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3 years ago

The if statement regards an expression with the value 0 as __________.

Computers and Technology

1 answer:

xeze [42]3 years ago

8 0

Answer:

The answer to this question is "false".

Explanation:

In this question, the answer is wrong because in computer science. Except for the binary language, It didn't understand any language. In computer 1 stands for true value and 0 stands for false value. In If-else statement if block executes true value is that is 1. and else block execute false value that is 0. In this question, if the value is 1 then the answer is true. But the answer to this question is false.

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2.3 Code Practice: Question 3

Tpy6a [65]

Answer:

Code in C++

Explanation:

C++ Code

#include<iostream> //for input and output

using namespace std;

int main()

{

int hour;

int minute;

cout<<"Enter the hour:";

cin>> hour;

cout<<"Enter the minute:";

cin>>minute;

minute = minute+15;

if(minute>=60){

hour++;

minute=minute-60;

}

if(hour>=24){

hour=0;

}

cout<<"Hours: "<<hour<<endl;

cout<<"Minutes:"<<minute;

return 0;

}

Code Explanation

First we need to declare two int variables to hold hour and minute values input from user.

Check if by adding 15 minutes into minute entered by user is greater then or equal to 60 then increment into hour and subtract 60 from minute.

Another check is that if user enters more then 24 hour or by making increment into hour, the hour values i greater then or equal to 24 then we need to change the hour to 0.

Result

Case 1:

Enter the hour:8

Enter the minute:15

Hours: 8

Minutes:30

Case 2:

Enter the hour:9

Enter the minute:46

Hours: 10

Minutes:1

8 0

3 years ago

A palindrome is a string that reads the same from left to right and from right to left. Design an algorithm to find the minimum

stepladder [879]

Answer:

Explanation:

The following code is written in Python. It is a recursive function that tests the first and last character of the word and keeps checking to see if each change would create the palindrome. Finally, printing out the minimum number needed to create the palindrome.

import sys

def numOfSwitches(word, start, end):

if (start > end):

return sys.maxsize

if (start == end):

return 0

if (start == end - 1):

if (word[start] == word[end]):

return 0

else:

return 1

if (word[start] == word[end]):

return numOfSwitches(word, start + 1, end - 1)

else:

return (min(numOfSwitches(word, start, end - 1),

numOfSwitches(word, start + 1, end)) + 1)

word = input("Enter a Word: ")

start = 0

end = len(word)-1

print("Number of switches required for palindrome: " + str(numOfSwitches(word, start, end)))

3 0

3 years ago

How do you become a hacker? Is there any good websites? Where do you begin? Preferably a white hat.

4vir4ik [10]

I suggest learning and studying technology and the way a computer or a phone works and how it receives info. That way, you will be able to give the device something it won't handle...... I think....

3 0

3 years ago

What is the output of the following JavaScript code?

Kazeer [188]

Answer:

<h2>Arrow function expression var arrowMultiplyBy2 = num => num * 2; If the function takes in only one argument, then the parenthesis around the parameter can be omitted as shown in the code above. ... Code 1 - Output in the following order: undefined 42. </h2>

Explanation:

7 0

3 years ago

if we had a set of 10 constraints and solver had to deterimine which 4 to enforce what would be the binary indicator varibales h

Inessa [10]

Answer:

if we had a set of 10 constraints and solver had to determine which 4 to enforce what would be the binary indicator variables have to sum to make this happen

answer : 6

Explanation:

number of constraints = 10

solver has to determine which 4 to enforce

Hence the number the Binary indicator will have to sum to enforce 4

will be : (number of constraints) - 4

= 10 - 4 = 6

5 0

3 years ago