Device Management: Master Input/Output Device Control in Operating Systems

Question 1

In an operating system, what is the main purpose of a device driver?

Accepted Answer

To enable communication and data exchange between hardware devices and the operating system

Answer

To convert high-level programming language commands into executable machine code

Answer

To offer a user-friendly graphical interface for interacting with the operating system

Answer

To optimize the distribution of memory resources among various applications and processes

Question 2

Which of the following is the main purpose of a device driver?

Accepted Answer

To translate software requests into hardware commands

Answer

To control the flow of data between hardware and software

Answer

To manage how resources are allocated to hardware devices

Answer

To provide a user interface for interacting with hardware devices

Question 3

What is the primary reason for using an interrupt?

Accepted Answer

To signal the processor that a device requires attention

Answer

To pause the execution of a program until a device is ready

Answer

To transfer data between memory and a hardware device

Answer

To initialize a device and configure its settings

Question 4

What is a key function of a Plug and Play (PnP) system?

Accepted Answer

To automatically detect and configure new hardware

Answer

To provide a user-friendly interface for device management

Answer

To prevent conflicts between multiple devices

Answer

To optimize the performance of hardware devices

Question 5

Which of the following is not a primary function of a device driver?

Accepted Answer

Manages virtual memory and file systems

Answer

Translates software commands into hardware-specific instructions

Answer

Handles interrupts and manages data transfer

Answer

Provides an interface between the operating system and hardware devices

Question 6

Which of the following I/O techniques involves the movement of data between the CPU and a device without direct involvement of the CPU?

Accepted Answer

Direct memory access (DMA)

Answer

Programmed I/O

Answer

Interrupt-driven I/O

Answer

Polled I/O

Question 7

Which type of device typically requires the use of a specific driver to enable communication with the operating system?

Accepted Answer

Network interface card

Answer

Keyboard

Answer

Monitor

Answer

Printer

Question 8

Which of the following software components manages virtual devices in an operating system?

Accepted Answer

Hypervisor

Answer

Device emulator

Answer

Virtual machine manager

Answer

Device driver

Question 9

Identify the type of device that is used for text input:

Accepted Answer

Keyboard

Answer

Modem

Answer

Network card

Answer

Sound card

Question 10

Which Windows operating system utility is specifically designed for managing hardware devices?

Accepted Answer

Device Manager

Answer

System Configuration Utility

Answer

Computer Management Console

Answer

Task Manager

Question 11

What is the primary purpose of a device descriptor?

Accepted Answer

Provides information about the device's capabilities

Answer

Configures device settings

Answer

Loads the necessary device drivers

Answer

Initializes the device for use

Question 12

Identify the common type of input device used to enter text and commands:

Accepted Answer

Keyboard

Answer

Monitor

Answer

Printer

Answer

Hard disk drive

Question 13

What is the main function of a BIOS (Basic Input/Output System)?

Accepted Answer

To load the operating system into memory

Answer

To provide a software interface for hardware devices

Answer

To manage memory allocation and scheduling

Answer

To control data flow between devices

Question 14

Which of the following is not a responsibility of an operating system in managing devices?

Accepted Answer

Updating device firmware

Answer

Loading and initializing device drivers

Answer

Scheduling device access

Answer

Handling device interrupts

Question 15

What is the primary purpose of a device configuration file?

Accepted Answer

To store device-specific settings and configurations

Answer

To initialize and load device drivers

Answer

To manage device interrupts

Answer

To update device firmware

Question 16

To troubleshoot device driver issues in an operating system, which of these is a recommended step?

Accepted Answer

Revert to an earlier version of the driver

Accepted Answer

Seek assistance from the hardware manufacturer

Answer

Adjust registry settings for the device

Question 17

Which of the following is NOT a critical component of device management in an operating system?

Accepted Answer

Process scheduling

Answer

Device drivers

Answer

Device discovery

Answer

Interrupt handling

Question 18

What is the fundamental function of a device driver?

Accepted Answer

Provide a software interface between hardware and software

Answer

Manage memory allocation for devices

Answer

Handle user input and output operations

Answer

Control access to system resources

Question 19

Which I/O access method permits devices to directly access memory without CPU involvement?

Accepted Answer

Direct memory access

Answer

Programmed I/O

Answer

Interrupt-driven I/O

Answer

Polling

Question 20

What is the main purpose of an interrupt?

Accepted Answer

Signal the CPU that a device requires attention

Answer

Transfer data between devices

Answer

Synchronize processes

Answer

Handle exceptions

Question 21

Which device management technique periodically checks the status of devices for new data or events?

Accepted Answer

Polling

Answer

Interrupt handling

Answer

Direct memory access

Answer

DMA channels

Question 22

What is the function of a device tree in device management?

Accepted Answer

Describe the hardware configuration of a system

Answer

Load device drivers

Answer

Handle interrupt requests

Answer

Manage memory allocation