a) 4 b) 2 c) 3 d) 1 Answer: c Explanation: The ...
View QuestionAfter the completion of the DMA transfer, the processor is notified by __________
a) Acknowledge signal b) Interrupt signal c) WMFC signal d) None of the mentioned
View QuestionIn DMA transfers, the required signals and addresses are given by the __________
a) Processor b) Device drivers c) DMA controllers d) The program itself Answer: c Explanation: ...
View QuestionThe DMA transfers are performed by a control circuit called as __________
a) Device interface b) DMA controller c) Data controller d) Overlooker Answer: b Explanation: ...
View QuestionThe DMA differs from the interrupt mode by __________
a) The involvement of the processor for the operation b) The method ...
View QuestionHow is a privilege exception dealt with?
a) The program is halted and the system switches into supervisor mode and restarts the program ...
View QuestionA privilege exception is raised __________
a) When a process tries to change the mode of the system b) When a process ...
View QuestionThe instructions which can be run only supervisor mode are?
a) Non-privileged instructions b) System instructions c) Privileged instructions d) Exception instructions Answer: c Explanation: These instructions ...
View QuestionWhat are the different modes of operation of a computer?
a) User and System mode b) User and Supervisor mode c) Supervisor and ...
View QuestionWhat is the operation in Breakpoint mode?
a) The program is interrupted after each detection b) The program will not be stopped and ...
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