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what are the function of the following?
1.i/o traffic controller
2.i/o device handler
3.i/o scheduler
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Answer Posted / shyam kapse
Followings are functions of the above described operating
system modules,
1. i/o Traffic Controller: Keeps track of status of all
devices, control units and channels.
2.i/o Device Handler: Perfroms the actual dynamic
allocation , once the i/o scheduler has made the decission,
by constructing the program, issuing the start i/o
instruction and processing the device interrupts. these is
usually seperate device handler for each type of device.
3. i/o scheduler: As the name indicates it just implements
the scheduling algorithm used to allocate channel, control
unit and device access, to complete i/o request of a job
| Is This Answer Correct ? | 25 Yes | 11 No |
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