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Solnce55 [7]
3 years ago
5

Which of the following speeches is an example of a demonstration speech? a. “Who was Abraham Lincoln” b. “The Human Brain and it

’s Many Parts” c. “The Creation of Hollywood” d. “Making Irish Soda Bread”         
d.“Making Irish Soda Bread” is the right answer
Computers and Technology
1 answer:
AleksAgata [21]3 years ago
7 0
<span> Its D...“Making Irish Soda Bread”:)</span>
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Write a C program to implement a command called ​displaycontent ​that takes a (text) file name as argument and display its conte
Zanzabum

Answer:

/*

Student: Hugo Meza

Date: February 15, 2019

Description: This program mimic the cat command from Linux. Checks whether the source file

has the right permissions, and then writes in the console its content.

*/

#include <stdio.h>

#include <fcntl.h>

#include <unistd.h>

#include <errno.h>

int hasPermission(char *filepath){

int returnval;

// Check file existence

returnval = access (filepath, F_OK);

if(errno == ENOENT){

printf ("%s does not exist\n", filepath);

return 0;

}

else if (errno == EACCES){

printf ("%s is not accessible\n", filepath);

return 0;

}

// Check read access

returnval = access (filepath, R_OK);

if(errno == ENOENT){

printf ("%s does not have read access\n", filepath);

return 0;

}

else if (errno == EACCES){

printf ("%s is not accessible\n",filepath);

return 0;

}

// Check write access

returnval = access (filepath, W_OK);

if(errno == ENOENT){

printf ("%s does not have read access\n", filepath);

return 0;

}

else if (errno == EACCES){

printf ("%s is not accessible\n",filepath);

return 0;

}

return 1;

}

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

if(!argv[1]){

printf("Error. Specify file to open\n");

return 0;

}

int fd;

char *fp = argv[1], content[fd];

if(hasPermission(fp) == 0)

return 1;

fd = open(fp, O_RDONLY);

int bytes = read(fd,content,sizeof(content)-1);

write(1, content, bytes);

close(fd);

return 0;

}

Explanation:

7 0
3 years ago
BUURTAIS
Alisiya [41]

Answer:

what I'm confused ???????

Explanation:

?

4 0
3 years ago
T F The exit function can only be called from main .
ElenaW [278]

Answer:

FALSE

Explanation:

The exit function is used to terminate or halt the process.

Syntax-

            void exit(int status)  

Exit function (exit()) can be used in any function not only main() and it will terminate your whole process.

<u></u>

<u>Example-</u> C Program

#include<stdio.h>

#include <stdlib.h>  

//  function declaration

float exitexample ( float x );                                

// Driver program

int main( )                

{

 float a, b ;

 printf ( "\nEnter some number for finding square \n");

  scanf ( "%f", &a ) ;

 // function call

 b = exitexample ( a ) ;                      

 printf ( "\nSquare of the given number %f is %f",a,b );  

/*This will not printed as exit function is in exitexample() function*/

}

float exitexample ( float x )   // function definition  

{

 exit(0);    //exit function

   float p ;

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return ( p ) ;

}

5 0
3 years ago
It's a holiday poop in my bitt
Zina [86]

Answer:

bitt

Explanation:

pp

4 0
2 years ago
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Assume we perform a known-plaintext attack against DES with one pair of plaintext and ciphertext. How many keys do we have to te
nasty-shy [4]

Answer:

2^{55} keys in a worst case scenario

Explanation:

So, Average will be : 2^{56} /2

2^{55}(Answer)

5 0
3 years ago
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