What Software Enables An Os To Communicate With Hardware
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What Software Enables An Os To Communicate With Hardware?
The device driver enables the Os to communicate with the hardware. Now, let us discuss the device driver in detail.
In the concept of computing, a device driver is like a computer program, which can operate and can control the particular types of devices that are attached to the computer.
The device driver has the ability to provide the software interface as to the hardware interfaces that can able to enable the operating systems.
It can also enable the other computer programs in order to access the software functions without any help of knowing the hardware which is being in use.
The device driver has the ability in which we can able to communicate with the devices through the computer bus or through the computer subsystems to which the hardware can able to connect
For suppose, when a program calls a routine in the driver, the driver will issue the commands to the device after the data is sent back to the driver, the driver can able to invoke us in the original calling program drivers.
The program drivers are nothing but hardware-dependent and the operating system. All these typically will provide the interrupt handling that can be required for many interests like the time-dependent hardware interface.
Let us take an example to understand this in detail. let’s take a high-level application that can able to interact with the serial port for simply has the two functions with it. They are sending the data and then the receiving of the data.
And at the lower-level device driver will implement the following functions, it can able to communicate with the particular serial port controller that can be installed on the user’s computer.
And when we come to the modem hardware and the operating system drivers, it can able to operate in various different environments.
The driver can able to interface with the printers, video adapters, network cards, sound cards, and the local buses of various sorts. It can also interface with the low bandwidth IO buses and the computer storage such as the hard disks, cd- ROMs, floppy disks.
In order to implement the support for many different files systems, the image scanners, digital images. The device driver is simply referred to as the driver and called a computer program that can able to controls any type of device.
In order to access the hardware function, the device drivers are getting used. The main advantage of the device drivers is, we do not need to know any details about the type of hardware that is being used by enabling the operating system and the other hardware resources.
The main purpose of the device driver is to simplify the program that we use. It will act as the translator. The users can able to write the code independently to the device. The programmers can able to write the code even irrespective of the device the end-users are using. The communication can be done through a system called the communication system or through the bus.