4.6.9 Practice Questions Device Driver Management

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You have installed a device in your system and have run the Add a device wizard from the Control Panel. Under what circumstance would it be appropriate to continue with the wizard if the device was not discovered?

The device does not support plug and play. Explanation If the legacy device is not detected, you need to select the files manually by continuing the wizard. All devices require a driver. USB devices are plug and play. To install a USB device, install the driver, and then connect the device. The device will be automatically detected and configured.

Most devices that you install in a system require little to no configuration; they simply work after you plug them in. This is because devices are automatically assigned the system resources needed for the device to begin functioning.

What are the three types of system resources that are usually automatically assigned?

I/O address, IRQ, DMA channel. Explanation The I/O address, IRQ, and DMA channel system resources are automatically assigned for most devices when they are plugged in. Device drivers are not system resources. Drivers are special programs the device needs to be able to communicate with the OS, and vice versa. Usually, device drivers should be downloaded and updated before installing a new device. Digital signatures are not system resources. They verify that the driver package is compatible with the operating system and that the program comes from a reputable source.

Device manufacturers are constantly finding bug, vulnerabilities, or better ways for their devices to communicate with the operating system, Because of this, what should you do before you install a new device?

Obtain the latest driver from the manufacturer’s website before installing the device. Explanation Obtain the latest driver before installation. Instead of using the driver included on the installation disc, check the manufacturer’s website for the latest driver.

As a member of the help desk administration team you’ve been assigned to update the driver for the network adapter that is installed on most of the machines in your department. You have a copy of the latest driver on a USB flash drive. Which Windows utility allow you to manually update this new driver?

Device Manager Explanation Device Manager allows you to view installed devices and their status, update drivers, disable or uninstall devices. From Network and Sharing Center you can view the status of your network and Internet connections, change or set up new connections or troubleshoot network problem. From Internet Properties you can configure general settings associated with your computer’s connection to the Internet. You can configure settings related to security, privacy, content, and several other types of settings. Driver manager is not Windows utility.

For which type of device will you typically install the driver before you connect the device to your system?

USB devices Explanation For USB devices, you will typically install the driver prior to connecting the device.

On a Linux system, what is the name of the directory where you will find a text file called devices that contains information about the devices that are configured on the system?

/proc Explanation The /proc directory is actually dynamically created whenever you access it. /proc contains the devices file that lists all the hardware devices that are configured in the system. /proc also contains the cpuinfo file with information about the processor installed in the system and the dma file which contains a list of DMA channel assignments.

Which of the following is true of most newer SATA drives?

Explanation Most newer SATA drives are hot swappable, which means. They can be added and removed without shutting down the computer. Windows automatically detects the device, configures a driver (if one is not already installed), and enables the device.

Allows two devices in a computer to send information to each other.

I/O address

The method used by different system devices to interact with the CPU.

IRQ (Interrupt Request)

Conduits used by high-speed devices to bypass the CPU and communicate directly with RAM.

DMA (Direct Memory Access)

Allows a device to request processing time from the CPU.

IRQ (Interrupt Request)

Each device in a computer must have its own.

I/O address

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