Q. The instruction that is the NOP instruction of the coprocessor is

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Q. The 8089 shares the system bus and memory with the host CPU in

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Q. The 8089 communicates with the host CPU using bus arbiter and controller in

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Q. The number of address lines used by the I/O processor in 8089 is

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Q. The IO device that can be interfaced with 8089 is

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Q. In the 8089 architecture, the address of memory table for channel-2 is calculated by

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Q. Which of the following is not a general purpose register of 8089?

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Q. The registers that are used as source and destination pointers during DMA operations are

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Q. The pin that is used for data transfer control and operation termination signals is

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Q. The pin that is used to inform the CPU that the previous operation is completed is

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Q. The current channel status of program status word contains

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Q. Which of the following is an incorporated function to resolve interprocessor communication problems?

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Q. The device that deals with the bus access control functions and bus handshake activities is

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Q. The clock generator delays the READY signal until the signal _________ goes low.

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Q. The bus controller relinquishes the bus if

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Q. The signals that are used by the bus arbitration in the independent request method is

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Q. The signal that is used to drive a priority resolving network that actually accepts the bus request inputs is

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Q. Which of the following is the simplest and cheapest method of bus arbitration?

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Q. The method of bus arbitration that does not contain priority resolving network in it is

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Q. Which of the following is the fastest method of bus arbitration?

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