return of 12.6 percent, an initial cash outflow of 42,100, and cash inflows of 16,500 in Year 1, 11,700 in Year 2, and 10,400 in Year 4. What is the net present value Select one O a. 12,006.13 O b. 10,457.09 O c. 10,933.52 O d. 11,208.62 e. 11,748.69

If an MRI machine is expected to have a life of 10 years and the original cost is 10,000 then 1,000 will be what type of annual expense: Depreciation Encumbrance Capital loss Allocation Allotment

Over two hundred billions emails are sent every day. Some subject lines are better than others. Write an email subject line for this email topic. Do not write emails, just subject lines. You are writing an email because you want to talk about the change in policy and new rules agreed upon by the Academic Council for attendance for AUD students.

Write a program that computes an integral numerically, using the composite trapezoidal, mid point, and Simpson methods. Input for the program consists of the integrand, the ends of the integration interval, and the number of (uniform) subintervals. Apply your program to the two following integrals (a) o 14 dx, 1x (b) fx dx.

A disadvantage of static budgets is that they a. cannot be used by service companies b. are dependent on the previous years actual results Oc. show the expected results of a responsibility center for several levels of activity d. do not show possible changes in underlying activity levels

Operating systems come in three basics types: desktop operating systems , server operating systems , and mobile operating systems . Explain each type and mention 2 examples per type.

32. The program below executes but gives the answer 20183048 for the sum. Explain what is wrong or make a correction directly on the code. int main() int n1 5 int n2 10 int sum 33. The program below has a compiling error uninitialized local variable Explain what is wrong or make a correction directly on the code int main() sum n1 n2

Sandra works in British Columbia and is paid on a semi-monthly basis. She has a claim code of 1 on both her TD1 and TD1BC. She has the following types of earnings, benefits & deductions. She will not max out on CPP or EI this pay and will have full deductions. Please use 2021 rates for your calculations and show not only the deduction value

Modbury Network's acquired Paradise for $6.7 billion. Paradise is properly valued by the market at $3.5 billion immediately prior to announcement of the transaction. The new company combined the search engine capabilities of one of the best-known brands (at that time) on the Internet, Paradise, with Modbury's agreements with 42 cable companies

The following information relates to the performance of a manager in 2020. Benchmark weight Equity Bonds Cash Actual returnActual Weight 7.55 0.4 3.50 0.3 0.70 0.3 Sector Basic material Details of investments in different sectors of the equity market are as follows Business services Capital goods Consumer cyclical Consumer noncyclical Credit

Virtual Machine Design for a Solar Panel Manufacturing Company. Recently, you have been hired as a Virtualization Administrator for a solar panel manufacturing company. While the company is in Denver, the growth of the industry has prompted them to offer their services nationwide. Their current Information Technology infrastructure in their local

Using the Windows XP scheduling algorithm, determine the numeric priority of each of the following threads. A. A thread in the REALTIME_PRIORITY_CLASS with a relative priority of HIGHEST. B. NORMAL_PRIORITY_CLASS, NORMAL C. HIGH_PRIORITY_CLASS, ABOVE_NORMAL

Dividend expense shows up on which financial statement Income Statement Balance Sheet Statement of Cash Flows None of the Above All of the above

Review the resource allocation graph below. rel r2 (p1) rel r1 (p2) Which state does it represent in this state transition graph answer with sXX, e.g. s00 s00 req r2 s01 acq r2 S02 11 S03 acq r1 r2 s04 req ri 10 11 12 s13 14 acq r1 rel r1 20 22 23 req r2 30 31 32 33 acq r2 rel r2 40 41

28 With respect to physical safeguards, how is the Security Rule different from the Privacy Rule 22 BO The Security Rule focuses on safeguards for electronic protected health information, while the Privacy Rule focuses on safeguards for all protected health information. The Security Rule doesnt address physical safeguards, while the Privacy Rule

Suppose your organization was contemplating switching from a host-based architecture to clientserver. What problems would you foresee?

Explain how the commitment of top management is one of the key factors associated with project success.

Please answer with Excel

7. Shipping Fruit. Wollmer Distribution Company collects fruit from several small farms in the region, consolidates its collections, and then ships the fruit to a regional wholesale fruit market by truck. Having made their collections, the company has in stock 57 tons of grapes, 62 tons of peaches, and 81 tons of bananas. Wollmer owns four trucks

Write a Java GUI program Instructions Design and create a menu driven program to activate the function of the 2 problem written below (the problems should be chosen in a menu to be executed). The program should be in GUI format. Case 1. The cost to become a member of a ABC Fitness Center is as follows a) The Senior Citizens discount is 30 b) c) If

2. Write a program which will take an integer N (0

Answer the following questions A) Explain the concept of Embedded systems. B) Give three examples of embedded systems (make sure you highlight why the system you selected are considered embedded systems). C) Choose one of the systems you mentioned earlier in section 2 and explain its Behavioral hierarchy and structural hierarchy. D) Based on

Create a file called artists.js that will scrape the provided url: http://www. popvortex.com/music/charts/top-rap-songs.php and print to the console all artists & songs that are sung by the specified artists given via the command line. Requirements: The specified artists must be read in via the command line (important that it must be input by

Define the term PROCESS and describe the relationship between PROCESSES and PROCESS CONTROL BLOCKS also please specify the steps performed by an OS to create a new process. Computer OS functions resemble a working Restaurants functions. Here we are going to use OS and Restaurant analogy. This question is about an analogy between a restaurant and a

To Junior Business Analyst From Jamila Kanji, CEO Date Week 6, 202x RE Questions Junior Business Analyst Our company is pleased to announce that we will be exploring a potential expansion strategy with cannabis retail locations. Review the dataset you may want to build a spreadsheet for yourself (try a SparkLine) and identify the best province

For this assignment, you have to complete a literature review on the topic of requirements engineering practice. Literature reviews give you the opportunity to get a good overview of the field or of a specific topic within the field. The purpose of a literature review is that someone else who is interested in the topic can read your review and get

The trade-off between transportation and inventory costs is significant when designing a supply chain network. Two fundamental supply chain decisions involving this trade-off are the Choice of Transportation Mode and Inventory aggregation. Design a complete supply chain network for an FMCG company based in Pakistan. However, suppliers are both

Write a program that has global variables avgint and avgfloat. Write a function that will take an arbitrary number of intsfloats as arguments. In the function, you will need to process all of the values passed into the function, first determining if the number is a float or an int. You should keep track of the total and number of ints and floats

Problem You have been contracted by the Tono irrigation project to do cost analysis for the production of irrigation rice. The data generated for such an estimate are as follows Years of use for depreciation Investment Land Dam Reservoir PumpEngine Pipeline accessories Canal system Gross Cost (C ha) 365,000 562,500 120,000 375,000 255,000 Assume

order releases for all components. 15. One unit of A is made of two units of B and one unit of C. B is made of three units of D and one unit of F. C is composed of three units of B, one unit of D, and four units of E. D is made of one unit of E. Item C has a lead time of one week items A, B, E, and F have twoweek lead times and item D has a lead

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Write stack algorithm and apply any example to give the output of each methods push(b) pop(),size(), isEmpty(), top() using array or linked list Then find a minimum number that insert 2 Write Queue algorithm and apply any example to give the output of each methods enqueue(b) dequeue(),size(), isEmpty(), front() Then find a total value of numbers

262 for the salespeople. Sales are mainly to the large U.S. retail grocers. The pudding is shipped to the grocers from the distri bution warehouses based on orders taken by the salespeople. Your immediate task is to prepare an aggregate plan for the coming year. The technical and economic factors that must be considered in this plan are shown

Case Part B Quality Control Analytics As part of the process for improving the quality of their cars, engineers have identified a potential improvement to the process that makes a washer that is used in the accelerator assembly. The tolerances on the thickness of the washer are fairly large since the fit can be loose, but if it does happen to get

The production foreman for ABC Corporation has proposed the following two projects for minimizing costs and generating higher revenue Project 1 Retool current production equipment. The following price quote has been identified Retooling costs Setup costs In addition, the following incremental cash flows have been identified Increased revenue for

Calculate Annes remuneration for 15 April 2022. INFORMATION The normal wage of Anne is R200 per hour and her normal working day comprises 9 hours. The standard production time for each employee is 10 minutes per unit. On 15 April 2022, Annes production was 60 units. Using the Halsey bonus system, a bonus of 50% of the time saved is given to

Grainger: Reengineering the China/U.S. Supply Chain W. W. Grainger, Inc., is a leading supplier of maintenance, repair, and operating (MRO) products to businesses and institutions in the United States, Canada, and Mexico, with an expanding presence in Japan, India, China, and Panama. The company works with more than 5,000 suppliers and runs an

Consider a polluting firm with marginal savings curve MS given in the diagram below. The industry is regulated in a capandtrade scheme and the price of a permit currently is 100. In its current situation, the firm neither buys nor sells any permits. There is a new technology available that if it were adopted by this particular firm, it would shift

Cleveland Area Rapid Delivery (CARD) operates a delivery service in the Cleveland metropolitan area. Most of CARD's business involves rapid delivery of documents and parcels between offices during the business day. CARD promotes its ability to make fast and on-time deliveries anywhere in the metropolitan area. When a customer calls with a delivery

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The following selected financial data pertain to four unidentified companies Balance Sheet Data (component ) Cash Accounts receivable Inventory Property and equipment Income Statement Data (component ) 1 Companies 1 2 3 4 7.3 28.2 21.6 32.1 Cost of goods sold Profit before taxes Selected Ratios Current ratio Inventory turnover ratio NA Not