$1.$Collection of $($interrelated$)$ computerized data$$ is $()$

$1)$ Database Management System

$2)$ Database

$3)$ Database system

$4)$ File system

$2.$ What is $$data dependency$$ in file system $()$

$1)$ Humans depend on data

$2)$ Data depends on program

$3)$ Program depends on data

$4)$ Data depend on other data