answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
HACTEHA [7]
2 years ago
8

Consider a DASH system for which there are N video versions (at N different rates and qualities) and N audio versions (at N diff

erent rates and qualities). Suppose we want to allow the player to choose at any time any of the N video versions and any of the N audio versions. a. If we create files so that the audio is mixed in with the video, so server sends only one media stream at given time, how many files will the server need to store (each a different URL)? b. If the server instead sends the audio and video streams separately and has the client synchronize the streams, how many files will the server need to store?
Computers and Technology
1 answer:
Ksju [112]2 years ago
5 0

Answer: a) N² files. b) 2N files.

Explanation:

If an user can choose freely both the video and the audio quality, if they are stored separately, but the user can download any mix of them as a single file, the server must store one audio version for each video version, so it will need to store NxN = N² files.

If, instead, the server can send the audio and video streams separately, so the user can choose one of the N videos available, and one of the N audio versions, the server will need to store only N video files + N audio audio files, i.e. , 2 N files.

You might be interested in
Ali has created a small program in Python, but he wants to store his data in a multi-dimensional array. He would like to use adv
Hunter-Best [27]

Answer:idiot to call ☎️ or ask for a new code ‍ is going with the guy to do that and I said he is still working but it Exam not working right

Explanation:

5 0
2 years ago
Which of the following methods could be considered a "best practice" in terms of informing respondents how their answers to an o
Bezzdna [24]

Answer:

C. The investigator uses the informed consent process to explain her institution's method for guaranteeing absolute confidentiality of research data.

Explanation:

If you want to apply the best possible practice of convincing participants of a survey that their data is completely safe, you should leave no room for doubt. The answer is obviously <em>not</em><em> </em>A, B or D because the investigator is <em>deliberately</em><em> </em>telling the participants that he's not sure if their data will be completely confidential.

8 0
2 years ago
Which of the following is true about sorting functions?
il63 [147K]

Answer: Option D -- Sorting an already sorted array of size n with quicksort takes O(n log n) time.

Explanation:

Sorting an already sorted array of size n with quicksort takes O(n log n) time is true about sorting functions while other options are wrong.

8 0
2 years ago
7. Test Average and Grade Write a program that asks the user to enter five test scores. The program should display a letter grad
Alenkasestr [34]

Answer:

The code solution is written in Java.

  1. import java.util.Scanner;
  2. public class TestScore {
  3.    public static void main(String[] args) {
  4.        Scanner input = new Scanner(System.in);
  5.        System.out.print("Please enter first score: ");
  6.        double firstScore = input.nextDouble();
  7.        System.out.println("Grade: " + determineGrade(firstScore));
  8.        System.out.print("Please enter second score: ");
  9.        double secondScore = input.nextDouble();
  10.        System.out.println("Grade: " + determineGrade(secondScore));
  11.        System.out.print("Please enter third score: ");
  12.        double thirdScore = input.nextDouble();
  13.        System.out.println("Grade: " + determineGrade(thirdScore));
  14.        System.out.print("Please enter fourth score: ");
  15.        double fourthScore = input.nextDouble();
  16.        System.out.println("Grade: " + determineGrade(fourthScore));
  17.        System.out.print("Please enter fifth score: ");
  18.        double fifthScore = input.nextDouble();
  19.        System.out.println("Grade: " + determineGrade(fifthScore));
  20.        System.out.println("Average score: " + calcAverage(firstScore, secondScore, thirdScore, fourthScore, fifthScore));
  21.    }
  22.    public static double calcAverage(double score1, double score2, double score3, double score4, double score5){
  23.        double average = (score1 + score2 + score3 + score4 + score5) / 5;
  24.        return average;
  25.    }
  26.    public static String determineGrade(double score){
  27.        if(score >= 90){
  28.            return "A";
  29.        }
  30.        else if(score >= 80 ){
  31.            return "B";
  32.        }
  33.        else if(score >=70){
  34.            return "C";
  35.        }
  36.        else if(score >=60){
  37.            return "D";
  38.        }
  39.        else{
  40.            return "F";
  41.        }
  42.    }
  43. }

Explanation:

Firstly, create the method, <em>calcAverage()</em>, that takes five test scores. Within the method, calculate the average and return it as output. (Line 33 - 36)

Next, create another method, <em>determineGrade()</em>, which takes only one score and return the grade based on the range of the  score. (Line 38 -54)

Once the two required methods are created, we are ready to prompt use for input five test scores using Java Scanner class. To use get user input, create a Scanner object (Line 7). Next, use getDouble() method to get an input score and assign it to variables firstScore, secondScore, thirdScore, fourthScore & fifthScore, respectively. Once a score input by user, call determineGrade() method by passing the input score as argument and immediately print out the return grade. (Line  9 - 27)

At last, call calcAverage() method by passing the first test score variables as argument and print out the returned average value. (Line 29).

5 0
2 years ago
Mrs. Johnson is here today to receive an intercostal nerve block to mitigate the debilitating pain of her malignancy. Her cancer
Furkat [3]

Answer:

The correct answer is:

a. M54.6, C79.51, C80.1

Explanation:

-  M54.6 Pain in thoracic spine. It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2020 edition of ICD-10-CM M54.

- C79.51: Secondary malignant neoplasm of bone, it is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

- G89. 3 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2020 edition of ICD-10-CM G89.

Malignant neoplasm of anus, unspecified

Neoplasm related pain (acute) (chronic)

Pain in thoracic spine. M54. 6 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2020 edition of ICD-10-CM M54.

Malignant (primary) neoplasm, unspecified

- C80. 1 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2020 edition of ICD-10-CM C80.

5 0
2 years ago
Other questions:
  • What is the term for a web site that uses encryption techniques to protect its data?
    12·1 answer
  • What company built its first computer from a wooden box
    12·2 answers
  • A company wants to publish Knowledge articles to its Customer Community. The articles should be organized for easy navigation by
    6·1 answer
  • Write a program that first reads in the name of an input file, followed by two strings representing the lower and upper bounds o
    15·2 answers
  • Using the RAID controller on the motherboard, you configure three hard disks in a RAID 5 array. You leave the array unpartitione
    14·1 answer
  • You are the IT security administrator for a small corporate network. Samuel Garcia (sgarcia) has been away on vacation and has f
    9·1 answer
  • What is the name of the program file that you can enter in the Windows search or Run box to execute Event Viewer? What process i
    12·1 answer
  • 6.4 Predicting Prices of Used Cars. The file ToyotaCorolla.csv contains data on used cars (Toyota Corolla) on sale during late s
    5·1 answer
  • What are some reasons DNS is necessary? Check all that apply. A. It maps local addresses to simple names without editing hosts f
    7·1 answer
  • A collection of technologies that allow publishing of search results in a format suitable for syndication and aggregation. It is
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!