29. Which interrupt establishes a priority over the various sources to determine which request should be entertained first ?
D.All of above
30. Which technique is used that identifies the highest priority resource by means of software ?
31. Which method is used to establish priority by serially connecting all devices that request an interrupt ?
32. What is meaning of "VAD" ?
33. What is meaning of DMAC ?
A.Dual memory access controller
B.Direct memory access controller
C.Direct memory access computer
D.Direct memory accumulator controller
34. What is meaning of IOP ?
A.Input output processor
B.Input output product
C.Input output producer
D.Input output processing
35. Which refers the execution of various software process concurrently ?
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