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Reika [66]
3 years ago
13

You're a ticket agent for a commercial airline and responsible for checking the identification for each passenger before issuing

their boarding pass. Due to federal regulations, there is a total of three different forms of ID that can potentially be used. You must determine whether the passenger has the sufficient identification to board the plane or not. Facts: ⢠A passport is enough for a boarding pass ⢠Without a passport, passengers must have two other forms of ID: driver's license birth certificate ⢠If the above two conditions are not met, then they are denied. Input Your solution must take in three boolean inputs. The first input represents whether they have a passport or not. The second input represents whether they have a driver's license or not. The third input represents whether they have a birth certificate or not Output The output should display as a boolean result whether they can board the plane or not. Sample Input Sample output true false false true false true true true false false false false
Computers and Technology
1 answer:
algol133 years ago
3 0

Answer:

Follows are the code to this question:

import java.util.*;//import package for user input  

public class Main //defining class  

{

  public static void main(String[] as)//main method

  {

      boolean x,y,z;//defining boolean variable

      Scanner ox= new Scanner(System.in);//create Scanner class object for user input

      System.out.println("input value: "); //print message  

      x=ox.nextBoolean();//input value

      y=ox.nextBoolean();//input value

      z=ox.nextBoolean();//input value

      System.out.println("Output: ");//print message

      System.out.println(x || (y &&z));//use print method to check value and print its value  

  }

}

Output:

1)

input value:  

true

false

false

Output:  

true

2)

input value:  

false

true

true

Output:  

true

3)

input value:  

false

false

false

Output:  

false

Explanation:

In the given code, inside the class three boolean variable "x,y, and z" is declared, that uses the scanner class for input the value from the user end, and in the next print, the method is declared, that uses " OR and AND" gate for calculating the input value and print its value.

In the AND gate, when both conditions are true. it will print the value true, and in the OR gate, when one of the conditions is true, it will print the value true.  

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OlgaM077 [116]

Answer:

Explanation:

1: The three most popular data systems that make use of Big Data file systems approach are:

The HDFS (Hadoop Distributed File System), Apache Spark, and Quantcast File System(QFS).

HDFS is the most popular among these and it makes use of the MapReduce algorithm to perform the data management tasks. It can highly tolerate faults and can run on low-cost hardware. It was written in Java and it is an open-source software.

Apache Spark makes use of Resilient Distributed Data (RDD) protocol. It is much faster and lighter than the HDFS and it can be programmed using a variety of languages such as Java, Scala, Python, etc. Its main advantage over HDFS is that it is highly scalable.

While QFS was developed as an alternative to the HDFS and it is also highly fault-tolerant and with space efficient. It makes use of the Reed-Solomon Error Correction technique to perform the task of data management.

2: The NewSQL databases were developed as a solution to the scalability challenges of the monolithic SQL databases. They were designed to allow multiple nodes in the context of an SQL database without affecting the replication architecture. It worked really well during the starting years of the cloud technology. Some of the databases that make use of New SQL technology are Vitess, Citus, etc.

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While, Citus is a PostgreSQL equivalent of the Vitess. It ensures transparent sharding due to which it accounts for horizontal write scalability to PostgreSQL deployments.

NoSQL database technology was developed to provide a mechanism for the storage and retrieval of data that is modeled in a way other than the tabular relations used in the traditional databases (RDBMS). The most popular database that makes use of the NoSQL technology is MongoDB. It functions as a cross-platform document-oriented database. It is known for its ability to provide high availability of replica sets. A replica set is nothing but a bundle of two or more copies of the data

3 0
3 years ago
How to Ctrl + shift + F4 but in a HP laptop?​
ludmilkaskok [199]

Answer:

Hit the X Button Located on the top right corner or hit Control, Alt, Delete

Explanation:

Hitting the X button will make you exit the whole cite, or hitting Control, Alt, Delet, will make you go to the task bar, in which you can go to the bottom right of that screen and it should say end task

3 0
3 years ago
Read 2 more answers
Your older brother Max tells you about his secret plan to hack into his college’s computer network and change all of his grades.
viktelen [127]

Answer:

Tell him he could get kicked out of school and it can possibly show up on his record and lessen his chances of finding a job since no one will trust him. He should just focus and get his grades up instead of risking everything and "taking the easy way out".

Explanation:

6 0
2 years ago
Explain why regular system cleanup is vital to ensuring the operating system runs efficiently.
Monica [59]
Cleaning up a system helps clear up the space on the drives. It may also clear up processor usage, ram usage if you uninstall programs that automatically started when the system booted. You may also delete some unwanted programs in the process.
6 0
3 years ago
Which statement will read an entire line of input into the following string object?
Solnce55 [7]

Answer:

getline(cin, address);

Explanation:

Given

String object: address

Required

Statement that reads the entire line

The list of given options shows that the programming language is c++.

Analysing each option (a) to (e):

a. cin<<address;

The above instruction will read the string object until the first blank space.

Take for instance:

The user supplied "Lagos state" as input, only "Lagos" will be saved in address using this option.

b. cin address:

This is an incorrect syntax

c. getline(cin,address);

Using the same instance as (a) above, this reads the complete line and "Lagos state" will be saved in variable address

d. cin.get(address);

address is created as a string object and the above instruction will only work for character pointers (i.e. char*)

<em>From the above analysis, option (c) is correct.</em>

6 0
3 years ago
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