What is the difference between a column constraint and a table constraint?

Q: CFG for the following Language • L= {1 2m0 nsuch that m, n >= 0}.

A: Introduction of Context-Free Grammer: CFG(Context Free Grammer) is used to generate all possible pat...

Q: What is the DFD leveling technique? Explain

A: Definition: DFD: DFD stands for Data Flow Diagram. It is mainly used for the representation of the ...

Q: 1. Briefly describe the concept of Transform and Conquer also name an algorithm that follows it. II....

A: Transform and Conquer: Transform and conquer is a technique that is based on the concept of transfo...

Q: Write on python3

A: Approach: here, to count number of elements that are greater than or equal to minimum and less than ...

Q: You are asked to enhance the existing software of exam department.how can you perform the brainstorm...

A: STEPS TO ENHANCE THE EXISTING SOFTWARES: Following are the basic steps which can be used for enhanci...

Q: Write a program to design a logo and name for coffee machine Using JavaFX

A: Drink Machine Code : import java.io.Console;import java.util.*; public class DrinkMachine {    publi...

Q: What is the maximum data rate if that same system is subject to noise, with an average power level o...

A: Given:- Avg. Power level = 600 Avg. Noise level = 200 Here bandwidth is missing so, we assume the va...

Q: Requirements validation is one of the activities of the software development process:  At what stag...

A: Validation is the assurance that a product, service, or system meets the needs of the customer and o...

Q: Find the Language defined by following CFG S → aB | bA, A – a| aS[ bAA, B → b[ bS[ aBB

A: consider the leftmost derivations 1.S→aB   →ab 2.S→bA   →ba 3.S→aB   →abS   →abaB   →abab   4.S→bA  ...

Q: Which of the following are required to connect a Windows device to an 802.11 wireless network?Altern...

A: Question: Which of the following are required to connect a Windows device to an 802.11 wireless netw...

Q: Write don some activities (Steps) that are used in the implementation of algorithms

A: Algorithms The design of the algorithm is not easy, but it is also impossible. People who create al...

Q: Write a program in c that will find the size of two files named “one.txt” and “two.txt” and print th...

A: Program Plan:- Initialize the required header files. Enter the path name for the two files.  If the...

Q: Interpolate the following function values (all six set of values) to approximate the value of the fu...

A: The formula for interpolating the function values to approximate the value of the function at x=2.05...

Q: Let the string having length eight of an arrays is defined as ; i. 01001010 ii. 01101101 Apply the d...

A: Conjunction performs bitwise AND operation on strings. Let p and q be propositions. The proposition ...

Q: In python3, read a file given a command line argument. Then print the file out with line numbers.

A: Definition: Command Line Argument: In python the command lines are the input parameters that are pa...

Q: Write one address assembly instructions for the following equation  a^3b^2+a^2+a^2b^3

A: The given expression is:- a3b2+a2+a2b3=a2(ab2+1+b3)   The things need to be kept in mind while writi...

Q: Example: Assume we have this 2Dim array 5  3  2  7 6  9   0  4 0   8  7  6 5   4  6  9   How to repl...

A: Here, all the diagonal elements are changed. To do so we can check the condition where the row and c...

Q: 6) + Simplifying the “Y" expression, then fill in the "Y" column. Y = ABC +ĀBC + AB C + ABC: A В Y 1...

A: Given expression: Y=A'B'C' + A'B'C + AB'C' + AB'C

Q: Is there a customer interaction with the product in the Prototype model of SDLC? If there is, what i...

A: The idea of prototype modelling is to build the prototype, which will work as the software applicati...

Q: What are the network address, broadcast address, and the subnet mask for a host with the IP Address ...

A: The given IP address is 215.223.116.42/7 Here the 7 bits correspond to network id, so keep first 7 b...

Q: Use frequency analysis on the ciphertext:ZRRGZRURER

A: Given Ciphertext: ZRRGZRURER. Frequency of characters in ciphertext: Character  Frequency R 5 ...

Q: Difference between uml and programming language?

A: UML is a formative, displaying language in the field of computer programming that is planned to give...

Q: Use Colspan and Rowspan to create the following table

A: Here I have first of all used a body tag and then inside the body tag I have used a table tag with c...

Q: Correct the following wrong statements. The indices of elements in a single dimensional array named ...

A: Answer: The indices of elements in a single-dimensional array named arrElem are from 1 to arrElement...

Q: Using full-adders, implement the following function: = X + Y (X and Y are 3-bit numbers)

A: S= X + Y (X and Y are 3-bit numbers) The full header has three inputs(X, Y, Cin) Below is a block di...

Q: S→ aS | aSb|X X → aXa| a Answer the following questions considering the CFG given above. i) Draw the...

A: Answer: i) The derivation tree for the string 'aaaa' as below:

Q: Q1. Explain the following techniques with help of proper example (project where they can be used) a....

A: [Note- Hello. Since your question has multiple sub-parts, we will solve first three sub-parts for yo...

Q: Consider students marks in 5 tests as shown in table below. Roll # Test 1 (50) Test 2 (50) Test 3 (5...

A: Roll # Test 1 (50) Test 2 (50) Test 3 (50) Test 4 (50) Average 1 30 20 40 45 33.75 2 35 24 49 27...

Q: Design a generic method 'sum' that accepts an array of any type such as int, double or float and thi...

A: Approach Here, one generic method "sum" is invoked with an array of different types such as Integer,...

Q: Complete the following sentences by filling the right word  The purpose of (int) in the statement: i...

A: Answer:   The purpose of (int) in the statement: int x = (int)(Math.log(16)); is toint x = (int) (ma...

Q: Describe features of Python.

A: Python: It is the powerful programming language. Effective approach to oop's concept. Python is inte...

Q: Analyze and explain different operating systems in relation to their file handling system.  you can ...

A: Definition: Operating system: It is a software which is used for supporting the low level functions...

Q: How do screened host architectures for firewalls differ from screened subnet firewall architectures?...

A: Solution : Screened host firewall architecture unites the packet that filters the router with an ent...

Q: Write two different techniques to declare and initialize a variable with an example.

A: Variables are used to store information to be referenced and manipulated in a computer program. x,y ...

Q: 27. If originally x=4, what is the value of x after the evaluation of the expression: x*=2

A: x* = 2 so x will be- x = x*2    = 4×2    = 8.

Q: Is dynamic programming a feasible method for multiple alignment applications? Why or Why not?

A: Multiple Sequence Alignment (MSA): MSA may ask the method or the results of sequence alignment of t...

Q: Q1. a) Draw a flowchart for the following algorithm (pseudocode) and also find the output of the alg...

A: The given is the pseudocode in algorithm form which reads in 3 numbers and compare the numbers.   Ba...

Q: Correct the following wrong statements. A ragged 2D array is a 2D array in which each row may contai...

A: A brief about Ragged Array In computer science, a Ragged array, also known as a Jagged Array. It is...

Q: Describe two techniques that are used to keep the copy of file in the cache consistent with that in ...

A: Two techniques that used to keep copy of file in cache  consistent with that in main memory are  Wr...

Q: what is a good encrypton policy for a hospital system data?

A: Encryption process: Information should be unreadable by unauthorized person . The information turned...

Q: QUESTION 1 Given the formula for converting Fahrenheit (F) to Celcius (C): C = 5/9 x (F - 32) where ...

A: The program is written in C++   #include <iostream> #include <fstream> #include <iom...

Q: Design State Transition Diagrams of online pizza delivery system.

A: State Transition Diagram for Pizza Delivery System: With the help of the state transition diagram th...

Q: Make shell function which can find the last three prime number lesser than 100.

A: The function to find last three prime number lesser than 100 is find_prime()   find_prime(){ number...

Q: Draw a flowchart for the following algorithm (pseudocode) and also find the output of the algorithm....

A: Here I have drawn the flowchart with the decision box that has 2 conditions if it's a yes then the f...

Q: Is it possible for both the Sign and Zero flags to be set at the same time?

A: Solution : No, it is not possible for both the Sign and Zero flags to be set at the same time.

Q: Q2:(f we e cl if we have the following two classes defined class Matrix { int m- 0; public Matrix() ...

A: Given Java code:  class Matrix {    int m = 0;    public Matrix() {        m = 5;    }    public voi...

Q: Infer the choice of data structure in case you are running a clinic which looks after patients of al...

A: As per our company guidelines, we are supposed to answer only one question per question and kindly r...

Q: What differentiate Websites build with PHP platform from that of Html, CSS and JavaScript?

A: How we can Differentiate PHP from html,CSS, Javascript is as follows:    HTML used to create static ...

Q: a) Draw an ERD for the following scenario. Scenario: The project is for the Moon Hotel. There are ma...

A: Provide ER Diagram for the database. Write Select statement for the above scenario.

Q: Question 2: State whether the following statements are TRUE (T) or FALSE A firewall allows individua...

A: Firewall: In the world of computing, A firewall is a type of software or firmware that is designed t...