Question

User programs interact with I/O devices through ?
A. Operating System
B. Hardware
C. Buses
D. Processor

Answer 1

Option A) operating system

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Answer 2

User programs interact with I/O devices through Operating System.

About purpose of Operating system (OS) :

• Its operating system (OS) is a piece of software that connects a computer's hardware and its user. An operating system manages software that controls all of the basic functions of a computer, such as file and memory management.

• The functions offered because of an operating system assist both users and programs. It provides a running environment for programs. It allows users to launch programs more quickly and easily.