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 runners
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device drivers
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device instructors
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None of the above
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Detailed explanation-1: -Device drivers must receive advice from the operating system to access and execute device instructions. After completing the job, they transmit the hardware device’s output or message to the operating system. Devices such as modems, routers, speakers, keyboards, and printers require device drivers to operate.
Detailed explanation-2: -There are various types of device drivers for I/O devices such as keyboards, mice, CD/DVD drives, controllers, printers, graphics cards and ports.
Detailed explanation-3: -Purpose. The main purpose of device drivers is to provide abstraction by acting as a translator between a hardware device and the applications or operating systems that use it. Programmers can write higher-level application code independently of whatever specific hardware the end-user is using.