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amid [387]
3 years ago
10

Convert the following hexadecimal numbers to decimal numbers. (Show your work) a. 0xE3 b. 0x4A c. 0xF9

Computers and Technology
1 answer:
MAVERICK [17]3 years ago
3 0

Answer:

a. 227 , b. 74 , c. 249

Explanation:

a. 0x E3 = 227

Hexadecimal Digit E corresponds to decimal number 14.

So decimal representation = 14 * 16 + 3 = 224 + 3 = 227

b. 0x 4A = 74

Hexadecimal Digit A corresponds to decimal number 10.

So decimal representation = 4 * 16 + 10 = 74

c. 0x F9 =

Hexadecimal Digit F corresponds to decimal number 15.

So decimal representation = 15 * 16 + 9 = 240 + 9 = 249

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kvv77 [185]
<h2>Answer:</h2>

//Define the method as noOfVowels

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   public static int noOfVowels(String string){

   

       //Check the length of the string

       

       //If it is less than 1, then it is an empty string

       //Hence return 0

       if(string.length() < 1){    

           return 0;

       }

       

       //Else,

       else{

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           //Check if the character is a vowel

           if (x == 'a' || x == 'e' || x == 'i' || x == 'o' || x == 'u'){

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               //But this time, call the method with  

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           else {

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               //the string excluding the first character

               //i.e the substring of the string starting at index 1 rather than 0

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   }

   

<h2>Explanation:</h2><h2></h2>

The code has been written in Java and it contains comments explaining every part of the code. Please go through the comments carefully.

The actual lines of code have been written in bold face to distinguish them from comments.

The code is re-written without comments as follows;

   public static int noOfVowels(String string){

   

       if(string.length() < 1){    

           return 0;

       }

       

       else{

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           if (x == 'a' || x == 'e' || x == 'i' || x == 'o' || x == 'u'){

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           else{

               return noOfVowels(string.substring(1));

           }

       }

   }

   

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