Device Management & Drivers

What is the responsibility of a device driver?

• Manage data transfer

• Handle user applications

• Process interrupts

• Control the operating system

What is the purpose of a device controller?

• Control the device driver

• Move data between peripheral devices and memory

• Manage user applications

• Interact with the operating system

What is the role of a DMA controller in I/O operations?

• Handle user applications

• Transfer data directly between I/O device and memory

• Manage device drivers

• Control device controllers

What does the device management part of the OS do?

• Track the state of devices and manage hardware devices

• Manage user applications

• Handle device controllers

• Control the device driver interface

What is the purpose of the Device Driver Interface?

• Control the operating system

• Interact with the device controller

• Manage differences between I/O devices

• Handle user applications

What does the Device Driver API provide access to?

• Device controllers

• User applications

• Hardware resources and services available in a system

• Operating system kernel

What is the Driver-Kernel Interface?

• Interface between user applications and device drivers

• Interface between device driver and device controller

• Interface between device controller and hardware

• Interface between device driver and operating system kernel

What is the purpose of the System Call Interface?

• Control the operating system

• Manage device drivers

• Provide the interface between applications and system resources through system calls

• Handle device controllers

What is the main function of a device driver?

• Interface a particular piece of hardware

• Manage user applications

• Control the operating system

• Handle device controllers

What is the role of the Device Driver API?

• Manage device drivers

• Handle device controllers

• Give a program access to hardware resources and services

• Control the operating system