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Lady bird [3.3K]
2 years ago
14

Consider the following relation with functional dependencies as shown below.R{sno,sname,age,cno,cname,group}

Computers and Technology
1 answer:
charle [14.2K]2 years ago
6 0

Answer:

First Normal Form

Explanation:

The correct answer is - First Normal Form

Reason -

Given that,

A-B,C

C-F

D-E

Here the key is AD

The two partial Functional dependencies are -

A-B,C  

D-E

So,

They are not in Second Normal Form, but they are in First Normal Form.

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Assume that name has been declared suitably for storing names (like "Misha", "Emily" and "Sofia"). Assume also that stdin is a v
zaharov [31]

Answer:

// program in java.

import java.util.*;

// class definition

class Main

{// main method of the class

public static void main (String[] args) throws java.lang.Exception

{

   try{

    // object to read input

Scanner scr=new Scanner(System.in);

 // ask to enter name

System.out.print("Enter Your name: ");

 // read name from user

String NAME=scr.nextLine();

// print message

System.out.println("Greetings,"+NAME);

     

   }catch(Exception ex){

       return;}

}

}

Explanation:

Read name from user with the help of scanner object and assign it to variable "NAME".Then print a Greetings message as "Greetings,NAME" where NAME will be  replaced with user's input name.

Output:

Enter Your name: Rachel                                                                                                    

Greetings,Rachel

5 0
2 years ago
Modify the sentence-generator program of Case Study so that it inputs its vocabulary from a set of text files at startup. The fi
Snezhnost [94]

Answer:

Go to explaination for the program code.

Explanation:

Before running the program you need to have these files created like below in your unix box.

Unix Terminal> cat nouns.txt

BOY

GIRL

BAT

BALL

Unix Terminal> cat articles.txt

A

THE

Unix Terminal> cat verbs.txt

HIT

SAW

LIKED

Unix Terminal> cat prepositions.txt

WITH

BY

Unix Terminal>

Code:

#!/usr/local/bin/python3

import random

def getWords(filename):

fp = open(filename)

temp_list = list()

for each_line in fp:

each_line = each_line.strip()

temp_list.append(each_line)

words = tuple(temp_list)

fp.close()

return words

articles = getWords('articles.txt')

nouns = getWords('nouns.txt')

verbs = getWords('verbs.txt')

prepositions = getWords('prepositions.txt')

def sentence():

return nounPhrase() + " " + verbPhrase()

def nounPhrase():

return random.choice(articles) + " " + random.choice(nouns)

def verbPhrase():

return random.choice(verbs) + " " + nounPhrase() + " " + prepositionalPhrase()

def prepositionalPhrase():

return random.choice(prepositions) + " " + nounPhrase()

def main():

number = int(input('Enter number of sentences: '))

for count in range(number):

print(sentence())

if __name__=='__main__':

main()

kindly check attachment for code output and onscreen code.

6 0
2 years ago
Replace any alphabetic character with '_' in 2-character string passCode. Ex: If passCode is "9a", output is:9_Hint: Use two if
Mashcka [7]

Answer:

Following is given the code as required.

I hope it will help you!

Explanation:

7 0
2 years ago
5. Many vehicles have indicator lights telling you when your
I am Lyosha [343]

Answer:

A.

Explanation:

The rest is nearly impossible to detect or not worth the time.

8 0
2 years ago
Read 2 more answers
Given the macro definition and global declarations shown in the image below, provide answers to the following questions:
galben [10]

Answer:

A. 243

B. True

C. 0

Explanation:

Macro instruction is a line of coding used in computer programming. The line coding results in one or more coding in computer program and sets variable for using other statements. Macros allows to reuse code. Macro has two parts beginning and end. After the execution of statement of quiz4 x, 4 the macro x will contain 243. When the macro is invoked the statement will result in an error. When the macro codes are executed the edx will contain 0. Edx serve as a macro assembler.

4 0
2 years ago
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