Describe why you might want to write a script vs. a C program. Describe two example...

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Describe why you might want to write a script vs. a C program. Describe two example...

Describe why you might want to write a script vs. a C program. Describe two example situations that illustrate your answer, one each for script and C.

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Answer 1

Answer #1

In context of programming,There are 3 types of translators.

1)Interpreter

2)Compiler

3)assembler

The explanation can be given with the help of following example:

script is translated by interpreter, for example, in a web page java script is translated by the interpreter,

and this interpreter is available on web browser.

java script is executed on client side.

if there is a need to write a logic, which is to be executed on web page(on client side).then C program can not work.

java script will be used to write a logic, which is to be executed on web page(on client side).

following code is a combination of java script and HTML,which is being used to determine whether a number is EVEN or ODD,

on web page(on client side).

the code given below will be translated by the interpreter.

code

<HTML>
<HEAD>
<TITLE> New Document </TITLE>
<script type="text/javascript">
function test()
{
   var a=prompt("Enter a no.");
   if(a%2==0)
   {
       document.write("<body bgcolor='yellow'>");
       document.write("<h1>Even Number</h1>");
   }
   else
   {
       document.write("<body bgcolor='gray'>");
       document.write("<h1>Odd Number</h1>");
   }
}
</script>
</HEAD>
<BODY onLoad="test()">
</BODY>
</HTML>

if the same login is required on local computer's console the C program should be used, and source code will be compiled.

C code to determine whether a number is EVEN or ODD

#include<stdio.h>
int main()
{int num;
   printf("Enter a number");
   scanf("%d",&num);
   if (num%2==0)
   {
       printf("\n Number is EVEN");

   }
   else
   {
           printf("\n Number is Odd");
   }
return 0;
}

Example 2

JavaScript provides a library "Pebble JS".

Now a days this library is being used in smartwatch applications.

Example 3:

Node JS can also be used to program flying Robots.

Application Area of C

1) Operating System:- There is C programming behind UNIX operating system .

2) High speed:- C can be used where high speed of execution is required.

3) Embedded System:- C is being used in Embedded systems.

Summary

script is translated by the interpreter.

java script is used to produce output on web browser

C program is translated by the compiler .

C program is used to produce output on local Computer's console.

Java script should be used for web pages/ mobile devices.

C should be used where high speed of execution is required.

script is translated by interpreter

C program is translated by compiler.

interpreter translates line by line.

Compiler translate entire code in a single attempt and reports all the errors(if any) in a single attempt

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