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Luden [163]
4 years ago
14

What is meant by polling mode in communication between software andUART and what is its disadvantage as compared to interrupt mo

de.[
Computers and Technology
1 answer:
g100num [7]4 years ago
3 0

Answer and Explanation:

POLLING MODE: In polling mode in communication process the processor     continually check UART port for data instead of UART port signaling the process through an interrupt when data is ready as is done in interrupt mode.

 THE DISADVANTAGES AS COMPARED TO THE INTERRUPT MODE :

the disadvantages in polling mode is that the processor wastes time in checking the UART continually while in interrupt mode it is  doing useful task

until the UART interrupt this  

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What is an elliptic curve cryptosystem (ECC)?
andrezito [222]

Answer:

d. Provides a stronger cryptographic result with a shorter key.

Explanation:

The elliptic curve cryptosystem (ECC) is a public key cipher that provides higher security than other public key cryptosystems, such as the RSA, with shorter key.

So the correct answer is:

d. Provides a stronger cryptographic result with a shorter key.

3 0
3 years ago
What is included on the HP PC Hardware Diagnostics 3-in-1 USB Key that allows you to recover systems that cannot boot?
algol13

Answer:

HP PC Hardware Diagnostics UEFI

Explanation:

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4 years ago
Implement one array of the English alphabet (26 characters). a) Create a function, getLetters() to cast and generate the array.
WARRIOR [948]

#include <fstream>

#include <iostream>

#include <iomanip>

#include <cstring>

#include <cstdlib>

using namespace std;

// Function Declarations

void display(char alphabets[],int MAX_SIZE);

void reverse(char alphabets[],int MAX_SIZE);

void swap(char &ch1,char &ch2);

int main() {

 //Declaring constant

const int MAX_SIZE=26;

 

//Declaring a char array

char alphabets[MAX_SIZE];

 

//Populating the array with alphabets

for(int i=0;i<MAX_SIZE;i++)

{

 alphabets[i]=(char)(65+i);

 }

 

 cout<<"Original: ";

 display(alphabets,MAX_SIZE);

 reverse(alphabets,MAX_SIZE);

 cout<<"Reversed: ";

 display(alphabets,MAX_SIZE);

 return 0;

}

//This function will display the array contents

void display(char alphabets[],int MAX_SIZE)

{

 for(int i=0;i<MAX_SIZE;i++)

 {

    cout<<alphabets[i]<<" ";

 }

 cout<<endl;

}

//This function will reverse the array elements

void reverse(char alphabets[],int MAX_SIZE)

{

 int first,last;

 first=0;

 last=MAX_SIZE-1;

 

 while(first<last)

 {

   

    swap(alphabets[first],alphabets[last]);

    first++;

    last--;

   

 }

}

void swap(char &ch1,char &ch2)

{

 char temp;

 temp=ch1;

 ch1=ch2;

 ch2=temp;

6 0
2 years ago
Which of the following is the largest unit of information?
Mila [183]
What are the choices?

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Jack is writing a paragraph for a school assignment. He proofreads his paper and notices that he used the word, "then" many time
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He should use a Thesaurus.

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