COMPUTER SCIENCE AND ENGINEERING
OPERATING SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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device driver
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BIOS
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CMOS
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Application Program Interface
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Detailed explanation-1: -A device driver communicates with the computer hardware by computer subsystem or computer bus connected to the hardware.
Detailed explanation-2: -Device driver – a software program that is designed to control a particular hardware device that is attached to a computer. The main purpose of device driver – it acts as a translator between the hardware device and operating systems or applications that use it.
Detailed explanation-3: -A driver communicates with the device through the computer bus or communications subsystem to which the hardware connects. When a calling program invokes a routine in the driver, the driver issues commands to the device (drives it).
Detailed explanation-4: -A device driver is a specialized software that operates a particular computer-connected device-offering a software interface to the hardware allows operating systems and other computer applications to access hardware functionalities.
Detailed explanation-5: -Generally a driver communicates with the device through the computer bus which is used to connect the device with the computer. Device drivers works within the kernel layer of the operating system. Kernel is the part of the operating system that directly interacts with the physical structure of the system.