Computer Network Questions and Answers August 25, 2022

Create a program that keeps track of specific information for Students. The information stored should be the following: First Name, Last Name, Major, GPA, UIN, NetID, Age, Gender For this simple program we will only need to store 10 students in an array. Your students should be stored in an object called Student. You should be able to add and

1. 2. GH Sdn Bhd. has a gross profit margin of 25 and sales of RM19,500,000 for the recent financial year. 75 of the firms sales are on credit and the remainder are on cash terms. Its current assets now stand at RM3,100,000, current liabilities at RM660,000 and cash in hand at RM320,000. a) b) c) If GHI Sdn Bhds trade debtors balance is

Student needs to write a report, not more than 600 words, comparative study report on selection of routing algorithms such as types, protocols and features while configuring network of small company. The company have branches in other regions in Oman. The company asked you to design a network and configure the routers for the company where all

Write a function called arrayMax that takes two arguments: an integer array and the number of elements in the array. Have the function return the biggest elements in the array.

Analyze the flowing code and understand how you can add text colors using css

h1 h2 P color 00ff00 colorred color rgb(0,0,255) This is heading 1 This is an ordinary paragraph. Notice that this text is red. The default textcolor for a page is defined in the body selector. This it header 2

VES Vacuums is a familyowned manufacturer of budget vacuums has grown exponentially over the last few years. However, the company is having difficulty preparing for future growth. The only information system used at VES is an antiquated accounting system. The company has one manufacturing plant located in AlAin and three warehouses, in AlAin,

Write a C Program to find the Largest Number in a one dimensional array of numbers using recursion function. Use pointer notation. Use a symbolic constant to define an array size. (array size5) Enter element from the keyboard. Expected Output Entering elements 12 45 32 78 12 Printing elements 12 45 32 8 12 The largest number in the array is 45

a) Construct a binary tree for the following set of numbers. 15, 16, 5, 10, 8, 19, 4, 6, 17, 5, 21, 18, 10, 15, 6 b) Write down the new sequences created by traversing the tree in accordance with the inorder, preorder and postorder traversal methods.

During the party the Dean suddenly wants to know who won most Christmas cookies in the Bing or Ding game. He suggests the following algorithm Algorithm 1 Find student with most cookies max snull Randomly order the students. Let ,..., 8, be the students in this random order. Let c, denote the number of cookies won by student s. for i 1,...,n do

You are planning a hiking trip and have decided to carry up to 10 Kg of load in your knapsack. To keep it simple, you are considering carrying only three items listed in the table below along with their weights and values. You may carry more than one of each item, and are wondering how many of each item to take with you in order to maximize the

Consider the following snapshot of a system Allocation MAX ABCD ABCD PO 0012 3312 PI 3121 P2 2103 P3 1312 P4 1432 4252 3416 2324 3565 Available ABCD 3224 Answer the following question using the Deadlock Avoidance algorithm i) Is the system in a safe state ii) P, requests an additional instance of type (1012) and P, requests an additional instance

Draw the logic circuit of the Boolean expr. Y ((AB).(A.C)(CB)).((B.C) A). While drawing the circuit, except the NOT gate, use 3 input gates only. At the output of each gate. also show the Boolean expression of the output. 23 Marks Question 2 Simplify the following Boolean expressions using De Morgan law and Boolean Algebra rules. Show process

Design of a comparison logic circuit We have two bit binary number A (A,A,) and two bit binary number B (B,Bo) as inputs. One bit X, one bit Y and one bit Z as outputs. The working principle of the comparison circuit is as follows 35 Marks If AB20, then X 1, otherwise X0 If AB20, then Y 1, otherwise Y 0 If AB2 0, then Z 1, otherwise Z0 Using

Two tanks with area a 2 are connected together in the following way in the Figure. Where the two valves are nonlinear with flow rates q h and q2 1h. The nominal parameters of the system are h10 16 and h20 (a) Obtain the model that describe the system dynamics. (b) Linearize the system. (c) Obtain the systems transfer matrix. 64 U1 U2 Th h

A company is conducting street surveys regarding customer satisfaction level about some specific product. Since the number of individuals contributing to the survey is unpredictable, the survey is conducted through a program written in CLanguage using linked list structures that contain a character string and an integer data part to indicate the

Iron in the earth is in the form of iron ore. Common ores include Fe2O3 (hematite), Fe3O4 (magnetite), and FeCO3 (siderite). Calculate the mass percent composition of iron for each of these iron ores. Which ore has the highest iron content?

Consider the following function that finds the maximum value of an Array B, prove that the algorithm is correct using a loop invariant. Note that proof of termination is required. isMax(B) ansB0 for j1 length(B)1 if (Bj ans) ansBj return ans

Apply and map the following ER diagram to relational schema. Illustrate the connectivity within relations (tables) through connecting lines. GivenNames Surname Student ID Date of Birth YearEnrolled Year Semester Mark Grade Student N Attempts M N Enrollsin Year Semester 1 Program Contains N Course 2000 Name program id CreditPoints YearCommenced

a) Using a hypothetical example explain the difference between homoskedasticity and heteroskedasticity. How should we deal with heteroskedasticity in OLS estimation (4 marks) b) A researcher is interested to study how computer use affects the test scores. Using data on school districts, she regresses district average test scores on the number of

Use the Booth algorithm to multiply 17 by 19. Draw the schematic of hardware and show the contents of each section after each iteration using a Table, given below Iteration OPERATION Initial Value Iteration1 Iteration2 Initialization Content of register A Content of register Q Conten t of Q 1 Content of QQ Content of register M If a CPU runs at

3. Write a program to create a two dimensional matrix n x m. n and m will be given by the user. Take the values of the matrix elements from user. Write a program that can find out the biggest number from all the even columns of that matrix. Print that biggest number. (6)

9.In an attempt to clean up your room, you have purchased a new floating shelf to put some of your 20 books you have stacked in a corner. These books are all by different authors. The new book shelf is large enough to hold 12 of the books. a) How many ways can you select and arrange 20 of the 12 books on the shelf Notice that here we will allow

(a) Define the main characteristics of GoogleAds in Google AdSense environment and discuss the how its features and functionality can deliver value in a typical costperclick campaign (schematics and examples welcome). 25 marks (b) Explain and discuss four new trends relating to Digital Marketing that have appeared primarily from 2021.

Consider the greedy algorithm for the binpacking problem, which is called the bestfit algorithm place each item into the bin that is the best fit, that is, the bin that has the least capacity remaining (but still has enough room to fit the weight). If it does not fit in any bin, then start a new bin. Apply bestfit algorithm to the instance s1

Chris is the owner of an online retail start-up business. His company creates and sells specialized T-shirts, water bottles, and bumper stickers. He started his business out of his garage, and one year later he purchased a building. Now he employs more than 200 people. They fill hundreds of online orders each day that are delivered to thousands of

7. Rewrite the following Java code for Insertion Sort so that it will sort any Object that implements the Comparable interface public static int insertionSort (int array(1) int 1 n array int in, out, temp for (out 1 out temp) ( nin nin 11 in nin temp Return n

Elizabeth Maxwell, a medical assistant for Dr. Casey, often works at the front desk. One of Dr. Casey's patients, Stephanie Cross, has arrived for a scheduled appointment. On her way in, Stephanie saw a neighbor leaving the office. She asks Elizabeth to look on the office system and tell her why her neighbor was in to see Dr. Casey. Later the same

(2) Create a PDA that recognizes the following context free language with terminals a,b L w number of as twice the number of bs i.e., it should accept aab,aba, baa and so on. (i) Describe your algorithm (ii) Give the description as a complete 7tuple with a transition diagram (iii) Show configuration sequences on ababaa leading to acceptance.

Write a program that stores and retrieves student records. When started the program should ask the user if they would like to list students or add students. Use any input youd like to represent these options (though, numbers would probably be best i.e. Enter 1 to list students, 2 to add student (3 to exit). Your interface should be robust and

3. Show that if A and B sets then A B ANB (Note that Using Venn Diagram is not accepted) 4. Prove that if m and n are positive integers and x is a real number, then x x m m,3. Show that if A and B sets then A B ANB (Note that Using Venn Diagram is not accepted) 4. Prove that if m and n are positive integers and x is a real number, then x x m

Consider the following problem description You are to develop an online reservation system for a train company. The train company includes several trains and realizes trips to different cities. Each train is identified by a plate number and a separately assigned train number. The trips are based on a predefined schedule and stop at predefined

Consider two hosts A and B connected by N routers (total of N1 links) in a packetswitched datagram network. Each link transmits at R.bps. The length of each link is d, and the propagation speed of the medium used is s. We are trying to send a message of Mx L bits (M packets of L bits) from A to B as efficiently as possible. Assume that there is a

Consider the following graph. Assume we are interested to perform topic specific PageRank. Assume the pages related to our topic is S (a, c) and B0.8. Compute the updated transition matrix A. Show all the steps.

Given the following sample of the Web graph o Compute the transition matrix M. o Compute only the first step of PageRank (start from initial rank vector ro and compute ri). 11. 10 marks How PageRank fix the problems of dead ends and spider traps

The assignment derives a comparison of the IoT technologies on sensor networks and wireless communication. An emphasis is made on the operation band, techniques of modulation, data rates and a nominal range of operation. An evaluation is made on the performance of these technologies. The privacy and security issues regarding IoT have also been

a) Consider the given image of the car Car Using Matlab or Python programmingcode, demonstrate the rotation property of the Fourier Transform, using the above image of the car. Use the appropriate Matlab or Python functions or libraries to highlight this property. (13 marks) b) Programmatically (using Matlab or Python functions) show that the

Refer the given table and answer the question that follow TABLE PRODUCT ProID P1220 P1222 P1223 P1224 ProName BUTTER MILK MUFFINS CAKE Category DAIRY DAIRY BREAD BREAD Price 50.555 20.500 35.750 25.255 SupID S1024 1024 S2012 S2055 a. Write an SQL Query to display Product ID first 3 letters from the Product Name for the products with category DIARY

26. Refer the given tables and answer to the following questions. 1 TABLE SUPPLIER SupID S1024 S1025 S2012 S2055 SupName LULU LULU ProID P1220 P1222 P1223 P1224 CARREFOUR SPAR TABLEPRODUCT ProName BUTTER MILK MUFFINS CAKE City MUSCAT BARKA BARKA MUSCAT Category DAIRY DAIRY BREAD BREAD SupDate 20052020 01012021 15122019 28092020 Price 50.555 20.500

What will be the output of the following Java program 1. 1234567 2. 3. 4. . 5. 6. 7. 176 8. 9. 10. 11. 12. class mainclass ( public static void main (String args) int x 9 if (x 9) ( int x 8 System.out.println (x)

What will be the output of the following Java code class area 1. 2. 3. 34 4. 5. 6. 7. 8. 9. 10. public static void main(String args) My double r, pi, a r 9.8 pi 3.14 a pi r r System.out.println(a)

There are 4 processes PO, P1, P2, P3 and three resources A,B,C are available. The resource A has 9, B has 4 instances, C has 5 instances. Use Bankers algorithm to find out whether the system is in safe state or not. Max Allocation Available A PO 3 P1 3 P2 P3 i) ii) 5 2 B 337 1 1 C A 2 2 1 13 0 1 2 2 B 1 C 1 1 10 0 10 1 0 Calculate the need matrix

a) Write a function that computes the Frobenius norm of a matrix (i.e. sum of squared elements). The function should be defined as float fnorm (float a, int Nrows, int Ncols) a is a 1D array that holds elements of a (Nrows x Ncols) matrix in row major order write your code here b) Write a C program that asks for elements of a matrix, and

(a) A second order control system is represented by the following mathematical expression 2s 4z 32 16 y 25) Assume that s, z, and y is located at memory addresses 0xC0002000, 0xC0002004 and 0xC0002008 respectively, and the data size for s, z and y are all 32 bits. Draw the flow chart and write an ARM Cortex MO assembly program to represent the

Money Remittance Company in Oman is implementing a new remittance monitoring system that will calculate the remittance fee when sending money abroad. The system processes the remittance by reading the name of the customer id and the amount of money to be sent. The system will compute and display the remittance fee using the formula Remittance Fee

1. The internet of things (IoT) is a network of interconnected devices embedded with sensors, software, network connectivity and other electronics that enables them to collect and exchange data making them responsive. Open standards for IoT devices are reportedly lacking. However, some major players in the IoT industry have introduced their own

The extract highlights that any successful IOT implementation is reliant on having a highly capable network, an appropriate analytics platform and adequate security, which are driving huge evolution at the network layer. In addition, we are seeing a number of emerging trends at the network layer that are being driven by the need for capacity,

2. Why we need IPv6 when there was already IPv4 Compare and contrast IPv4 against the IPv6 header fields Find the IPv6 address assigned to your computer and paste the screenshot on how you find it.

A signal x n 8 n 1 8 n 2 18 n 3 8 n 4 8 n 5 is passed though a system with an impulse response of hn n n 1 n2 This will result in the output yn yn xn hn In the blank space provided, enter the length of the output sequence yn. Give a numerical answer for this.,A signal x n 8 n 1 n 2 18 n 3 18 n 4 8 n 5 is passed though a

What PHP super global variables give a PHP script access to formdata, under the get or the post method. How do you access the individual values All the keyvalue pairs without knowing the key names Loop through all the keyvalue pairs Check to see if any given value is present or not

Let n 0 be a given integer. In this exercise, we study the conversion of n in base 10 (the usual decimal base), into base b, where b 2 is an integer. For example, the integer n 13 can be written as 1101 in binary (i.e., in base 2), so it has two digits in the decimal base (1 and 3) whereas it has four digits in binary (1, 1, 0 and 1). d An

(a) Write a program using nested loops to generate a 5x7 matrix stored in a list of lists shown below 0, 0, 0, 0, 0, 0, 5, 6, 7, 1, 2, 3, 4, 2, 4, 8, 10, 12, 14, 6, 3, 6, 9, 12, 15, 18, 21, 4, 8, 12, 16, 20, 24, 28 (b) Write a program that computes the sum of the elements in each row and column of a matrix represented by a list of lists (or tuple

OFDM example is given N5, fs 75 KHz, (total) BWchan 75 KHz. a) Create and OFDM class that is capable of generating the OFDM symbol from the indicated parameters. b) Your solution will need to define a mapper from binary to complex c) Your solution should also define a mapping of complex sequences to frequency domain bins. d) Explain how to

Write the binary integers in decimal notation (not in 8-bit twos complement form unless specified). Please use the technique shown in class (do not simply ask Google) and show your calculation as a sum of powers of two as shown in class to get full marks a. 111012 b. 10101012 c. 100101012 (assume this is in 8-bit twos complement form)

Write a method to do matrix multiplication. Write out some of the computations using array indices on paper first to see how you should start programming. On the next slide you will find an example of how to compute multiplication of two 2d arrays. M 3 x 33 x 2 M2 you can only multiply when these sizes match. The result will always have the

2. Write custom functions to generate sample spaces (30 points) a. Create a function named cointoss(n). Where n indicates the number of times to toss a coin. i. 1n 3 ii. Output should be a dataframe Example cointoss(3) 2 123 78 THTHTH T 3 4 5 toss1 toss2 toss3 6 H H H H H H T T H H T T H H H H T T T T

Consider 4 data points in the 2d space (1,1), (0.5, 0.5), (1, 1), and (0.5, 0.5). . What is the first principal component If we project all points into the 1d subspace by the first principal component, what is the new representation of the four data points

a. Write a C program that will read integer N, and calculate The summation 1n10.5...1N n1

The insertion of data into a tree can be done in various ways to ensure the height of the tree is minimum, and that searching the tree for an item is not more than O(login) where b is the number of children on a node. Assume children are sorted left to right. a Draw separate trees with 8 nodes that include one of balanced binary tree neither of

(a) Draw a series of contiguous clusters with a frequency reuse of 4 on the set of homogeneous cells in the figure below. (Use A, B, C, etc to indicate cells that use the same set of RF carrier frequencies.) (b) If 120degree sectors are used in each cell, indicate (on a second figure) sectors that share the same set of carrier frequencies, eg, A1,

Create the following network topology in Mininet using Python Host1 192.168.1.1 Switch 1 Controller 6. 7. Host2 192.168.1.2 5. Have hl ping c 100 h3. How long does this take Is there a difference Switch 2 1. Verify everything below in Wireshark as well (no submission required for this part). 2. Prove using the output obtained from different

Let F(A, B,C,D) A B AC (CD)(A D) G (A,B,C,D) B A (CD) DBD (a) (10 marks) Draw a single truth table for both F and G. The express them in productofmaxterms format using the IIM (...) notation. (b) (10 marks) By using Kmaps, find the optimised sumofproducts forms of both F and G. Mark clearly how you group the cells in the Kmaps. (c) (4 marks) Find

One of the lecturers has the following flowchart stuck on the office door. Start Looking for Yes Do you have an appointment No Is it consultation hour No No Yes Yes Go to reception Is it time for your appointment No Is the door open No Send an email Task explain the above flowchart in your own words. Yes Yes You may come in

Assume the entity class MadScientist exists. Consider the following lines of code List myMadScientists new List new MadScientist (FirstName Kareem, LastName Dana, Age new MadScientist (FirstName Jeff, LastName Babb, Age 45 var query myMadScientists. Where (m m. Age 50) Answers are CASE SENSITIVE. What syntax is this query in (Method or

Consider the logic program program below where the symbols x and 1 are constants, symbols A, DA, B, DB, C, and D are variables, diff is a categorical symbol, and sin, cos, , , are function symbols. 1. diff (x, 1) 2. diff (AB, 3. diff (AB, 4. diff (sin (A), 5. diff (cos (A), (sin (A) DA)) diff (A, DA) DADB) diff (A, DA), diff (B, DB) ADBBDA) diff

Consider a candidate cryptosystem that is used to encrypt a message m with key k where k is an integer chosen randomly between 1 and m2 and m denotes length of the message. If m, is the integermapped character i of the message, the ciphertext c is derived via the following encryption algorithm Ci 2m f (a) How many different unique keys exist for

Consider a star network, where a single node is connected to N1 degreeone nodes. Assume that N 1. (a) What is the degree distribution p of this network (b) What is the probability qe that moving along a randomly chosen link we find at its end a node with degree k (c) Calculate the degree correlation coefficient r for this network. Use the

Consider undirected networks without selfloops or duplicate links. Given N nodes and a variable number of m edges, for what value of m do we obtain the largest diversity of networks And for this m, how does the number of networks scale with N (Hint The socalled Stirlings approximation will be useful I(x 1) x 2x2.ex.)

Suppose that we have an energy harvesting IoT network that consists of two IoT nodes, v and v2, and one sink s, where v2 can send information both to v and s, whereas v can only send information to s. The nodes harvest energy from ambient. They use the harvested energy to make measurements and to transmit data to the sink. For v and v2, energy

Over a fouryear period, Matt Ewing purchased shares in the ClearBridge LargeCap Value Fund. Use the following information Investment Amount 3,500 3,500 3,500 3,500 Year 2018 2019 2020 2021 Price per Share 37 per share 45 per share 42 per share 44 per share a. At the end of four years, what is the total amount invested b. At the end of four

IoT is widely spread and available but the IoT devices are known to suffer from inherent vulnerability limitations. One of the most wellknown attacks is SCADA attack. In the following two PBLs, you are required to carry out an in depth analysis and address the following questions 1. Critically analyse and report a. Attack mechanism b. Implication

a. Assuming I have a very important not confidential message to send to a friend, which is means that I do not care whether the massage is seen by others or not, my aim is to get it to my friend with its integrity ensured. Outline the mechanisms and procedures you would go through to deliver this message securely. (10 Marks) b. IoT is an emerging

Write a Java program that takes two linked lists (that can be single, circular, or double) containing float numbers and merges their elements: (a) in any order. (b) in ascending order. Use extensive comments in your code, and evaluate the time complexity of each method.

Give pushdown automata for the following languages LA character L5 w w is even length, and is not a palindrome w0w2 w w2, w , the set of strings with a 0 as the middle

4. Prove that T(n) ao a a a3n is O(n) using the formal definition of BigO notation.

explain what IP addresses are and how they are allocated. Be sure to discuss IP address classes and the differences between public and private IP addresses. Also, compare IPv4 with IPv6, and discuss the benefits of using IPv6 page.

Do you game online or use a commercial VPN? Do you use office productivity software? Have you ever had to troubleshoot connection issues? Select an application, either one you are familiar with or one that interests you. In your initial discussion post, identify the application and its purpose, the ports that must be open for it to be fully

The elements of the sequence (a) are independent binary random variables taking values of 1 with equal probability. Consider the random variable b a ka1 where k is a constant. The autocorrelation of b, is R(m) Ebbml. (a) Express R(0) in terms of k. (b) Express R(1) in terms of k.

Write c functions f1(), f2(), f3(), f4(), which are assumed to be randomly called by the main program (no need to write the main function) and each time these functions are called the functions will display the percentages of their calling among all 4 functions. Hint You may use global variable to keep the total number of function calls.

Use the bisection method to find a real root of a nonlinear equation (choose your own equation) in an interval a,b and calculate four or five iterations. ii)(10 points) Calculate how many steps must be taken to get the root with the desired accuracy when 0.5x105 is. iii) (15 points) Find the root of the equation in the interval a, b by writing

Draw the algorithmic state machine (ASM) charts for the following state transitions a) If x 1, control goes from S to S and then to S3 if x 0, control goes from S to S3 b) If x 1, control goes from state S to state S if x 0, generate a conditional operation R R 2 and goes from S to S c) Start from S then if xy 00, go to S if xy 10, go to S3

Use the 13rd Simpsons rule to evaluate a definite integral of a chosen function in a given interval by showing the steps and take h0.1. ii) (10 points) Note that the error bound for Simpsons method is calculated by the formula E K(ba) 180n then, evaluate the error bound of this method on this particular example. iii)(10 points) You also find the

1. Design a synchronous updown counter that has the following up and down sequences (0, 1, 2, 3, 4, 5, 6, 7 repeat) and (0, 7, 6, 5, 4, 3, 2, 1 repeat). The counter has a 1bit control input (UD), such that the counter counts upward for UD 0 and counts downward when UD 1. Use negative edge triggered Dtype flipflops and logic gates to implement

8. (a) Draw the state transition diagram for a threebit counter that has the following counting sequence 0,1,2,4,6,7,3,5,0,1... repeats. (b) What is the MOD number of the counter (c) Design and implement a synchronous counter to generate the counting sequence in (a) using negativeedge triggered JK flipflops with a minimum number of logic gates.

The following function is called with N 4. How many stack frames will be created in total until computation terminates int f(int N) if (N 1) return N else if (N else return 2 3) f(N 2) return 4 f(N 1)

(b) Figure 1 shows the implementation of stack using linked list. red data link pNew stack 2 count top blue data link green data link (a) Before pNew stack 3 count top Figure 1 Stack of colors red data link Write C statement to perform the following tasks i. Declare the required structure for the stack as shown in Figure 1. blue data link (b)

What is the output of the following program include using namespace std int main() Enter your answer int x6,j, y3 while(x0) for(j1 j 40) break else y24 x2 cout

What is the output of the following program include using namespace std void swap(int x,int y) int main() int i, j i 10 j 20 swap (i, j) cout

1 The Hopfield model performs to store patterns in figure (1). MO M1 M2 Find 1 1 1 1 X1 3 3 X2 Fig(1) 1 Matrix weight 2 patterns. 3 Number of connection. Activate

Find CFG for the following languages a) 12345 b) 12m3P n

Consider an economy in which the central bank minimizes the following loss function Lt (yt y) x(Ast t) where yt is output Ast denotes the timevariation of the nominal exchange rate defined as Ast St St1, X is a positive parameter. is a constant target for output, while t is a stochastic timevarying target for exchange rate stabilization with

Which of the differential equations given below represents the system with the following block diagram representation x(t) Select one Oa. 3 O b. y(t) Oc.3. 5 d 2 dtzy (t) O d. y(t) d dtx(t) d 1 d 5 d 3 ty(t) zdt y(t) ) x(t) 2 dtx(t) 1 d 52 5 d y(t) 3 dt 32 3 d3 100 2 dt3 y(t) 2 dtx(t) y(t) 2 d 3 dt3 y(t) 3 d 37x(t) dt 5 d A 12 1 d 3

Draw the state diagrams for DFAs accepting the same language as the following NFA. 3 marks a,b 8 a you a,b b b Note Sketch the DFA, upload it as an image, then click Next to

Minimize the following DFA. Show your steps. 5 marks B a A b a G b b a H a a F C a b 6 a a D a,b ) b b Note write your answer and sketch the min DFA, upload it as an

Give a regular expression corresponding to each of the following languages. (each 2 marks 6) 1. L w a, b wa3n6m, n,m 1 E 2. L w E a, b String w contains exactly one occurrence of the substring aa. 3. L (w a,b String w starts or ends with 101 and minimum length is 4 Note Write the three answers clearly, and upload it as one

A heat pump is used in cold weather to heat living spaces. The diagram below shows the heat pump cycles with necessary information. The heat supplied to the living space is 3 kW. the coefficient of performance of the heat pump is 2.65. Determine a) the mass flow rate of the R22 b) the power consumption in kW c) the heat absorbed by the heat pump

What is the final value of z,void main (void) float x2.0 float y3.0 float z zxy(xy)

c) Show the mechanism of the following algorithm using the Queue of size 3. Here, Queue is a FIFO data structure, and m, f and r are size, front and rear of the Queue, respectively. What is the purpose of the algorithm Queue i(f1)(m1) while(if) 30 0 printf(d , Queuei) i(11) (m1) 31 r1 f2 32 3

What is the final value of Z in decimal,X13 Z X 3

4 4. a) How does the following algorithm work for the given binary tree Here, Queue is a FIFO data structure. 2 Queue root while(Queue Empty) vQueue print, v 3 Insert root into Queue Delete a vertex from Queue and store it into v Display v if (LeftChild(v) exists) Queue LeftChild(v) Insert left child of v into Queue if (RightChild(v) exists)