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Databases Questions and Answers November 23, 2018

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Write an algorithm that prompts the user for the radius, in inches, and price of a pizza, and then reads in those values. Finally, have the algorithm compute and output the pizzas cost per square inch. thanks in advance

Describe how digital signals are transmitted over an analog circuit and analog signals over digital circuit. 1. 2. Transmission Media: a. Conducted Media 1. Twisted Pair UTP, STP Characteristics Applications Advantages/Disadvantages 2. Coaxial Characteristics Applications Advantages/Disadvantages 3. Fiber Modes: All three Characteristics
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help please Use either Logisim or draw the circuit for the Boolean expression YZ+YZ. Upload the IMAGE (NOT the .CIRC or circuit file) to the answer space using the "Insert Image" menu item
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An undirected graph must have an even number of vertices with odd degree. Question 2 2 options: True False

Which U - NII frequency band has 1 2 nonoverlapping channels, ranging from 3 6 to 1 6 1 ? a . ) 5 GHz b . ) 2 . 4 GHz c . ) MIMO d . ) 8 0 2 . 1 1 n

mobile development course (java) what do I write if I want a special text view to appear different text when I click the button each one is on a certain time

can you explain why the answer is b and why it is not rawdata1 please? QUESTION 10 The following SAS program is submitted: libnamerawdatal 'location of SAS data library': filename rawdata2 'location of raw data file': data work.testdata; infile insert item here> input salesl salse 2: run; Which one of the following is needed to complete the
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Deaign PDA for : the set of all strings with twice as many 0s as 1s pda. Please explain step by step so I can learn from it. Thanks

1. Write a Little Man program that prints out the multiples of 9 starting from 9 to 99. Also keep a running total and output at the end the sum of 9+18+...99. Turn in the code and a screen shot of the program at completion. 2. We discussed conditional branching and decided that a branch negative instruction is not necessary. Show a sequence of

Hi, could you send me the steps for how to send EMAIL the tarfile, not txt file as an attachment to someone, and CC: the same email back to myself using the mail command in Linux Using the subject line "my job". thanks in advance

Overview Search for #TODO tags to quickly find the functions you are required to implement. Descriptions and pseudocode for each function are provided in the notebook, along with links to external readings. Complete the TravelingSalesmanProblem class by implementing the successors ( ) , get _ successor ( ) , and _ _ get _ value ( ) methods

Hands-on Database Assignments

5. Write a recursive C++ function that builds our first example linked list (pictured) and returns a pointer to its first Node. first 111211 > 10
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Text file Description The text files boynames.txt and girlnames.txt, which are included in the source code for this book text, contain a list of the 1,000 most popular boy and girl names in the United States for the year 2003 as compiled by the Social Security Administration. These are blank-delimited files, where the most popular name is listed

The function returns an integer tally of how many characters in the argument were uppercase letters. For example, if invoked this way: caps, tally ("Stop, and Smell The ROSES."), the function would return (i.e., evaluate to) the numeric value 8. 29. (5 pts) Write the caps.tally function. This function accepts a single string argument, a sentence.
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Write a program in C that takes as input a four-digit hexadecimal number and prints the next 10 hexadecimal numbers. Define a hexadecimal number as int hexNum[4] Allow upper- or lowercase letters for input and use uppercase letters for the hexadecimal output. For example, 3C6f should be valid input and should produce output 3C6F, 3C70, 3C71

Define a for loop representing each second of the time interval

CS 2 1 3 Spring 2 0 2 0 Midterm InformationDr. Lily Chang The exam date and time isWednesday, March 1 1 , noon to 1 : 2 0 pm at Lucy Stone Hall Auditorium. The duration of the exam is 8 0 minutes. The exam coversNote # 0 ~ # 6 posted on Canvas, and theprogramming assignment # 1 and # 2 . It is a paper test in class, and this is a close - book

1 . Given the array { 9 , 2 0 , 1 4 , 1 7 , 8 5 , 3 , 2 1 , 6 , 4 , 1 0 } determine the number of comparisons used by: Bubble Sort Insertion Sort Selection Sort Merge Sort Quick Sort Heap Sort 2 . Prove that the worst case runtime of any comparison - based ( i . e . , the only operations allowed on array elements are comparing two elements and

1. Change the program (program name is Kojo) so that it is drawn instead a. a green equilateral triangle with the same perimeter as the hexagon b. a blue regular octagon with the same perimeter as the hexagon erase slow(100) fill(yellow) repeat(6) \{ front(100) right(60) Report both program code and images in task 1
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Discuss in detail the main differences among primary, secondary , and clustering indexes?

Python code: 1. This question practices the use of a list method. Assign to the variable grades a list of 10 letter grades from among A, B, C, D, and F. For example: grades = [A, F, C, F, A, B, A, C, A, B] Write a Python expression that creates a list named frequency, in which the elements are the number of times each of the letters A, B, C, D and

3. (Cycle/bridge finding via DFS) Find all cycles and bridges in the following undirected graph. 2
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Java Write a program to read two 3x3 matrices, compute the sum, the product of the two matrices. Then, compute the transpose, cofactor matrix and the determinant of the resultant matrix. Then find the inverse of the first matrix then multiply it by the first column of the second matrix to get the third matrix Also tested using the matrices given
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Please I have time half an hour 2 () 8 Study the following code segment and identify the line that will cause a syntax error void Secret (int& x, double y = 12.34. char z='w'); //line 1 sint main() Vine 2 int a 23: double b= 48.73; Secret (150 b. "O'); return 0; 1 void Secret (int& x, double y, char 2) cout
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C++ // Program Scope demonstrates scope rules and lifetime // classes. #include #include using namespace std; int counter; int sum = 0; int number; ifstream inNums; void SumNumbers(ifstream& inFile, int& answer); // Sums the numbers on inFile. int main () { inNums.open("numeric.dat"); { int sum = 0; SumNumbers(inNums, sum); cout cout }
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What would be the first word of an SQL instruction used to list all people in a database who are 2 1 years old? Group of answer choices SELECT AGE INSERT 2 1

In traditional physical networks, there was always some type of air gap 1 that existed or could be made by unplugging a cable between systems on a network. For example, you have two computers that are physically connected to the same network. If you unplug/disconnect the network cable or add a firewall between those two computers, they will not be
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You need to perform 16-bit x 16-bit unsigned , parallel multiplication using only adders and 8-bit 8-bit unsigned parallel multipliers . How many 8-bit x 8-bit multipiers do you need to perform the 16-bit 16-bit multiplication? Assuming you only have two-input adders (e.g the adder takes two input numbers and produces one output), how many will be
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Implements the List ADT using a LinkedQueue as the underlying container.

Operating system Please answer carefully and completely for a thumb up Use examples to explain and compare two types of hypervisors. What is OS-level virtualization? Why is it different from other types of hypervisors?

In order to be able to recover your decryption key, suppose that you decide to use Shamir s secret sharing scheme. Shamir's Secret Sharing is an approach to share secret, where a secret is divided into parts, giving each participant its own unique part. To reconstruct the original secret, a minimum number of parts is required. Following Shamir s

Suppose we have three algorithms A, B, and C. Algorithm A has runtime complexity 2 n , algorithm B has runtime complexity n!, and algorithm C has runtime complexity 2 n log 2 ( n) . Which of the following statements is NOT correct? Group of answer choices Algorithm A and algorithm C have the same runtime complexity. Algorithm B is the most
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Create your own 2x2 Hill matrix. Its values must be in the range 0 to 25 (as in the examples) and the matrix must be invertible. Use this matrix to encrypt the message "Ganymede". Write down your matrix, its inverse, and the ciphertext in letters.

Question 2 0 ( 4 points ) Which of the following, like JavaScript and VBScript, provide commands that are executed on the client? A ) plug - ins B ) scripting languages C ) Web bugs D ) session cookiesQuestion 2 0 ( 4 points ) Which of the following, like JavaScript and VBScript, provide commands that are executed on the client? A ) plug - ins B )
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When an organization links employees with a supplier or customer that shares their interest, what type of network has been developed? Select one A . Knowledge organization B . Community of practice C . Intranet D . Multimedia E . Unified
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Bash is: Group of answer choices a networking term an operating system a website a shell

Assume that you are working as system administrator and managing the Access modes of software System, Explain the File Permissions with respect to users by executing commands and show the output.

Suppose we are given an n-node rooted tree T, such that each node v in T is given a weight w(v) R(R is positive real number). An independent set of T is a subset S of the nodes of T such that no node in S is a child or parent of any other node in S. Design an efficient dynamic programming algorithm to find the maximum-weight independent set of the

How should a business store, access, and distribute data and information about its internal operations and external environment?

A hacker determines that he is able to write an exploit that will enable him to access the network resources at a bank. This will allow him to transfer money into his account. To enable him to execute his attack, the exploit takes advantage of an unpatched server within the DMZ . Which of the following BEST describes the unpatched server? Question

Describe five ways in which a company can benefit by utilising Cloud Computing.

Please answer and explain a. Draw the hierarchy chart and then plan the logic for a program that calculates a persons body mass index (BMI). BMI is a statistical measure that compares a persons weight and height. The program uses three modules. The first prompts a user for and accepts the users height in inches. The second module accepts the users

riscv add 1 3 if letter less than M

A Color class has three integer color component instance variable: red, green, and blue. Write a toString method for this class. It should return a string consisting of the three color components ( in the order red, green, blue ) within parentheses, separated by commas, with a ' # ' prefix e . g . # ( 1 2 5 , 3 0 , 2 1 0 ) in java

the size of my hard drive is 100G how many bits does it hold? Please show your work step by step.

Many people keep time using a 24 hour clock (11 is 11am and 23 is 11pm, 0 is midnight). If it is currently 13 and you set your alarm to go off in 50 hours, it will be 15 (3pm). Write a Python program to solve the general version of the above problem. Ask the user for the time now (in hours), and then ask for the number of hours to wait for the

Help me for those Operation System questions FCFS(First-Come First-Served): Consider a system with tasks P1, P2, and P3 with time bursts of 20, 10, and 1 ms, respectively. Draw a Gantt chart representing the schedule if the tasks arrive in order: P1, P2, P3. What is the average waiting time? Consider a system using preemptive SJF algorithm. The

Select and count the language field using the alias count _ spanish . Apply a filter to select only Spanish from the language field.
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#! /bin/bash BACKUPTIME='date +%m-%d-%y' DESTINATION=/home/usr/path/backup/-$BACKUPTIME.tar.gz SOURCEFOLDER=/home/usr/path/data_folder tar-cpzf this shell script doesnt work on the terminal so can you fix it . this code is used to backup a file so please correct the above shell script or redo another one . its unix operating system

An inversion in an array A [ 1 . . n ] is a pair of indices ( i , j ) such that i < j and A [ i ] > A [ j ] . The number of inversions in an n - element array is between 0 ( if the array is sorted ) and

page# is a valid Identifier.

12 Convert (2335) from decimal to base 7. Please type the result without any * ... additional spaces, characters, etc (b 2.5)
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Assignment 1. Write a Java class called ResidenceListing, representing a house (residence) that is listed for sale. Add these members: (a) Fields to represent the house's number of bedrooms (integer), number of bathrooms (a house can have fractions of a bathroom; a room with only a sink and toilet is considered "half a bathroom); street address
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Deletions from the data file involves moving records to fill the empty slot. This could involve moving records across block boundaries (similar to the shifting data necessary for insertion), and could result in returning a block to the system if the last block in the chain becomes empty. Explain this operation and give code examples.

in java Write an if-else statement that checks patronAge. If 55 or greater, print "Senior citizen", otherwise print "Not senior citizen" (without quotes). End with newline.

Assume that you are given a 1 0 0 bits long question and are required to detect it some error is present in the message using the concept of bit parity. How many bits are required for this purpose? Select the right answer from the given choices.Assume that you are given a 1 0 0 bits long question and are required to detect it some error is present

Give the state diagrams of NFAs with the specified number of states recognizing each of the following languages. The alphabet is {x, y}. L8 = {w| w contains the substring yxyx} (5 states or less) L9 = {w| w contains an even number of x's or contains exactly two y's} (6 states or less)

Which of the items are managed by the kernel (i.e., the Operating System)?

The following is a piece of pseducode for performing the insert operation as you have seen in class. (prex, head, Node are variable names as we had assumed in class).Fill in the blanks to complete the code [5] s. Double-click to hide white space Node newptr if (prexi- 0) Node(data): new tr->next = 3 else Lnewptr->next = head
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Which of the following elements is part of the Scope Statement? Budget Roles / Responsibilities Project Deliverables Assumptions
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Q\#3: Consider the institutional network. In the figure. Assume that the average object size is 18kB and the request rate from browsers to origin servers =8 objects/sec. additionally, assume that the delay from institutional router to any origin server and back to router =2 sec. assume using a cache server and suppose the hit rate is 65%. 1.
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Assume that the average context-switch time between processes is S and the average amount of time an I/O-bound process uses before generating an I/O request is T and the quantum time setting is Q. Discuss the effect. A. Q > T Q is a very large number

What is the time complexities for( int i = 0; i
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Choose any educational institution ( college ) near Klang Valley. As a system analyst, you are tasked with analyzing the current system processes of the student attendance and result management system at the chosen college and proposing improvements to enhance system efficiency. Your group is required to produce a detailed report addressing the

grant all on students to public What does this code do?

You install network services such as DHCP , DNS and FTP on a computer. What type of system have you created?

Which one of these statements about dynamic memory allocation using molloc ( ) is not true?
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Write a C program that makes a copy of a file. The source (existing file) and the destination are given as command line arguments: gcc filecopy.c -o filecopy filecopy path_to_existing_file path_to_new_file The first command line argument is the name (path) of the existing file. The second command line argument is the name (path) of the file to be

4.12 The measured temperature distribution in a solar energy heating system may be represented by the equation TCM)= 15.5+68.2/1 - explayer where x is the distance away from the surface being heated and Tis the temperature. Compute the temperature gradient dt/dx and the second derivative dT/dx- at x = 0. The heat transfer rate is proportional to
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Create a new webpage called "activity3.html". This new page must include the following: Use a HEX notation to change the background color of text. Must include at least two URLs, 'link1' and 'link2'. Must include a HEAD element, title, 'Activity 3'. Must open all URLs on a new page. Must use a style tag that changes the background to a color or

user will be entered 2 words how many letters are common and and which ones in C i have only 40 minutes

Question 2 1 pts An " is a " relationship exists between a grasshopper and a bumblebee. True False
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***Please give a detailed paragraph answer to the below question*** Define Enterprise Architecture in your own words.

B is the set of all binary words: finite - length strings of 0 s and 1 s , like 0 1 1 1 or 1 1 or 1 0 1 0 1 0 0 0 . Is B countable? Why or why not?

Teoria da Constitui o - 2 0 0 4 A emenda constitucional hipot tica ofenderia o princ pio de separa o de poderes, uma das cl usulas p treas previstas no texto constitucional brasileiro, porque a iniciativa de propostas de emenda Constitui o que versem sobre atribui es das For as Armadas e da Pol cia Federal privativa do presidente da Rep blica . O

Question 5A (20 points) FSM below represents a simple vending machine. N is asserted for one clock period when a nickel is inserted into the coin slot. D is asserted when a dime has been deposited. The machine asserts Open for one clock period when 15 cents (or more) has been deposited since the last reset. Let us enumerate all the possible input
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Answer the questions. ( 2 5 Points ) a . Which linked list does the image below belong to ? ( 7 points ) b . What expressions should replace 1 . 1 , 1 . 2 , 1 . 3 , and 1 . 4 ? ( 8 points ) c . What is the time complexity values for prepend, append, lookup, insert, and delete operations for the linked list in the image? Write them in order. ( 1 0
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Write regular expressions for the following languages over the alphabet ? = {a, b}: All strings which do not contain the substring ba

1 0 : 4 1 Thought Patterns March 5 / 2 4 update A growth mindset is based upon the belief that one can continually change and grow. True False 6 of 1 0 AA programs - Irvc.talent | ms . com
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Please a very clear answer I want to prove that 2 log 4 n is O(n log n) and i want to prove that (n log n )is O(n 3/2 / log n)

1 . How to install Wazuh on MacOS intel chip step by step ? 2 . How to set up auditing who - data for Ubuntu server as client ( using Amazon Web Services ) 3 . How to cretae a blank file named "test" in directory / etc , then delete it ?

Complete the following code by writing the statement needed to make a function template named max: T max(T x1, T x2) if (x1 > x2) return x1; else return x2; Remember to follow the style guide for proper spacing
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10. Which MONTH (i.e. JAN or FEB, or JUN, etc) in the hiring date of all employees across all departments can be found in all three departments in the employees table (dept 50, 60, 80)? Hint: the month of JANUARY is a month where employees were hired into departments 50 and 60 and 80. The data in the table maybe something like this Hiredate

Consider we need to design a system to interface a temperature sensor via ADC and display the sensor reading on a 7 - segement decoder and alarm the system if the temperature increased above certain level. You have to use 8 0 8 8 microprocessor, code memory of 8 kB and Data memory of 1 kB . Start from address 0 x 8 0 0 0 0 in addressing 1

What is the relationship between karma, samsara and dharma?

Assume you were troubleshooting a circuit containgin a 4 - input NAND gate and you discover that the output of the NAND gate is alsways HIGH. Is this an indicatonof a bad gate? Ecplain your answer

Q. No. 1: Consider = {a , b}. Construct finite automata for each of the following languages (i) Language of all words which contain odd number of as and any number of bs (if any) (ii) Language of all words that end with double letter : (iii) Language of all words that start and end with different letters (iv) Language of all words that do not

When a quadratic function is written in the form f(x)=a(x-h)^(2)+k, which attribute of the function remains the same when you change the values of h and k ? F. axis of symmetry H. range G. domain J. vertex

Can someone help me write a statement of purpose for Cyber Security? The paper has to be no more than a page and a half and it needs to describe my goals and motivations to pursue a career in Information Assurance and computer security. I need this as soon as possible, please help.

Different database types provide differing levels of guarantees about consistency and availability of data. Discuss the differences between ACID and BASE databases, as well as the claims of the CAP theorem. Also, answer the question: For databases not providing transactional guarantees, are there any techniques you can think of to provide resource

Subject : Application Networking Question 1 "Point-to-point" communication refers to; a. mesh topology b. multi-access networks c. wireless telephone technology that connects from "tower-to-tower" d. communication mechanism that connects exactly two communicating entities Question 2 A LAN, or local area network; a. is the least expensive network

I need a tool that let me change the values on my game that i created in unity and then I be able to change stuff in it, take in mind that my game in my game numbers not appear, as in my unity game I put the health image filled so, I need simple tool that will figure me the ability to change values.

Dial up Modem had a local loop bandwidth of - ? Select one: a . 5 6 k b p s b . 1 . 1 M H z c . 2 M H z d . 2 M H z
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6.25 (Prime Numbers) A positive integer is prime if its divisible by only 1 and itself. For example, 2, 3, 5 and 7 are prime, but 4, 6, 8 and 9 are not. The number 1, by definition, is not prime. (In Java Programmme) a) Write a method that determines whether a number is prime. b) Use this method in an application that determines and displays all

C++ programming: Write a program that reads a string and prints the most frequently occurring letter. If there are multiple letters that occur with the same maximum frequency, print them all. For example, if the word is mississippi, print is because i and s occur four times each, and no letter occurs more frequently.

In this program, you are wandering through the forest; you are lost! Happily, youve brought with you a ball of twine, that you unroll as you go. That way, you can always get back to where you started. (Sadly, theres no way out of the forest. Sorry about that!) In this program, you will model this as a small interactive game. You will prompt the
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This is question E3 (p.84) in the Data structures and program design in c++ texbook by Robert L. Kruse Use the methods for stacks and queues developed in the text to write functions that will do each of the following tasks. In writing each function, be sure to check for empty and full structures as appropriate. Your functions may declare other,

Conduct a paper on three strategies for successfully competing in the marketplace (overall cost leadership, differentiation, and focus), and explain what each entails. Use examples to demonstrate how companies use 1 or more than 1 of these strategies to compete. State which one is your personal preference, and why.

If a complete balanced binary tree has N nodes, then the height is Select one: O a. Log(N)/2 b. Log(N+1)-1 O c. Log(N+1)/2) O d. Log(N+1)
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