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4 years ago

8

Is anyone else recieving a notification from brainly near the search bar about a message and click it and there nothing there???

?

Computers and Technology

1 answer:

Yakvenalex [24]4 years ago

4 0

tessa the same with me I hate it and then I'll click I and then it's blank

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A differential backup covers what data on a system?

sergey [27]

Answer:

Answer is option (a) It includes data that has changed since the last full backup.

Explanation:

Differential Backup is a method used in Database Management Systems (DBMS) in which it includes the data (copies of all the files) that has changed (either created or updated or altered) since the last full backup. If it is a partial backup instead of full backup, then it is not a differential backup method as many files might have changed. Option (b) is false as the backup has to be a full backup not an incremental backup. Option (c) is false as the backup has to be a full backup ( not just a backup ), Option (d) is false as only the files that are changed is stored not the whole database since a full backup.

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4 years ago

What is spam? electronic junk mail e-mail abuse e-mail subscriptions the e-mail server the opt out feature unethical use of e-ma

expeople1 [14]

Answer:

electronic junk mail.

Explanation:

7 0

3 years ago

Write a program to calculate student's average test scores and the grade. You may assume the following input data:

Brums [2.3K]

Answer:

def gradeAverage():

grades = []

i = 0

while i < 5:

a = int(input('enter score ' + str(i + 1) + ': '))

grades.append(a)

i = i+1

#print(grades)

average = sum(grades)/len(grades)

#print(average)

return average

def lettergrade(a):

letter = 'A'

if a < 60:

letter = 'F'

elif 59 < a < 63:

letter = 'D-'

elif 62 < a < 67:

letter = 'D'

elif 66 < a < 70:

letter = 'D+'

elif 69 < a < 73:

letter = 'C-'

elif 72 < a < 77:

letter = 'C'

elif 76 < a < 80:

letter = 'C+'

elif 79 < a < 83:

letter = 'B-'

elif 82 < a < 87:

letter = 'B'

elif 86 < a < 90:

letter = 'B+'

elif 89 < a < 94:

letter = 'A-'

elif 93 < a < 101:

letter = 'A'

return letter

numOfStudents = int(input('How many students: '))

names = []

aver = []

grade =[]

while numOfStudents > 0:

studentName = input('Enter students name: ')

names.append(studentName)

a = gradeAverage()

aver.append(a)

grade.append(lettergrade(a))

numOfStudents = numOfStudents - 1

for name in names:

for score in aver:

for letter in grade:

if names.index(name) == aver.index(score) == grade.index(letter):

print('%s : Average = %d Letter Grade: %s \n' %(name, score, letter))

break

Explanation:

The programming language used is python.

Two functions were created, the first function gradeAverage() was used to calculate the average values of the scores.

The second function lettergrade(a) was used to get the letter grade i.e(A, A-, C, D, e.t.c.) and it takes its argument from the average.

The main block of code asks for how many students are there and prompts the user to input their names and scores for all the students.

It takes that data calculates the average and the letter grade and prints out the names of the students, their average and their letter grade.

7 0

3 years ago

____ privileges for data involve establishing who can enter new data, change existing data, delete unwanted data, and view data.

Stolb23 [73]

Administrator privileges

6 0

3 years ago

In this assignment, you are provided with working code that does the following: 1. You input a sentence (containing no more than

Olegator [25]

Answer:

The code is given below,

import java.io.File;

import java.io.FileInputStream;

import java.util.ArrayList;

import java.util.List;

import java.util.Scanner;

public class SentenceUtilsTest {

public static void main(String[] args) {

List<SentenceUtils> sList = new ArrayList<SentenceUtils>();

try{

File file = new File(args[0]);

Scanner scanner = new Scanner(new FileInputStream(file));

while(scanner.hasNextLine()){

String sent = scanner.nextLine();

if(sent.trim().length() > 0){

SentenceUtils sUtils = new SentenceUtils(sent);

sList.add(sUtils);

}

}

System.out.println("File that was read:" + args[0]);

System.out.println("File contains " + sList.size() + " sentences.\n");

System.out.println("Sentences reports:\n");

for(int line = 0; line < sList.size(); line++){

System.out.println("Sentences " + line +";");

System.out.println(sList.get(line).getSentence());

SentenceUtils lineText = sList.get(line);

String[] tokens = lineText.getTokens();

for(int id = 0; id < tokens.length; id++){

System.out.println(id+":"+tokens[id]);

}

String[] shingles = lineText.getShingles();

for(int id = 0; id < shingles.length; id++){

if(shingles[id] != null){

System.out.print(shingles[id]+" ");

}

}

System.out.println("\n");

}

}catch(Exception ex){

ex.printStackTrace();

}

}

}

package sentenceutils;

import java.util.ArrayList;

import java.util.List;

public class SentenceUtils {

private String sentence;

private String[] tokens;

private String[] shingles;

public SentenceUtils(String s){

this.sentence = s;

generateTokens();

generateShingles();

}

private void generateShingles() {

List<String> shinglesList = new ArrayList<String>();

for (int index=0; index < sentence.length()-1; index++) {

shinglesList.add( sentence.charAt(index) +""+sentence.charAt(index+1) );

}

shingles = new String[sentence.length()];

shinglesList.toArray(shingles);

}

private void generateTokens() {

tokens = sentence.split(" ");

}

public String getSentence() {

return sentence;

}

public String[] getTokens() {

return tokens;

}

public String[] getShingles() {

return shingles;

}

}

4 0

3 years ago