A(n) __________ system is a computer program that manages the complete operation of your computer or mobile device and lets you interact with it.

A) operating
B) application
C) indexed
D) baseline

Operating System

Software that, after being initially loaded into the computer by a boot program, manages all the other programs in a computer.

Mobile Device

A portable computing device such as a smartphone or tablet that has wireless internet capabilities and various software applications.

Computer Program

A set of instructions written in a programming language that is executed by a computer to perform a specific task or solve problems.