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Veseljchak [2.6K]
3 years ago
15

What emphasizes extensive user involvement in the rapid and evolutionary construction of working prototypes of a system to accel

erate the systems development process?
Computers and Technology
1 answer:
Lady bird [3.3K]3 years ago
8 0

Answer:

The correct answer to the following question will be "RAD methodology".

Explanation:

It is indeed a kind of tactical technique of application development that emphasizes fast launches of prototypes and implementations.

  • RAD promotes further use of tools and consumer input over rigid preparation and the documentation of specifications.
  • It's being used when developers are widely accessible for development as well as the expenditure is high sufficiently cover their costs together with the expense of advanced code generation devices.

So, it's the right answer.

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Write a multithreaded program that generates the Fibonacci series using Pthreads thread library. This program should work as fol
Mamont248 [21]

Answer:

#include <pthread.h>

#include <stdio.h>

#include <stdlib.h>

pthread_mutex_t mutex;

int fib[10]; /* this data is shared by the thread(s) */

int in = 0;

void *genFibo(void *param); /* the thread */

int main(int argc, char *argv[])

{

   pthread_attr_t attr;  

   if (argc != 2) {

   fprintf(stderr,"usage: fibthread <integer value>\n");

   return -1;

   }

   int count = atoi(argv[1]);

   if (count < 1) {

   fprintf(stderr,"%d must be>= 1\n", count);

   return -1;

   }

   pthread_attr_init(&attr);

   // Mutex Lock

   pthread_mutex_init(&mutex, NULL);

   // each thread computes fibonacci

   for(int i = 1;i <= count;i++) {

   pthread_t thread;

   pthread_create(&thread, &attr, genFibo, (void*)i);

   pthread_join(thread, NULL);    

   }    

   // print resulting array

   for (int i = 0; i < in;i++) {

   printf("%d ", fib[i]);

   }

   printf("\n");

   pthread_mutex_destroy(&mutex);

}

void *genFibo(void *param)

{

   pthread_mutex_lock(&mutex);

   fib[in++] = fibonacci((int)param);

   pthread_mutex_unlock(&mutex);

   pthread_exit(0);

}

int fibonacci (int x)

{

   if (x <= 1) {

   return 1;

   }

   return fibonacci(x-1) + fibonacci(x-2);

}

4 0
4 years ago
Which of the following represents a transition?
timama [110]

Explanation:

C.

D.

395 - 44th Street Long B.

Ο Α

O

B

С

OD

8 0
3 years ago
Melissa and Sue want to distribute a document to be discussed at a meeting starting in about thirty minutes. People will be atte
Anettt [7]
The answer is (c) fax the document to each location


Since fax machines are all connected to the old telephone lines, when used, they place a phone call to the number you have specified. This machine at the destination number on the other end receives and the transmission of documents is done over a telephone call. 

Melissa and Sue will also be in a position to send this fax using a computer if the computer will be connected to the phone line and a presence of a dial-up fax modem.




3 0
3 years ago
जिल्ला । स्तरीय = 'जिल्ला स्तरीय' भए जस्तै तलका शब्दमा स्तरीय जोडेर
Gekata [30.6K]

Answer:

Well, I guess you could use a special representation of the function through a sum of terms, also known as Taylor Series.

It is, basically, what happens in your pocket calculator when you evaluate, for example,  

sin

(

30

°

)

.

Your calculator does this:

sin

(

θ

)

=

θ

−

θ

3

3

!

+

θ

5

5

!

−

...

where  

θ

must be in RADIANS.

In theory you should add infinite terms but, depending upon the accuracy required, you can normally stop at three terms.

In our case we have:  

θ

=

π

6

=

3.14

6

=

0.523

and:

sin

(

π

6

)

=

sin

(

0.523

)

=

0.523

−

0.024

+

3.26

⋅

10

−

4

−

...

=

0.499

≈

0.5

Explanation:

3 0
4 years ago
Imagine you're developing a Pokemon game, and you need to implement the battle party mechanic. Recall that the player's party ca
valina [46]

Answer:

Complete code is given below and output is also attached.

Explanation:

import java.util.ArrayList;

import java.util.HashMap;

import java.util.Iterator;

import java.util.Map;

import java.util.Set;

public class Test {

  public static void main(String[] args) {

      String [] names = {"Pikachu", "Venuasur", "Charizard", "Blastoise", "Lapras", "Sonarlax"};

      int[] levels = {88, 84, 84, 84, 80, 82};

     

      ArrayList<HashMap<String, Integer>> party = createParty(names, levels);

     

      //looping through the list

      for(HashMap<String, Integer> i: party) {

         

          Set set = i.entrySet();

          Iterator itr = set.iterator();

          //showing output

          while(itr.hasNext()) {

              Map.Entry mentry = (Map.Entry)itr.next();

              System.out.println(mentry.getKey()+" "+mentry.getValue());

          }

      }

  }

  private static ArrayList<HashMap<String, Integer>> createParty(String[] names, int[] levels) {

      ArrayList<HashMap<String, Integer>> party = new ArrayList<>();

     

      for(int i=0; i<names.length; i++) {

          //creating new hashmap

          HashMap<String, Integer> pokemon = new HashMap<>();

          pokemon.put(names[i], levels[i]);//adding pokemon

          party.add(pokemon);//adding it to the list

      }

     

      return party;

  }

}

4 0
4 years ago
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