Get Advice on Live Video Call
Earn $ Cash $ with
consultations on Bissoy App

The following C code is an example of . . . . . . . .<br><pre><code class="c-program">#include&lt;stdio.h&gt;#include&lt;stdlib.h&gt;#include&lt;string.h&gt;main(){ char *p,*q; p=(char*)malloc(3*sizeof(char)); q=p; strcpy(p,"hello"); printf("p=%s",p); printf("q=%s",q); free(q); q=NULL; gets(p); gets(q); printf("%s",p); printf(“%s”,q);}</code></pre>

Correct Answer: Dangling pointer

Which among the following is correct syntax to declare a 2D array using new operator? = new char; b) char (pchar) = new char; c) char (*char) = new char; d) char (*char)= new char;

Determine output:
#include <stdio.h>void main(){ char *p = NULL; char *q = 0; if(p) printf(" p "); else printf("nullp"); if(q) printf("q"); else printf(" nullq");}

Select the correct differences between char and varchar data types? i. varchar is non unicode and char is unicode character data type ii. char is ‘n’ bytes whereas varchar is actual length in bytes of data entered in terms of storage size iii. varchar is variable in length and char is the fixed length string iv. For varchar, if a string is less than the maximum length then it is stored in verbatim without any extra characters while for char if a string is less than the set length it is padded with extra characters to equalize its length to given length

What does 'name' represent in the following SQL code snippet?
CREATE TABLE student( name CHAR(30), roll_num INT, address CHAR(30), phone CHAR(12));

What will be the following code's output if choice = 'R'?
switch(choice){ case 'R' : printf("RED"); case 'W' : printf("WHITE"); case 'B' : printf("BLUE"); default : printf("ERROR");break;}

Comment on the output of the following C code.
#include <stdio.h>int main(){ int a = 1; switch (a) case 1: printf("%d", a); case 2: printf("%d", a); case 3: printf("%d", a); default: printf("%d", a);}

Which of the following command options are displayed when you use the Router# show frame-relay ? command?
1. dlci
2. neighbors
3. lmi
4. pvc
5. map

What will be the error (if any) in the following C code?
#include<stdio.h>#include<stdlib.h>#include<string.h>int main(){ char *p; *p = (char)calloc(10); strcpy(p, "HELLO"); printf("%s", p); free(p); return 0;}

Comment on the output of the following C code.
#include <stdio.h>int main(){ char *str = "This" //Line 1 char *ptr = "Program\n"; //Line 2 str = ptr; //Line 3 printf("%s, %s\n", str, ptr); //Line 4}

Determine Output:
void main(){ int i=3; switch(i) { default: printf("zero"); case 1: printf("one"); break; case 2: printf("two"); break; case 3: printf("three"); break; }}