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Yuliya22 [10]
3 years ago
7

If you want to protect your identity while social networking, then you might use a(n) ____________ for your profile image

Computers and Technology
1 answer:
notsponge [240]3 years ago
4 0
Won't you use a fake photo for your profile image or not put one on at all! This is a very safe way to keep your identity a secret and that you are very safe while you are online.

Hope this help!!
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What is the output of 1101×10==11000+10
aliya0001 [1]

Answer:

west ward cpt output

Explanation:

i know because i invented it

6 0
3 years ago
Using functions,
ZanzabumX [31]

Answer:

See explaination

Explanation:

#include <iostream>

using namespace std;

int main()

{

double h, w;

int s, a, b;

cout<<"height in feet: ";

cin>>h;

cout<<"width in feet: " ;

cin>>w;

cout<<"tile size in inches:";

cin>>s;

int height = h*12;

if(height%s==0)

a = height/s;

else

a = height/s + 1;

int width = w*12;

if(width%s==0)

b = width/s;

else

b = width/s + 1;

cout<<"Number of tiles: "<<a*b;

}

8 0
3 years ago
An important part of the development of transport is safety. how can you, when you get around in different ways, contribute to m
nika2105 [10]

Answer:

I need help I don't get a this questions please asap?

Explanation:    Head-on collisions. Some simple solutions can help to reduce the risk of head-on crashes. ...

   Run-off road crashes. This is when a vehicle collides with a stationary object, such as a sign or lamppost, after leaving the road. ...

   Intersection crashes. ...

   Vulnerable road users. ...

   Much work to be done.

Aug 31, 2018

8 0
3 years ago
Create a program which will input data into a pipe one character at a time. Count the number of characters as they are written i
LenKa [72]

Answer:

a)

#include<stdio.h>

#include<stdlib.h>

#include<fcntl.h>

#include<unistd.h>

 

#define BUFSIZE 16

int main(){

   //pipe descriptors

   char msg[BUFSIZE];

   char buf[BUFSIZE];

   int pipefd[2];

   if(pipe(pipefd) == -1){

       //pipe creation error

       perror("pipe");

       exit(EXIT_FAILURE);

   }

   //pipe creation successfull

   //write four messages

   sprintf(msg , "apple");

   write(pipefd[1], msg, BUFSIZE);

   printf("Written %s\n", msg);

   sprintf(msg , "boy");

   write(pipefd[1], msg, BUFSIZE);

   printf("Written %s\n", msg);

   sprintf(msg , "cat");

   write(pipefd[1], msg, BUFSIZE);

   printf("Written %s\n", msg);

   sprintf(msg , "dog");

   write(pipefd[1], msg, BUFSIZE);

   printf("Written %s\n", msg);

   //read

   read(pipefd[0], buf, BUFSIZE);

   printf("Read: %s\n", buf);

   read(pipefd[0], buf, BUFSIZE);

   printf("Read: %s\n", buf);

   read(pipefd[0], buf, BUFSIZE);

   printf("Read: %s\n", buf);

   read(pipefd[0], buf, BUFSIZE);

   printf("Read: %s\n", buf);

   close(pipefd[0]);

   close(pipefd[1]);

   return 0;

}

(b)

#include<stdio.h>

#include<stdlib.h>

#include<fcntl.h>

#include<unistd.h>

#include<wait.h>

#define BUFSIZE 16

int main(){

   //pipe descriptors

   char msg[BUFSIZE];

   char buf[BUFSIZE];

   int pipefd[2];

   if(pipe(pipefd) == -1){

       //pipe creation error

       perror("pipe");

       exit(EXIT_FAILURE);

   }

   //pipe creation successfull

   //write four messages

   if(fork() == 0){

       //this is child

       //close unused write end

       close(pipefd[1]);

       read(pipefd[0], buf, BUFSIZE);

       printf("This is child process reading first message. Content is %s\n", buf);

       read(pipefd[0], buf, BUFSIZE);

       printf("This is child process reading second message. Content is %s\n", buf);

       read(pipefd[0], buf, BUFSIZE);

       printf("This is child process reading third message. Content is %s\n", buf);

       read(pipefd[0], buf, BUFSIZE);

       printf("This is child process reading fourth message. Content is %s\n", buf);

       close(pipefd[0]);

       //exit from child

       exit(EXIT_SUCCESS);

   }

   //this is parent process

   //close unused read end

   close(pipefd[0]);

   sprintf(msg , "apple");

   printf("This is parent process. Writing first message into pipe\n");

   write(pipefd[1], msg, BUFSIZE);

   sprintf(msg , "boy");

   printf("This is parent process. Writing second message into pipe\n");

   write(pipefd[1], msg, BUFSIZE);

   sprintf(msg , "cat");

   printf("This is parent process. Writing third message into pipe\n");

   write(pipefd[1], msg, BUFSIZE);

   sprintf(msg , "dog");

   printf("This is parent process. Writing fourth message into pipe\n");

   write(pipefd[1], msg, BUFSIZE);

   close(pipefd[1]);

   //wait for child

   wait(NULL);

   return 0;

}

(c)

#include<stdio.h>

#include<stdlib.h>

#include<fcntl.h>

#include<unistd.h>

#include<sys/wait.h>

#include<sys/types.h>

#include<signal.h>

typedef struct sigaction Sigaction;

unsigned long long size = 0;

void alarmhandler(int sig){

   //alarm fired writing blocked

   printf("Write blocked after %llu characters\n", size);

   exit(EXIT_SUCCESS);

}

int main(){

   //pipe descriptors

   int pipefd[2];

   if(pipe(pipefd) == -1){

       //pipe creation error

       perror("pipe");

       exit(EXIT_FAILURE);

   }

   //install handler

   sigset_t mask , prev;

   sigemptyset(&mask);

   sigaddset(&mask , SIGALRM);

   sigprocmask(SIG_BLOCK , &mask , &prev);

   Sigaction new_action;

   sigemptyset(&new_action.sa_mask);

   new_action.sa_flags = SA_RESTART;

   new_action.sa_handler = alarmhandler;

   sigaction(SIGALRM , &new_action , NULL);

   sigprocmask(SIG_SETMASK , &prev, NULL);

   while(1){

     

       //print size on multiple of 4

       if(size != 0 && size % 1024 == 0){

           printf("%llu characters in pipe\n", size);

       }

       //reset previous alarm

       alarm(0);

       //set new alarm for 5 seconds

       alarm(5);

       //write to pipe one character

       write(pipefd[1], "A", sizeof(char));

       size++;

   }

   return 0;

}

Explanation:

Output for a, b, c are pasted accordingly

4 0
3 years ago
Define a class named person that contains two instance variables of type string that stores the first name and last name of a pe
Katarina [22]

Answer:

Answered below

Explanation:

//Program is written using Java programming language.

Class Person {

private string firstName;

private string lastName;

void set firstName(string a){

firstName = a;

}

string getFirstName(){

return firstName;

}

void setLastname( string b){

lastName = b;

}

string getLastName( ){

return lastName;

}

void displayDetails( ) {

System.out.print(firstName);

System.out.print (lastName);

}

}

//Test program

Class Main{

public static void main(String args [] ){

Person person = new Person( )

person.setFirstName("Karen")

System.out.print(person.getFirstName)

person.displayDetails()

}

}

5 0
3 years ago
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