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levacccp [35]
3 years ago
13

The true or false questions.

Computers and Technology
1 answer:
tankabanditka [31]3 years ago
3 0

Answer:

false

Explanation:

-exec option is not mandatory for the find command.

find will still list out the identified files even in the absence of -exec option.

For example:

find . -name test -print

will print out files with the name 'test' in the current directory. Note that there is no exec option in this example.

Same holds true for find with no additional options at all.

For example:

find .

will list out all files in the current directory.

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Describe how a black and white image could be represented in binary
SIZIF [17.4K]

Answer:

Each pixel in an image is made up of binary numbers. If we say that 1 is black (or on) and 0 is white (or off), then a simple black and white picture can be created using binary. To create the picture, a grid can be set out and the squares coloured (1 – black and 0 – white).

5 0
3 years ago
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In the legend of sleeping Hallow what does Ichabod Crane fear the most
ahrayia [7]

Ichabod Crane is terrified of the headless horsemen

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3 years ago
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Which of these number formats would you want to apply to a cell showing the total sales for the month? Currency, Number, or Perc
ollegr [7]

Answer:

Currency

Explanation:

Since sales are in money, and currency shows money, Currency is our answer

3 0
3 years ago
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Remote authentication has always been a concern because the person is coming from a public network, and many companies require t
g100num [7]

Answer:

Incomplete Question.

I'll answer this question based on general terms

Explanation:

Two Factor Authentication, abbreviated as 2FA.

It is a type of authentication that requires the presentation of two credentials for access to personal data and information.

The credentials needed for a 2FA are

1. Either of the following; PIN, Password or Pattern

2. Your device or gadget which could be an ATM Card, Mobile Phone

3. Biometrics such as fingerprint, voice input

Number one is often referred to as "Something you know"

Number two is referred to as "Something you have"

Number three is referred to as "Something you are"

The 2FA doesn't require the three aforementioned credentials. It only needs just two of the credentials to provide its authentication.

8 0
3 years ago
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Design a class named Person with fields for holding a person's name, address, and telephone number (all as Strings). Write a con
Sophie [7]

Answer:

Explanation:

The following code is written in Java. It creates the three classes as requested with the correct constructors, and getter/setter methods. Then the test class asks the user for all the information and creates the customer object, finally printing out that information from the object getter methods.

import java.util.Scanner;

class Person {

   String name, address, telephone;

   private void Person (String name, String address, String telephone) {

       this.name = name;

       this.address = address;

       this.telephone = telephone;

   }

   public String getName() {

       return name;

   }

   public void setName(String name) {

       this.name = name;

   }

   public String getAddress() {

       return address;

   }

   public void setAddress(String address) {

       this.address = address;

   }

   public String getTelephone() {

       return telephone;

   }

   public void setTelephone(String telephone) {

       this.telephone = telephone;

   }

}

class Customer extends Person {

   String customerNumber;

   Boolean mailingList;

   public Customer(String s, Boolean mail) {

       super();

       this.customerNumber = customerNumber;

       this.mailingList = mailingList;

   }

   public String getCustomerNumber() {

       return customerNumber;

   }

   public void setCustomerNumber(String customerNumber) {

       this.customerNumber = customerNumber;

   }

   public Boolean getMailingList() {

       return mailingList;

   }

   public void setMailingList(Boolean mailingList) {

       this.mailingList = mailingList;

   }

}

class Test {

   public static void main(final String[] args) {

       Scanner in = new Scanner(System.in);

       System.out.println("Enter Customer Name: ");

       String name = in.nextLine();

       System.out.println("Enter Customer Address: ");

       String address = in.nextLine();

       System.out.println("Enter Customer Telephone: ");

       String telephone = in.nextLine();

       System.out.println("Would you like to receive mail? y/n ");

       Boolean mail;

       if(in.nextLine() == "y") {

           mail = true;

       } else {

           mail = false;

       }

       Customer customer = new Customer("1", mail);

       customer.setName(name);

       customer.setAddress(address);

       customer.setTelephone(telephone);

       System.out.println("Name: " + customer.getName());

       System.out.println("Address: " + customer.getAddress());

       System.out.println("Telephone: " + customer.getTelephone());

       System.out.println("Wants to receive mail: " + String.valueOf(customer.getMailingList()));

   }

}

7 0
2 years ago
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