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Input/Output Services:
Every operating system, large or small, provides input/output services for each device in the system. The operating system includes I/O device driver programs for each device installed on the system. These drivers provide services to the file management system and are also available, through the API, to other programs for their use. The I/O device drivers accept I/O requests and perform the actual data transfers between the hardware and specified areas of memory.
Devices drivers for newly installed devices are added and integrated into the operating systems. In Windows, this capability is known as plug-and-play.
On-line and Realtime Systems An on-line system means that input and output devices are directly connected to the CPU irrespective of geographical location. Thus the user can di
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Input and Output device: After having understood the characteristics relating to CPU and storage media, let us try to learn about I/O aspects of a computer system. Input /outp
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