a) Polling b) Inspection c) Reviewing d) Echoing Answer: a Explanation: The ...
View QuestionThe method which offers higher speeds of I/O transfers is ___________
a) Interrupts b) Memory mapping c) Program-controlled I/O d) DMA Answer: d Explanation: ...
View QuestionThe method of synchronising the processor with the I/O device in which the device sends a signal when it is ready is?
a) Exceptions b) Signal handling c) Interrupts d) DMA Answer: c Explanation: This is a ...
View QuestionThe method of accessing the I/O devices by repeatedly checking the status flags is ___________
a) Program-controlled I/O b) Memory-mapped I/O c) I/O mapped d) None of the mentioned
View QuestionTo overcome the lag in the operating speeds of the I/O device and the processor we use ___________
a) BUffer spaces b) Status flags c) Interrupt signals ...
View QuestionThe system is notified of a read or write operation by ___________
a) Appending an extra bit of the address b) Enabling the read or write bits of ...
View QuestionThe advantage of I/O mapped devices to memory mapped is ___________
a) The former offers faster transfer of data b) The devices connected using I/O mapping ...
View QuestionIn intel’s IA-32 architecture there is a separate 16 bit address space for the I/O devices.
a) false b) true Answer: b Explanation: This type of access is called as I/O mapped devices.
View QuestionThe usual BUS structure used to connect the I/O devices is ___________
a) Star BUS structure b) Multiple BUS structure c) Single BUS structure d) Node ...
View QuestionIn memory-mapped I/O ____________
a) The I/O devices and the memory share the same address space b) The I/O devices ...
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