What is Operating System?

      An Operating System is a program that controls the execution of application programs and acts as an interface between the user of a computer and the computer hardware. In other words “The software that controls the hardware”. Some examples of operating systems are UNIX, Mach, MS-Dos, Ms-windows, Windows/NT, OS/2, MacOS, VMS, MUS and VM.      ...

What is Information ?

Information  can be defined as data that has been processed into a form that is meaningful to the recipient and is of real or perceived value in current of prospective decisions. orInformation refers to an input of data processing which is organized and meaningful to the person who receives it.In general, the planning information requirements of executives can be categorized into three broad...

What is Information Technology?

Definitions of Information technology (IT)It is a branch of engineering dealing with the use of computers and telecommunications equipment to store, retrieve, transmit and manipulate data. The term is commonly used as a synonym for computers and computer networks, but it also encompasses other information distribution technologies such as television and telephones.Information is s vital...