FORMALLY IT MEANS....
"the study, design, development, implementation, support or management of computer-based information systems, particularly software applications and computer hardware." In short, IT deals with the use of electronic computers and computer software to convert, store, protect, process, transmit and retrieve information, securely."information" = "data".
WE COULD SAY THAT NOWADAYS THEY HAVE CHANGE OUR WAY OF ACTING, THINKING, FEELING....... COULD WE RETURN BACK TO LIFE WITHOUT THEM??ARE WE GOING TO NEED THEM ALWAYS????