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Which of the following is a two-dimensional array? b) int array c) int array d) char array

Correct Answer: 20
Double dimensional arrays are declared in this format.

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;

What is the output of this program ? #include
using namespace std;
int n(char, int);
int (*p) (char, int) = n;
int main()
{
(*p)('d', 9);
p(10, 9);
return 0;
}
int n(char c, int i)
{
cout << c << i;
return 0;
}

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

Which method of the character stream class returns the numbers of characters successfully read starting at index? buffer, int index, int count) c) int ReadBlock(char buffer, int index, int count) d) none of the mentioned

Which method of character stream class returns the numbers of characters successfully read starting at count? buffer, int index, int count) c) int ReadBlock(char buffer, int index, int count) d) none of the mentioned

What is the correct syntax of declaring array of pointers of integers of size 10 in C++? ; b) int **arr = new int*; c) int *arr = new int; d) int *arr = new int*;

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));

Which of the following is an external variable in the following C code?
#include <stdio.h>int func (int a){ int b; return b;}int main(){ int c; func (c);}int d;

What will be the final values of i and j in the following C code?
#include <stdio.h>int x = 0;int f(){ if (x == 0) return x + 1; else return x - 1;}int g(){ return x++;}int main(){ int i = (f() + g()) | g(); //bitwise or int j = g() | (f() + g()); //bitwise or}

What will be the final values of i and j in the following C code?
#include <stdio.h>int x = 0;int f(){ if (x == 0) return x + 1; else return x - 1;}int g(){ return x++;}int main(){ int i = (f() + g()) || g(); int j = g() || (f() + g());}