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Databases Questions and Answers March 09, 2019

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MIPS ASSEMBLY 1. Addressing Modes (1) Absolute (2) Register indirect (3) Based (base + displacement) (4) Scale indexed (base + index constant) (5) Memory indirect (6) Auto increment/decrement (by 1 byte). Consider the following high-level programs: uint8_t a[150]; // a allocated in memory for (i = 0; i < 150; i++) { a[i] = 5; } int a[150]; // a is

What does this program print? #include int process() { static int x = 0; x++; printf("%d", x); } int main() { process(); process(); } 11 0 22 01 12 00 How do we refer to the parts of code labeled below? int process (int x); 1 int main() { 0; int y y = process (1); = } 2 int process (int x) { return x++; } (1) function definition. (2) function
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21. Understand and define the context and the external interactions with the system is an activity in: (1 Point) Requirements Analysis Design Maintenance 22. To represent a double attribute named average in the UML: * (1 Point) double average double average average:double average: double
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(a) AC program asks the user for the radius of a circle and calculate its area and circumference. The calculated values are then displayed. An example of the output is as follows (The number 5" is a user input): Insert radius 5 Area 78.50 Circumference 31.40 Partial code fragment of the program is given below. You are to fill in the missing parts
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please solve fast Question 1 10 Points Write a C++ program that defines an integer array of size 18, the program asks the user to fill the array from the keyboard. After filling the array, the function prints all values that are divisible by 3 and less than the average Use the editor to format your
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(50 pt., 10 pt. each) For each of the following relations, determine whether the relation is: . Reflexive. Anti-reflexive. . Symmetric Anti-symmetric. Transitive. Justify your answers. R is a relation on the set { 1, 2, 3, 4} such that R = {(1,1), (1, 3), (2,2), (3, 1), (3, 3), (4,4). R is a relation on the set of all people such that (a, b) E R
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Using gawk Consider a file containing grade test grades for students called grades.txt file: Last,First,A/I,Test1,Test2,Test3 Smith,John,A,90,100,99 Ballard,Sue,I,15,,50 Clark,Sally,A,100,50, Koen,Jack,I,90,100,99 Ball,Lucy,A,100,100,100 Bently,Mark,A,100,,100 The file is comma delimited. The first line is a header. The records contain Last Name,

Please respond to the following 2 questions and provide your thoughts. a ) What are some lessons to learn about what to do in the event of a privacy breach? b ) What is a practical approach to prevent a similar privacy breach?

Please answere ASAP will upvote! Thank you!! You are working in an organization where there are several computers are connected to a WLAN. In the busy office with multiple Wi-Fi devices, the employees have expressed concerns about the reliability of wireless connections. Your management asked you to investigate the problem and come up with a
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Cor For the table below, please classify each attribute specified based on the E-R diagram above which uses the Chen notation covered in Week 1. Please place the best answer for each column that best describes the attribute
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Write a function that, given any input integer vector , and any integer scalar , returns the number of times the scalar value appears in the vector. You must use looping and branching (examining each element) to implement this function. Again, the input arguments are a 1D array (i.e., a vector) and a scalar (i.e., a single value) For example,

1 point For virtual memory system protection, hardware does not need to determine if running processes are user or super True False
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Type the program's output arithmetic.py import arithmetic import data def calculate ( number ) : return number * 4 print ( calculate ( data . sma 1 1 ) ) print ( erithmetic . calculate ( data . sma 1 1 ) )
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computer organization and architecture Identify and explain the addressing modes given in the following diagram: Instruction Instruction R Memory Operand Operand Registers Instruction R Instruction R Memory Memory Operand Registers Register
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( iii ) What would be the data transfer time for 8 2 records stored sequentially on tracks in different cylinders and each track has fixed read / " Tite heads?

Which of the following attributes could be a primary key? Student ID Number Student Name Student Account Balance Student Major
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Comments in Pascal. These are delimited by ( * and * ) or by { and } . They are not permitted ot nest. Build a finite deterministic automaton that recognizes Pascal's comment ( that indicate sthe start state, final state, transtitions ) and get the regular expression using regular expression derivates

What is the purpose of a test case? Question 4 options: To provide step - by - step instructions for testing a specific scenario To execute test scripts To document software requirements To write code

What happened to the number of floating disks in the solutions which initially recelved treatment when you placed them in the dark? If there was a change ( and there should have been ) , explain why this occurred.
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Write a c++ program that will calculate the income taxes owed based on the following table. Income Range Income Tax Amount $0-$2,000 Nothing $2,001 - $20,000 4% * Each dollar earned over $2,000 $20,001 - $40,000 $720 + 8% * Each dollar earned over $20,000 $40,001 - $80,000 $2,320 + 16% * Each dollar earned over $20,000 $80,001 - $120,000 $8,720 +
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4.3. SIMULATING DISCRETE-TIME MODELS WITH ONE VARIABLE 43 Code 4.7: from pylab import And then you can add the following lines to the end of your code: Code 4.8: plot (result) show) The completed code as a whole is as follows (you can download the actual Python code by clicking on the name of the code in this textbook): Code 4.9:
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The number of blocks on the disk = 4 TB / 8 KB = 2 2 9 . Thus, each block address can be 3 2 bits ( 4 bytes ) , the nearest power of 2 . Thus, each block can store 8 KB / 4 = 2 0 4 8 addresses.

In C: a) Give code for next(p), a function that, given the pointer to a block, returns the pointer to the next block. b) Give code for status(p), a function that, given the pointer to a block, returns the tag bit (0 or 1). c) Give code for previous(p), a function that, given the pointer to a block, returns a pointer to the previous block. 3.
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If a table R ( A , B , C ) already has a B + - tree index created on R ( A , B ) , then there is no benefit in creating another B + - tree index on R ( B ) , because any query that can be sped up by the second index can be done just as fast using the first index

10 Wibe this task in a PyDev module named try Write a program that asks the user to enter a year day, and month as separate integers Print the resulting date out in your monday format with leading zoros whore appropriate for Enter a year 1990 Enter the Exterday The date 1990/01/08 Re-run your program with th 12 and day 23. The result should be
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Computer A and computer B belong to the same architecture. When executing a program, which the following parameters are likely to be the same? None of the options clock cycle per instruction O clock cycles instruction count
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publie satic void removeAtback (List
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The following Java program asks for and integer input and outputs a letter grade of A,B,C,D,F or error. There is a modulus "%" used in the input that needs to remain. Also the switch needs to remain on the code. Inputs of 0 to 59 should output an F. 60-69 a D, 70-79 a C, 80-89 a B and 90-100 an A. Less than 0 and greater 100 should output "ERROR

18. Convert the following CFG into CNF (8 points) Test if your CNF CFG works correctly using two strings generated by the CFG and two other strings not not generated by the CFG (2 points) SAS aB A BIS
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Question 19 5 pts Network Address Translation The NAT mode permits access to a VM from the external network by implementing the port forwarding feature. True O False Question 20 5 pts Host-only Networking The host-only networking mode is useful when the user wishes to connect a set of VMs, in addition to the host platform, to an isolated network.
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Here is a language definition: = { is a three - digit string that represents a grad - level UMB course number } L grad = { w w is a three - digit string that represents a grad - level UMB course number } You may assume that strings in the language are drawn from alphabet { 0 , 2 , 4 , 6 } { 0 , 2 , 4 , 6 } . Come up with 3 strings in the language.

Consider two word wide unsigned integers where one is stored at the physical memory address generated by using direct addressing mode with DS=0000 and [0A00). The other word is generated using same value of data segment and [0A02]. Construct an instruction sequence that computes and stores their sum, difference, product and quotient. Store these
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What is 1 + 1 in binary number system? a . 1 1 b . 2 c . 1 0 d . B 2

A wireless router and an access point represent two names for the same device with the same networking functionality. A wireless router and an access point represent two names for the same device with the same networking functionality. True False

Use the image below to answer questions 9 and 1 0 . Figure 4 : Fingerprint from the crime scene with minutiae circled. 9 . What fingerprint pattern type does this print have?
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Low enabled decoder is disabled if its Enable line is Select one: O a. None of the mentioned options is correct b. "1" c. "O" d. "X Clear my choice
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Lab Diagram a Real-World Process Objectives In this activity, you will diagram observable processes from real-world examples that include feedback mechanisms. Lights Off in Media Room No Motion in the room for the last 5 minutes? Yes Dim the light to the movie setting Yes Is the TV on? No Lights on Scenario Two: Home Irrigation System a. Create a
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Let L 1 and L 2 be the following two languages: L 1 = { M , x , y : M is a TM and accepts at least one of x or y } and L 2 = { M , x , y : M is a TM and accepts exactly one of x or y } ( a ) Prove that L 1 is recognizable. You only need to describe a Turing machine that recognizes L 1 . No justification for its correctness is needed. ( b ) Prove

Let A = {2,4,5,6,8} B = {1,4,5,9} C = { x | x Z and 2 x < 5} be subsets of S = {0,1,2,3,4,5,6,7,8,9}. Which of the following statements are true for all sets of A,B, and C? a. X A = b. (A B) (B C) = A C c. (A C) (A B) = A (B C) d. If A B = , then A B e. {} = f. B X A = A X B

Find a context-sensitive grammar that is equivalent to the unrestricted gram mar in Exercise 1, Section 11.2
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in a database, the foreign key field is used to Question 9 Not yet answered Marked out of 1.00 P Flag question Select one: a. identify duplicated data b. create a link c. uniquely identify a record ed. specify an entity
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3. (a) Explain briefly how you can access different web pages of a secure web such that of your bank account without logging in for each web page access. (1 Point) (b) What is out-of-band control? Which application layer protocol uses it? (12 Point)
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In public key infrastructure, the trusted entity used to authenticate a user and grant the user a public / private key pair. Certificate Association Token Association Token Authority Certificate Authority
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hurry up please im in a exam 2 ( 17 What is the value stored in X[4] after the following code segment is executed int X 120, 121, 9, 71; int i do Xil (X) = x[i]: x[i] + x[i-1]; ++ while
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I need an example of how a (python program) would look like for this problem please Given the list below: myList = [20, 1, -34, 4, -8, 60, 1, 3, 2, 15, 6] Write a python program that does the following: a) count the positive numbers in the list and print the result b) count the negative numbers in the list and print the result c) compute the
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Change the linked list implementation of class List2 available in folder linkedList in the following two ways: Convert it to a circular list . The node after the last node should be the first node. The node before the first node should be the last node. Do not change the implementation of class Node. Implement all operations currently available in

An important technique for detecting errors in data transmission is the concept of a parity bit. In this question, you will write a program to compute the ( even ) parity bit for a 1 6 - bit data value. This parity bit ( which is either 0 or 1 ) is computed so that the number of bits that is 1 in the data value along with the parity bit is even.

1 . Determine the job's requested memory size. 2 . If job _ size > size of the largest partition, Then reject the job, print an appropriate message to the operator, and go to Step 1 to handle the next job in line. Else, continue with Step 3 . 3 . Set a counter to 1 . 4 . Do the following while counter < = the number of partitions in memory: a . If

Question 3 What is a benefit of the Reference class containing its own GetDisplayText method, instead of having the Scripture class display the book chapter and verse directly? If the reference is ever used in a different context, this method can be easily reused. It will be easier to debug and fix a problem, because there will be a single spot in
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Consider the following six relations for an order-processing database application in a company: CUSTOMER (Cust#, Cname, City) ORDER (Order#, Odate, Cust#, OrdAmt) ORDERITEM (Order#, Item#, Qty) ITEM (Item#, Unitprice) SHIPMENT (Order#, Warehouse#, Shipdate) WAREHOUSE (Warehouse#, City) Here, OrdAmt refers to total dollar amount of an order; Odate

Please answer these parts for the puzzle below. For the puzzles described below: 1.The Rush Hour puzzle (also sometimes called Traffic Jam http://www.thinkfun.com/play-online/rush-hour/) is inspired by gridlock on city streets. Vehicles can move only forward and backward---they can't turn---and the object is to get the car represented by the red

please help me in writing this c program! I need an answer in the next few hours. make sure you use the function fscanf NOT scanf Write a C program to interactively convert integers from Arabic numerals (e.g. "14") to Roman numerals (e.g. "XIV"). Your program should prompt the user to enter a number between 1 and 4999 (inclusive), then print the
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Let predicate function P ( k , s ) s ^ 2 < = k < = ( s + 1 ) ^ 2 . For each of the following triples, decide whether it is valid ( under either correctness ) , justify your answer briefly. { P ( k , s + 1 ) } s s + 1 { P ( k , s ) } { P ( k , s ) } s s + 1 { P ( k , s + 1 ) } { P ( k , s ) s < 0 } s s + 1 ;k k + 1 { P ( k , s ) } { P ( k , s ) s =

Question 3 1 of 4 0 A company has a flat network architecture where all devices and systems are connected on a single network segment. The network contains sensitive customer data, financial information, and critical infrastructure components. What makes this situation risky? insufficient network monitoring tools in place lack of network
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True or False: The Ministry of Transport can request a consignor provide a lab report to indicate how a dangerous good has been classified. Select one: a . True b . False
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Note: The number an is the minimum number of moves needed to solve the Chinese rings puzzle with n rings. If you know how to solve the puzzle, you can figure out pretty easily why the minimum number of moves must satisfy the recursion above.

What is the output of the following pieces of code? int fun(int i); int main() { int i = fun(10); cout
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Knowledge of HTML and CSS is considered essential for the job of a _ _ _ _ _ _ _ _ blank. ( Select the correct answer ) podcaster browser manager blogger web developer

A Caesar cipher is a simple way of obscuring words by shifting each letter in a word by a set amount n . For example, when the shift is n = 3 , the letter ' A ' becomes ' D ' and the letter ' B ' becomes ' E ' . Letters near the end of the alphabet "wrap - around", so that ' Z ' becomes ' C ' on a shift of 3 .

EXERCISES Identify the tokens in each of the following statements. (You do not need to classify them; just identify them.) a. if (a b1)a x+ y b. delta - epsilon 1.23 - sqrt(zz); c. print(Q; 1
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Write a program that uses all JOptionPane showInputDialog, showConfirmDialog,showOptionDialog and showMessageDialog functions for four mathematical operations. Ensure codesecurity by using a try - catch block in case the second number is entered as 0 in the divisionoperation.

In MATLAB, write a script that will: Create a 15-element vector with values of x(t) = 4cos(2(pi)t + 0.2) + 3sin(((pi)^2))) at equally space interval 0 t 1. Find the maximum element value, the minimum element value, the average of the element values, and the indices of the elements for which the element magnitude is greater than 4
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While loop with branching Write a while loop that adjusts userValue while userValue is less than 0 or greater than 8 0 . If userValue is greater than 8 0 , then subtract 5 from userValue. If userValue is less than 0 , then add 1 0 to userValue. Function 8 function userValue = AdjustValue ( userValue ) % Write a while loop that adjusts a uservalue
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Background information about the organization: JordyBs is a center that offers several classes to members of the community. The classes are free of charge and the organization is supported by taxpayer dollars. Each class is unique and never repeated. Jordy B. employs four fitness instructors (to teach the classes), an administrative assistant (who
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Does the following addition of two 4 - bit unsigned binary integers result in ov 1 0 0 1 + 0 1 1 0 DOES overflow does NOT overflow
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Using the above information, please analyze each protocol (i to v) sent from Alice to Bob in terms of what the protocol is doing, and its security level and/or threats, and remedies to secure them. (a) Analysing the security strength of authentication protocols (Marks: 7.5) Assume that you have been hired to design a secure mutual authentication
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Java programming question Create three classes to simulate cheese connoisseurs. One class representing the cheese (Cheese.java), one class representing the cheese connoisseurs (CheeseConnoisseur.java), and one class to run the simulation (Cheese Driver.java). Make sure to javadoc your code! There is no need for output for this program. Some
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C# Question 3/13 marks) Implement a .NET desktop application (i.e., Windows Form, WPF, UWP) by using C# to load the data from Medals.csv, choose appropriate data structure to organize the data. After the data has been loaded, your app should be able to 1. Add new medalist information to the data structure 2. Delete a specific data from the data
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Which of the following is the best defence against cloud account and service traffic hijacking? Group of answer choices A . Use physical security programs and have pre - installed hardware devices B . Perform CSP due diligence C . Implement security monitoring D . Find and fix software flaws continuously, use strong passwords and encryption

Language: Python Program used: PyCharm Interpreter: 3.6.1 at ~/anaconda/bin/python ----- ----- Starter code: https://pastebin.com/NgrECZQ7 candidates_2016: https://www.dropbox.com/s/oc8ws0qfz01664n/sk_election_candidates_2016.csv?dl=1 votecounts_2016: https://www.dropbox.com/s/ucgaf263q2x3qrm/sk_election_votecounts_2016.csv?dl=1 ----- YOU JUST
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What is a key difference between the local preference and weight attributes? Local preference is local to the route on which it is configured. Local preference is local to the AS within which it has been configured. Local preference is local to the BGP administrative domain. Local preference is global to a BGP domain.

f 1 . ( HOTCOLD ) The table lists the freezing and boiling point of several substances. Create a program that will accept a temperature as input. It should output all substances that will freeze or boil at that temperature. For example, at a temperature of 0 the program should report that water will freeze and that oxygen will boil. Substance

Write a COMPLETE program that performs the following: - Reads in 2 char types from standard in (from the terminal) - Writes out both values to standard out (to the terminal) Be sure to include ALL the required standard libraries and use namespace properly. [1pt] - reading in values [1pt] - writing out values [1pt] - correct complete main function
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Which of these is considered nonvolatile storage? Select one: a . ROM b . Fire wire 8 0 0 c . CPU d . Expansion card
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4 4 points What are the different types of files in database management, as mentioned in the text? Reference files, composite files, and suspense files Data files, transaction files, and reference files Transaction files, history files, and suspense files Data files, reference files, and history files Master files, reference files, and composite
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In the division of binary numbers, what choices are available for how many times the divisor goes into a portion of the dividend ? Any number of times Twice or thrice Either times or 1 time More than twice

c++ help please! much appreciated! need a .cpp and .hpp file that can successfully run through these tests, thank you very much! printed below to be able to copy/paste into compiler -------------------------------------------------------------------------------- #include "catch/catch.hpp" #include "../polygon.hpp" TEST_CASE ("Advanced polygon

1 . Don bought a used computer at a garage sale, but it won t boot because someone has set a system password for it in CMOS setup. How can he gain access to the system if he doesn t know the password?

Objective To practice with basic shell scripting, as well as other Unix commands. You will write a shell script that does a variety of tasks, including manipulating files, performing commands, and writing results to an output file. We've covered all the commands you'll be utilizing in the script, so it should not be too difficult to complete this

Write a trigger PENALTY_CALCULATION that is executed after updating the borrow table by setting the value of actual_return_date when a borrower comes to the front desk of the library to return a book. The penalty must be calculated based on the above-mentioned business rules in Question 3. [Hints: To get the number of days between two dates: date2
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convert 1 1 0 0 0 1 0 1 0 0 1 1 1 into base 1 6

Which of the following technology was responsible for what is known today as the internet, where networks can share data with each other? TCP / UDP HTTP TCP / IP TCP

Which of the following is a possible output from invoking Math.random ( ) ? 1 . 0 0 . 0 3 . 4 3 0 . 5
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A Turing machine with two tapes can accept certain languages that a Turing machine with one tape cannot. True False
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Question Completion An example for input/output function return double detine QUESTION 19 The diagram representation for the algorithm Peeudocode Source code Flowchart Program QUESTION 20 It enables the programmer to concentrate on the algorithms without worrying about all the syntactic details of a programming language Pseudocode Linker Loader
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Count Down Overview For this daily, write a program that will display values counting down from N through 1, inclusive, on one line. A CPP file (countdown.cpp) has been provided. It contains the declaration for an integer variable (N) and code that will ask the user to enter an integer value. Add code that will check the N value for validity. To

Which of the following is a branching statement? if ( number 2 0 ) System.out.println ( " Num BOAR!" ) ; int number = 2 0 do { System.out.printIn ( " This is the song that never ends, yes it goes on and on my friend." ) ; } while ( true ) ; for ( int i = 0 ; i 1 0 ; i + + ) System.out.println ( i ) ;
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please have hurry! Please be quick it is very urgent. I will give thumbs up! Thanksss!! For those who problem, which of the following must be tud? There should be two vertices for each job on the graph. As the edges on the graph should contain a weight value short pah on the rich over the total completion time of the jobs 00
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A can be located in a dictionary and is associated with a value. list value key pair
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Solve this and round the answer to one decimal place 9:32 PM Tue Mar 2 2212-ENGR-1251-001-P Homework: Peal song Score: 0 of 1 pt 4 of 5 (0 completo) HW Score 090, Review 8-55 (algorithmic) Question Help The power required by an airplane is given by P=Fv, where is the engine power, F is the thrust and is the plane speed: At what speed, in units of
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this question must be done by hand not coded for matlanb! Using the principles of linear algebra, determine the following: (6 points) Find the unknown elements: A -1 212 0 bu 0 baz 17 5 (13) -3 0 23 12 P -3) -10 z'1-1 :) (8 points) Assume x = 1-3 D. = -4].z=(__). calculate B. X-Y+ Z, where indicates the transpose. C. 2x1 - 3Y + ZT D. X(Y + Z) and
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Answer 19 C, and E please. 19. With two's complement binary representation, what is the range of numbers as written in binary and in decimal notation for the following cell *(a) a two-bit cell (b) a threc-bit cell (c) a four-bit cell (d) a five-bit cell (e) an n-bit cell in general
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R code Please pay attention to the number of characters (nchar) ### Question 2 (2 points) Write a code that tabulates the number of missing values (NA) in each column of the gdat dataframe. Paste your R code in BOX 1 [Format:a20] {r} How many observations are missing in column 1? Answer in BOX 2 [Format:a1] How many observations are missing in
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What are the subnets, first valid Host, Last Host and Broadcast addresses for subnet? Network ID: 1 9 2 . 1 6 8 . 1 0 . 0 Subnet Mask: 2 5 5 . 2 5 5 . 2 5 5 . 1 9 2 / 2 6

Question 3 Convert the for loop in the program below to a while loop (6 marks) AP #include using namespace std; int main() { for (int i = 1; i

read / write operation must wait for the disk to rotate to the beginning of the correct block. This time is called seek time. arrival time. transfer time. rotational latency.
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Which two statements regarding the BGP MED are true? ( Choose two. ) The higher value for the MED is preferred. The lower value for the MED is preferred. The MED is exchanged outside the receiving autonomous system. The MED is local to the receiving AS .

assume alphabet for each problem is sigma={0,1} ne Hty Ca 2. Let L = { M is a 2-tape TM and M never writes to tape 2). Show L is undecidable
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In Java please: In the next set of labs we will work on these classes: ExampleHierarchy.docx Download ExampleHierarchy.docx More details of these classes are in this PowerPoint: Inheritance.ppt Download Inheritance.ppt 1. Create a class called Person. A Person has a name - this is the only attribute. Name is a String, and may have spaces. Create a
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If an access modifier is omitted from a member of a Java class, it gets the following access implicitly: A . default B . public C . private D . none of the choices is correct.

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