VB.net Array

Array is a collection of similar data type which occupies continuous location on memory.

Dim ar(4) As Integer

        For i = 0 To 4

            Console.Write("Enter {0} 'st number>> ", i + 1)

            ar(i) = Val(Console.ReadLine())

        Next

        For i = 0 To 4

            Console.Write(" {0},", ar(i))

Reverse Number Triangle C Langauge

/*   ################################

     Girfa Student Help

     Reverse Number Trianle

     for more visit : http://girfahelp.blogspot.in/p/c-language.html

     ################################

*/

Number Triangle C Language

/*   ################################

     Girfa Student Help

     Number Trianle

     for more visit : http://girfahelp.blogspot.in/p/c-language.html

     ################################

Function of Operating System

NIELIT O Level Solve Paper
IT Tools and Business Application

Q5 B) Explain the functions of Operating Systems.

Solution : 

Operating system provide interface between user and computer. An operating system (OS) is system software that manages computer hardware and software resources and provides common services for computer programs. All computer programs, excluding firmware,driver, require an operating system to function.