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lina2011 [118]
3 years ago
9

Apart from the challenges of heterogeneity, business and social change and trust and security, identify other problems and chall

enges that software engineering is likely to face in the 21st century (hint: think about the environment).
Computers and Technology
1 answer:
Klio2033 [76]3 years ago
7 0

Answer:

The challenge of cost control

The challenge of competence

The challenge of reduced system delivery times.

Explanation:The Challenge of Cost control is a major challenge affecting the software engineering in the 21st century,the cost of Microchips and other hardware are constantly rising.

The challenge of competence is another major challenge affecting software engineering in the 21st century,as most software engineers lack the required competence to handle some of the issues facing softwares.

The challenge of reduced system delivery times is a major challenge likely to affect software engineering in the 21st century,as people required the software to be available in the shortest possible time.

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A combination lock has the following basic properties:
fomenos

Answer:

public class CombinationLock {

   

    private int combinationNumber1 = 0;

    private int combinationNumber2 = 0;

    private int combinationNumber3 = 0;

   

   CombinationLock(int combinationNumber1, int combinationNumber2, int combinationNumber3){

       this.combinationNumber1 = combinationNumber1;

       this.combinationNumber2 = combinationNumber2;

       this.combinationNumber3 = combinationNumber3;

   }

   

   public boolean open(int number1, int number2, int number3){

       if(number1 == combinationNumber1 && number2 == combinationNumber2 && number3 == combinationNumber3)

           return true;

       else

           return false;

   }

   

   public boolean changeCombo(int number1, int number2, int number3, int newNumber1, int newNumber2, int newNumber3){

       

       if (open(number1, number2, number3)){

           combinationNumber1 = newNumber1;

           combinationNumber2 = newNumber2;

           combinationNumber3 = newNumber3;

           return true;

       }else

           return false;

   }

}

Explanation:

- <em>Three variables</em> are created to hold the combination.

- A <em>constructor</em> is created to set the combination.

- A boolean method called <em>open</em> is created to check if the given numbers are correct, and <u>returns true</u> (<u>otherwise returns false</u>).

- A boolean method method called <em>changeCombo</em> is created to check if given numbers are correct. If they are correct, it assigns new values for the combination and <u>returns true</u> (<u>otherwise returns false</u>).

5 0
3 years ago
What are the two ways to print a document?
guajiro [1.7K]

Answer:

ctrl+p or find the print button on the page

5 0
3 years ago
Distinguish between a computer drive and computer driver​
rewona [7]

Answer:

The word Drive typically refers to a mechanical hard drive or solid-state hard drive used to store the OS, data and programs. A driver is software code that interfaces the various devices in the computer with the processing system.

Explanation:

..............................................................

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2 years ago
You are considering implementing a backup scheme for a server. After researching options, you decide on a method that does not r
Alecsey [184]

Answer:

C. A cold site is a leased facility that contains only electrical and communications wiring, air conditioning, plumbing, and raised flooring. No communications equipment, networking hardware, or computers are installed at a cold site until it is necessary to bring the site to full operation.

Explanation:

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3 years ago
Which of the following statements about RAID is correct? Group of answer choices All RAID configurations provide fault tolerance
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Answer:

A RAID 1 configuration of 4 disks has higher storage capacity than a RAID 0 configuration

Explanation:

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