COMPUTER FUNDAMENTALS

INTRODUCTION TO COMPUTERS

COMPUTER SYSTEMS AND COMPONENTS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is the purpose of a device driver?
A
to drive the CPU
B
allows the operating system to communicate with hardware components
C
allows the operating system to open applications
D
allows the operating system to perform multiple tasks at once
Explanation: 

Detailed explanation-1: -Device drivers are necessary to permit a computer to interface and interact with specific devices. They define the messages and mechanisms whereby the computer–the OS and applications–can access the device or make requests for the device to fulfill.

Detailed explanation-2: -Drivers. In order for the operating system to talk to your hardware, it needs drivers. Drivers teach the operating system to interact with each bit of hardware. Graphics cards, sound cards, networking cards, USB peripherals, and everything else you connect to your computer relies on drivers.

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