Q. When the instruction, FDIV is performed, the destination is

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Q. When the instruction, FPREM, is performed, the data stored on to the stack top is

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Q. If ‘x’ is the value stored at the top of the stack, then the instruction F2XMI calculates the expression

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Q. The content of the stack is compared with zero to check whether the content is zero, using the instruction

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Q. The instruction that loads log 10 (to the base 2) to stack top is

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Q. The instructions that are used to program the numeric processor or to handle the internal housekeeping functions are

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Q. When the instruction FINIT performs its function, then the TAG status is

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Q. The instruction that enables the interrupt structure and response mechanism is

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Q. The instruction that is used to store the environment of the coprocessor to a destination memory location is

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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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