Answer to Question #275311 in C++ for jihad

Question

1. What do you mean by Program? Briefly describe the basic structure of C programs.

2. What is a token? Differentiate between a for loop and a while loop? What are it uses?

3. What is a data type? Differentiate between array and pointer. Write a program to interchange 2 variables without using the third one.

4. What is an array of pointers? Is it possible to have negative index in an array? Why is it necessary to give the size of an array in an array declaration?

5. Submit a Report "the impact of improving debugging skill on programming ability"

Answer 1

A program is a collection of instructions that tells a computer on how to accomplish a particular task

Basic structure of a C program

#include<studio.h > s//Preprocesor directive
main() //Main function
{
into a;
printf("Enter a");//output
scant"%d",&a); //input
printf"A = %d", a); //output
return 0;
}

A token is a single element of a programming language

For and while loop is used to execute a statement or block of statements until

a given condition become false. A for loop is a post test loop used when number of tikes to loop is known, on the other hand while loop is a pre-test loop used when number of times to loop is not known

Datatype describes the type of data to be stored by a variable, for example, into

Array is a collection of elements of the same type and whose elements can be accessed using index while a pointer is used to store addresses of values

#include<upstream> 
using namespace std; 
int main (){
into a=10, b=4, temp=0;

temp=a;
a=b;
b=temp;

cout<<a<<b;

return 0;
}

array of pointers is an indexed set of variables, where the variables are pointers (referencing a location in memory). ... The value of each integer is printed by dereferencing the pointers. 

No, you cannot use a negative value in arrays

Size of an array tells how many elements the array will hold

Testing and debugging are important activities during software development and maintenance. Testing is performed to check if the code contains errors whereas de- bugging is done to locate and fix these errors.