Q. If the opcode bit is D=1, then the source and destination operands are

View solution

Q. Which of the following is not a data transfer instruction?

View solution

Q. The instruction that performs real or integer multiplication of the specified operand with stack top is

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution

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

View solution