Computer Network Questions and Answers September 03, 2022

Solve the following initial value problem (xy 2x 2y4)dx xy dy 0, y(1) 13 5

Solve the following IVP by using your preferred method for finding the particular solution. y2y8y9 cosx2 sinx, y(0) 4, y(0)6 a. b. C. d. y ex 3 ex sin x y 2e4x x cos x y 3ex 2 ex cos x y 2e4x e3x sin x

Solve each of the following initial value problems (IVP) (i) y xy 0, y(0) 0, y(0) 2 (ii) y (x2x1)y (4 4x)y 0, y(1) 0, y(1) 1 (iii) xyxy 2y 0, y(1) 0, y(1) 1 (iv) xy3xy 4y 0, y(1) 1, y(1) 0.

Write an Intel 8051 microcontroller assembly language subroutine program to perform the following (17) 10 910 Store result in memory location 05 H Add data in external RAM locations 8000 H and 8001 H and store the result into memory location 8002 H 23x2 46 Return (6 marks)

A computer employs RAM chips of 10248 and ROM chips of 5128. The computer syster needs 4K bytes of RAM, 1K bytes of ROM to design a memory system. a. How many RAM and ROM chips are needed to design the memory system b. Draw a memoryaddress map. C. Draw the block diagram for memory connections to the CPU.

Consider an undirected graph which is formed by taking a binary tree and adding an edge from exactly one of the leaves to another node in the tree. We call such a graph a loop graph. An example of a loop graph could be the following one As Assume you are given a weighted loop graph (each edge has a positive integer weight). Design an efficient

Assume you are leading a team of programmers and designers, who are responsible for adding files to an embedded operating system. Lets say the create() and open() files are added. The team is working on read() file to assist sequential file access. Considering the above mentioned scenario answer the following questions 1. According to the

Assume that in this artificial neural network, neurons use sigmoid function (y1 (1ex)) as an activation function. Weights are given on the links. Compute the intermediate values and the last output on the network using forward pass using the inputs given on the network (Do not use biases). Girdi (Input) A 0.35 Girdi (Input) B 0.9 0.1 0.6 0.8

The table below represents a 5x5 digital image. Apply the 3x3 median filter to the image. Show your steps. Specify how you handled the missing pixels at the edges. (You may choose one of the possible approaches to handle missing pixels) 75 145 60 50 35 20 40 55 115 25 15 5 65 85 30 45 90 175 195 150 150 245 200 135 70 8

In the graph below, what is the possible order of the visited nodes (a) when you apply Breadth First Search (BFS) starting from node 2 and (b) when you apply Depth First Search (DFS) starting from node 1 5 32 20

. Three Bit Counter Design For An Elevator 1. Design a 3bit updown counter which counts upwards as the input is 1, and it counts downwards as the input is 0 by using JK type FF and only NAND gates for an elevator. The next state must be 000 after 000 state when input is 0 and the next state must be 111 after 111 state when input is 1. (Do not

A number n is considered to be triangular if we can find a sum of numbers in the range from I to m that is equal to this n. m is a number that is strictly smaller than n. For example, 10 is triangular because there is a sum resulting in 10 1234 10 and 4 10, whereas 5 is not triangular because no sum that starts with 1 to a number smaller than 5

respectively. boolean arraysEqual(int array, int array2) int n array1.length int m array2.length if(n m) return false Consider the following algorithm, where the input is two arrays of sizes n and m, for(int k 0 k n k) if(array1k array2k) return false return true 1. (5 points) What is the best case time complexity of this algorithm

5. Give the worstcase time complexity of the following code segments, show work and provide reasoning. i1 while (i

3. Write a function to find the median value of a given binary search tree. 10 5 13 71 3 7 14 The median value of the above binary tree is 8.5 10 1 5 1 13 1 3 7 12 14 The median value of the above binary tree is 10

Write a Java program that displays a shape representing capital letter of X as shown in the examples below. The program should ask the user to enter an odd integer number greater than 2 representing the size of the letter X in terms of number of rows and columns. Appropriate error message should be displayed if the user input for size is invalid.

Create a Python program twofunctions.py containing two functions A function listofchars (s) that returns a list with all the characters in the input string s. For example, input string Jonas should return the list J, o, n, a, s. A function isincreasing (1st) that returns True if the integer list 1st is a strictly increasing sequence of integers,

words as shown below. Write a program which separates sentence, there is a cat, into there is a cat Output

ANALYZE the given AVL Tree where 2 has just been inserted. 1 3 2 Check balancing of this tree and fix it if it is not balanced. After balancing it insert these numbers 8.13,15, 17, 12, 11, 10, 9 into the Tree by following AVL principle. You should get a balanced AVL Tree when finished.

4) Let us consider a block code where b b b2 b3 b4 be the message and c C C2 .........C7 be the codeword, such that C b C2 b2 C3 b3 C4 b4 b4 b4 C5 b1 b2 C6 bb3 C7 bb3b4. I. Find the generator matrix. II. Determine paritycheck matrix. III. Determine all the codewords of the code. Also show the necessary calculations. IV. Decode the

Draw shortest paths from a starting node to all other nodes in the given Graph by applying Dijkstra Algorithm. Starting Node A for students with Even last digit in student id Starting Node D for students with Odd last digit in student id F 16 E A 6 8 10 24 5 21 23 18, H B 14 9 7 D

Draw the DFA that is described by the formal definition (90, 91, 92, 93, 94, 0, 1, 2, 6, 90, 90) with d defined by and 8(qi, 0) qir 8(qi, 1) 9(i1 mod 5), 8(qi, 2) 9(i1 mod 5) (a) Draw the state diagram of your DFA in JFLAP, export the image as a png or jpg file, and include it as part of your submission. (b) Describe the language recognized by

Consider the DFA, M, whose state diagram is given by 90 b q1 b 92 b a a b b q3 a q4,a) Describe the language L(M). b) If we L(M), will the string obtained by swapping as and bs in w also be in L(M) Explain your answer. c) If w L(M), will the string wR (the reverse of w) also be in L(M) Explain your answer d) Describe in your own words the role of

Write an OBJECTORIENTED PROGRAMMING using class Set to display the content of an array named set in original order and reverse order and compute the sets standard deviation. 1) The set has a size of 8 and the elements are (5,10,15,20,25,30,35,40). The program must have three programmer defined functions to perform the above mentioned tasks and the

Given the following diagrams representing coordinate transformation via rotations only, write the general form of the coordinate transformation matrix M that would be used to transform the components of a vector from coordinate system e in to system et. For parts a, b and c, your answers should only be in terms of cos(9), sin(0), 1 and 0. a. ez

Write a C program that accepts four numbers from a user and print out the total and average of four numbers. Sample output Enter number 12 Enter number 29 Enter number 3 5 Enter number 4 4 Sample output The total is 20 The average is 5

a) Write an OpenGL code to display the following output in a window with Red filled color. Window P1 P2 Figure 1 Graphics output P5 P4 P3 (5 marks)

Write a program that has two parts to demonstrate different types of loops in this language. The first part should ask for an unlimited number of quantities from the user one at a time. Use a while loop or do while loop your choice to ask the user for the next number over and over until they give you 1 as value to stop the loop. This loops should

What is the asymptotic upper bound (tightest BigO) of the following algorithm, assume n is the input and is a positive number (Briefly explain your solution.) 1 i n 2 while (i 1) 3 4 5 6 7 8 9 0 1 2 i while (j

State all the errors and the reason of errors, in the three relational operator expressions illustrated below. 3 4 3 62 10 5

3) Write a code that will do a) Reads the elements of two matrices M1 and M2 with the size of two rows and three columns. And then finds the sum of the two matrices, i.e., CM1M2. Use the following input values for M1 and M2 32 4 1 5 3 2 1 3, M2 2 3 7 b) Find and print the maximum element row of the matrix C c) Find and print the average of each

Consider the following method. public static int mystery (ArrayList numList) if (numList.size() return 0 else 0) numList.remove(0) int val return valmystery (numList) Which of the following best describes the value returned by the method

Write a LMC program that can convert an n-bit binary number into a decimal number. Display the natural number as output before halting the program. The first input determines the value for n. It is assumed this value will be equal to four, or greater. For example, if the first input is eight (8) then eight subsequent inputs are requested. If the

defined as ... For a finite list of numbers 1,... (a) Show that x 1 n n Xi 02 and 0 n n 1 In the mean and variance are 1 n (x x). () . n 1 (b) Write three functions in R title mymean, myvar1, and myvar2 that carry out the three computations described above. (c) Test your functions on several different input sequences, and try to find a

4 0 A Markov chain X (0), X(1), X(2),... has the transition state diagram shown below. 3 5 512 1 2 310 3 4 5 The diagram above shows all possible transitions, but not all transition probabilities are labelled. (a) Write down the transition probability matrix P for the Markov chain. Given that the Markov chain is initially in state 4 (b) Use matrix

Five jobs arrive nearly simultaneously for processing and their estimated CPU cycles are, respectively Job A 12 ms, Job B 24 ms, Job C 30 ms, Job D 18 ms, and Job E 16 ms. a. Using FirstCome FirstServed, FCFS scheduling, in what order would they be processed What is the total time required to process all five jobs What is the average

Consider this recurrence relation T(1) 1 T(2) 1 T(n) 4 T(n2) 2n for n2 The Master Theorem tells us T (n) (n) T (n) e (n log n) T(n) (n) T (n) e (n log n) nothing

Consider the following graph with starting state A and goal state G. The values on the edges indicate the cost of traversing the edge. The values beside the nodes represent its heuristic estimate. 11 A B E 7 99 C D G Apply A search algorithm to the graph and list the traversal order and the path cost of the final solution. 10 marks

Write a program that allows the user to add, view, and delete names in an array list. The program must present the user with options (add, view, or delete) to choose from and an option to quitexit the program. For example Add adds name(s) to the list. View view name(s) in the list. Delete removes name(s) from the list. The user must type the

a) Examine the three elements of Cyber Security that are generally used to protect computer networks and systems. (10 Marks) b) An ethical dilemma is a situation a person faces in which a decision must be made about appropriate behavior. Discuss any five key professional ethical values to be considered when faced with ethical dilemma at the work

1. Find a vector 3 so that 1,2,3 are linearly independent. (1) 31 32 2. More important than finding a specific solution, can you describe a general procedure for solving the problem above 3. Can you find the matrix Me R2 that stretches the plane away from the origin along the the line y x 7 Hint Which vectors will be transformed by a scalar

What is the step count of the pseudocode below: for i=-n to n do s = s + i if ( i % 2 == 0) then p = p * (i-1) else p = p * (i-1) s = 0 endif p = p * i endfor

4. What is the time complexity of the following program by assuming N2k (please show detailed steps for full credits) int sum0 for (int j j 0 ii2) sun)

Write a program that provides a way for you to search and display information of all the students in a class. Student records including a class ID (c#), name of the student, and scores of multiple categories are saved in the file grades.dat. Your program should: First, read all student information from the text file and store them in an array.

Consider the logic function f(A, B, C) (ABC ABC ABC BC) A. Draw the logic circuit for the function given above (do not use NAND gates or NOR gates). B. Let the cost of a logic circuit be the total number of gates plus the total number of inputs to all gates in the circuit. What is the cost of the circuit in A Simplify f to only one term by

Find the decimal values of the following numbers points. (a) (2023)3 (b) (2023) ( (c) (2023)11 ( (d) (2023)17 ( )10 )10 )10 )10.

2. Identify the lowest and highest order of growth among the following functions Inn, n13, 3n, 22n, 0.001 n43n 1, 5 lg (n1000)4, (n1)

Write a C++ Program that will generate 5 random numbers which simulate the age of college students (from 17 to 26). The program will generate another 3 random numbers which simulate the cold weather (ranging from -15 to positive 50 fahrenheit degree). Your program should Have a nicely commented header section, including your name, class number,

Write a program that inputs the length and height of the rectangle and the side of the square and outputs the area and the perimeter of the rectangle without the square. in C++ please Ex: If the input is: 9 8 5 the output is: Area: 47 Perimeter: 44

Write a program that will read in a weight in kilograms and outputs the equivalent weight in pounds and ounces. Express the pounds as an integer and ounces to the nearest 1/100 of an ounce. You have to write and use a function that uses the following function prototype to perform the calculations: - void KgtoLbOz(double kg, int& lbs, double&

Example Output Enter the weight of the object in kilograms 16.5315 The weight of the object is 36 pounds, 7.13 ounces. Would you like to run the program again (Y or N) Y Enter the weight of the object in kilograms 0.876 The weight of the object is 1 pound, 14.90 ounces. Would you like to run the program again (Y or N) n Required Test Cases 12.2

a. b. C. d. e. f. 50 Convert the following Values to the other bases. Binary Hexadecimal 5E.B16 437.616 1100.1101116 111001.0010010116 Decimal 534.2510 727.2539062510

Write a C program that has an array containing 10 integers. Create a loop to allow the user to enter values into the array. Set a pointer to the array and ask the user for an element number, then print the value in that element of the array using the pointer. Next, print the next two values in the array using the same pointer. (For example, if the

Write a program editarray.cpp that creates an array of 10 integers, and provides the user with an interface to edit any of its elements. Specifically, it should work as follows 1. Create an array myData of 10 integers. 2. Fill all its cells with value 1 (using a for loop). 3. Print all elements of the array on the screen. 4. Ask the user to input

Which of the following strategies are effective in promoting workplace cyber security Choose ALL that apply Conducting regular cybersecurity training sessions for employees at least three times a year or more as needed. Asking staff to sign a yearly form verifying that they are staying uptodate with cybersecurity awareness Adding a cybersecurity

1. Create a program that contains an integer array of 7 elements. Ask the user for the calorie quantity that they ate each day for 7 days. You must use a loop Once you have all the numbers entered by the user, display all the entered numbers and the total average calories per day that were eaten 2. Create a program that contains an integer array

1. Compute the following sums. a. 1357 999 1024 ... b. 24816 C. C 1 1. 1 31 d. g 1 14 n1 i0 e d i( 1) h. 11i( 1)

Write a program that uses nested loops to print the output exactly as shown below . NOTE : You must use nested loops .

a) Design a logic circuit which has as an input two 2bit numbers and gives an alarm if the two numbers are equal using i) ii) iii) XNOR, and AND gates. 2bit binary adder and any external gates. Two 4x1 MUXs and one 2x1 MUX.

What is the minimal 2level logic equation for the function Y m(1,3,6,7) O Y AC AB Y ABC ABC ABC ABC Y AC AB Y ABC ABC ABC ABC

We rolling two fair dice (at the same time), and consider N, A22,P the probability space of this random experiment. Now, if X is a map defined on 2 as follow 3 if (i, j) with i 2, 3, 4, 5, 6 and j

I have two fair dice. On each die, each of the numbers (1,2,3,4,5,6) comes up with equal probability. We play the following dice game You start with 0 points. In each round, I roll two dice. If the number 6 appears on either die (or on both dice), the game is immediately over and your payoff is 0 dollars. Otherwise, you add to your current score

Write a program that asks the user their first name, last name, current address, city, state, and zip code. Then write a mailing label to the screen exactly as laid out below. This MUST be done with exactly 6 print statements, we will look at the code after the grading. Understanding the sep and end print options will be helpful. The required

For each string of data below, determine the EDC bit if singlebit odd parity is used, and calculate the percent increase in the message length. a) 0010 11012 b) 1101 01102 c) 1100 1111 0101 11012 d) 0101 1110 1110 1100

Using Function Follows Form, once we apply one of the five templates to our product, we have created what is called a.)A ruined product b.) A virtual product c.) An idea d.) An unmet need O e.) None of the above

1) Use THREE different methods to create the following row vector. 6.9000 5.7000 4.5000 3.3000 2) Type a Matlab expression to create a column vector that has values from 30 to 40 in step of 0.5. 3) Write Matlab expressions to generate a 7 (row) x 6 (col) matrix variable mat with all zeros. Then (1) replace the third row with all 3s, (2) replace

5. Convert the nfa defined by 8 (go, a) 90, 91 8(91, b) 91, 92 8(92, a) 92 8(91, X) 91,92 with initial state go and final state q2 into an equivalent dfa.

Given the following MIPS program which of the following C codes corresponds to this code bne t0,t1, else addu 12, 13, 14 d) j else next subu t2, t3, t4 next Given that a, b, c, d, e are in t0... t4 respectively ... a) if (a b) c d e else c de b) if (a b) c de else cde c) if (a b) c de else cde Non of the above Activate Windov Go to Settings

Describe steps in cybersecurity risk analysis. More than one answer may be correct. Check All That Apply assign value to assets estimate potential losses estimate the likelihood of occurrence of threats train employees on cybersecurity

Determine the time complexity for the following algorithm. char someString10 gets (someString) for (i0 i strlen (some String) i) 32 someStringi

7. Determine whether the following codes are uniquely decodable (a) (0,01, 11, 111) (b) (0,01, 110, 111 (c) (0, 10, 110, 111 (d) 1, 10, 110, 111

4. Given the probability distribution in Figure below, toothache cavity cavity catch 0.108 0.016 calculate the following A. P(toothache) B. P(Cavity) C. P(Toothache cavity) D. P(Cavity toothache ,catch). catch 0.012 0.064 catch 0.072 0.144 toothache catch 0.008 0.576

The topology in Figure Q2(b) has network address of 25.0.0.0/8 and requires 1200 subnets. Figure Q2(b) (i)Determine the minimum number of subnet bits to borrow to meet the requirement. Show your working. (ii)Give the resultant subnet mask based on your answer to Q2(b)(i). Show your working. (iii)Based on your answer to Q2(b)(i), compute the

Fa00 Subnet 99 PC A Subnet 100 RouterA S00 Hub PC B S01 RouterB Subnet 120 S00 S01 Switch PC C RouterC Fa00 Subnet 140 PC D

1. Write a function getmax() that takes a list of numbers and returns its maximum value. Example listi w ans getmax(list1) print (ans) Output 9 3, 1, 4, 1, 5, 9 2. Write a function getunique() that takes a list of numbers and returns the number of unique values and a list containing all unique values. Example listi 3, 1, 4, 1, 5, 9 nunique,

Write a Python function maxtimes that consumes L, a nonempty list of nonempty lists of integers, and returns a list of length two, where the first element is the maximal value in L, and the second element is the number of times the maximal value appears in L. Requirements Your solution for this question must meet ALL of the following requirements

Write a function called max eigval which takes a 2D NumPy array A representing a square matrix and returns the maximum eigenvalue of (A A). The return value should be a nonnegative real number. If A is not square or if A is not 2dimensional, the function maxeigval prints the statement Matrix is not square. and returns None.

Write a Java program that reads 5 integers, each of which is in the range of 1 and 13 representing a simplified poker card with no suit. Your program should then print the ranking of the hand with card number(s) besides the ranking. The rankings to determine are Four of a Kind( 4 of the 5 cards of the same rank), Full House( 3 of the 5 cards of

You have a table with 9 cells. You are free to add rows to the table where each cell must contain 1 bit. What equation must you use to calculate how many rows (Q) you need to add to list all the variations of bits Q29 Q2n Q 1000 O Q 5129

4. Draw the box diagram and PAD diagram of the following pseudocode program. g n While p do if q then al a2 else End do while r do end if bl b2 end do

Study the given array Numbers 45, 30, 10, 50, 31 to answer the below questions. a) Show a step by step, how array Numbers can be sorted using insertion sort algorithm in descending order. 4 b) Differentiate how bubble sort algorithm and selection sort algorithm works. 4 c) Explain how Exponential Search algorithm works and write the algorithm in

3. Find the last two digits of (135) 101. 4. Find the last digit of 71313137777. I

(a) Find the complexity of the function used to find the kth smallest integer in an unordered array of integers. (20 points) int selectkth (int a, int k, int n) int i, j, mini, tmp for (i 0 i

6. Determine the complexity of the following implementations of the algorithms for adding (part a) and multiplying (part b) n x n matrices in terms of big oh notation(explain your analysis) (10 points each) (a) (b) for (i 0 i

For each of the below C programs give 1. The process tree. 2. The output. Code (1) include include int value 5 int main(void) pid t pid fork () if (pid else 0) value 5 printf (value d in process d, value, getpid ()) exit(0) wait (NULL) pid fork () if (pid 0) value 10 value printf (value d in process d, value, getpid () ) return 0 Ac Go

Consider a 4x2 switching element. Time is slotted. The independent arrival probability of a packet in a slot at each of the four inputs at the left is p. If there is one input packet in a slot it goes to either output. If there are two or more arrivals to the inputs, two packets go to the outputs (one on each output) and any remaining packets are

If y

Let x and y be two ndigit binary numbers, where n is a power of 3. Let L, XM and R consist of the first third, middle third, and final third of the digits of x, so that 2n x 2 xL 2xM R, and define yL, YM, and yr analogously. 1. Express ry in terms of XL, XM, XR, YL, YM, YR. Simplify your answer. 2. Give a recursive algorithm that calculates the

2.) Let f() be a function defined on the positive integers. For some fixed unknown positive integer n, f(x) 1 0 1 for 1 n. (1) Assume a single call to f() takes unit time. 1. Give a very simple algorithm that finds the value of n in O(n) time. 2. Design a more sophisticated algorithm that finds the value of n in o(n) time. What is the best

For the language L achbm n 0, m 0, which one of the following strings is not a part of the language ab acb acceee accccccccccccb,For the language L achbm n 0, m 0, which one of the following strings is not a part of the language ab acb acceee accccccccccccb

A load balancer for a single website is used to accept requests on ________ and forward the requests to ________. 1) multiple redundant front-end IP addresses; a single back-end web server 2) a single front-end IP address; a single back-end web server 3) multiple redundant front-end IP addresses; multiple redundant back-end web servers 4) a single

What is the advantage of breaking up a broadcast domain? A. Companies can save money by using less expensive cables. B. Network clients can access the internet. C. Network clients receive fewer overall messages. D. Network traffic can be filtered based on MAC addresses.

Rodrigo He has turned on his laptop computer and tried to connect to the Internet but was not able to connect to the network. The Internet was working fine earlier in the day. Since he studies computers at CCT he knew to check to see what his IP address is on his computer. He sees that his IP address is 169.254.123.234. What problem is occurring

Which network parameters may need to be set in the tactical data system to exchange digital data using IP-based protocols such as JREAP-C? Select all that apply. A. Default Gateway/Router B. Subnet Mask IP Address C. Domain Name Service System D. (DNS) Port

VPN tunnels are created by _______, in which the inner packet containing the data is encrypted and the outer headers contain the addresses that Internet devices need to route packets correctly. a. encapsulation b. encryption c. authorization d. authentication

You have been hired to design and setup a network. You are setting up a medium-sized network with the class C address 222.37.34.0/24. Marketing needs 29 computers. Research and development needs 110 computers. Bookkeeping will use 12 computers. The reception area will need three computers. Management requires 60 computers. Design the network using

An organization needs to migrate all of their servers from an on-premises datacenter to the Azure cloud. They want to keep the existing private IP addresses of the on-premises servers. Which Azure networking service would you recommend? a. Azure VNet b. Azure extended network c. Azure relay d. Azure AD application proxy

What is this movie about? Provide a detaild description. What is the director's main point (thesis)? describe what the documentary is about. What kinds of evidence or data does the director use (choose 1-2 examples)? Movie Her: love in the modern age

1. We are familiar with cloud computing in this modern era and it is increasingly being used. Explain in your opinion how cloud computing works in the world of banking and education? 2. In cloud computing, do we know SAAS, PAAS and IAAS? Provide an explanation regarding this and provide the advantages and disadvantages of its application. 3. In

A university has a main campus and a remote campus at another location. The default router to the Internet on the main campus has an IP address of 10.0.0.124. The main campus network is connected to the Internet through a router called RouterA (Router A and the default router are two different routers). The main campus has no more than 15000 staff

Identify a small, local network that contains a few hosts and no more than 2 network switches or routers. (maybe the network of your home?) a. Identify a physical perimeter that provides some protection to that network. b. Draw a diagram of the hosts, nodes and links.

What is the meaning of the word 'infra' and what is the frequency of 'Red' color light?What are the advantages of InfraRed signals? Explain your answer.