Data transfer takes place between 8086 microprocessor and I/O devices via which register?

Question 1.0 point possible (graded, results hidden) Data transfer takes place between 8086 microprocessor and I/O devices via which register ? AX BX O cx ODX Submit You have used 0 of 1 attempt Save Question 1.0 point possible (graded, results hidden) "IN AX, BX" if this instruction is executed then which of the following statements are true | Direct format of data transfer 16 bit is used for port address Variable address method Addresses appear in ADO-AD15 Addresses appear in ADO-AD7 Question 1.0 point possible (graded, results hidden) Which of the following are bi-directional pins? EOP MEMR BHE IOR IOW Submit You have used 0 of 1 attempt Save Question 1.0 point possible (graded, results hidden) Given the second last memory location of a segment is FFFEEh. What is the base address of this segment? EFFF0 h FFFE1 h COEFFF h OFFFEO Question 1.0 point possible (graded, results hidden) Assuming interrupt inputs are unmasked, a keyboard is connected to the IR1 pin of an 8259A. Similarly, a mouse is connected to IR4 and a monitor to IR6. If all of them raise interrupts together, who will be serviced first? IR1 CIR4 IRO Will service them sequentially Submit You have used 0 of 1 attempt Save Question 1.0 point possible (graded, results hidden) Which of the following instructions are valid? MOV DS, 1234h MOV AX, F9h U PUSH DX PUSH AH POP BX Question 1.0 point possible (graded, results hidden) Each 8086 instruction can take operand(s). 0 2 3 None of the above Submit You have used 0 of 1 attempt Save Question 1.0 point possible (graded, results hidden) If an 8086 is running at a frequency of 25MHz, then what is the time for 5 consecutive clock pulses? 0.2 ns O2 ns 20 ns 200ns Question 1.0 point possible graded, results hidden) If an 8086 is running at a frequency of 45MHz, then what is the time for 6 consecutive clock pulses? ( 133 ns 1.33 ns 13.3 ns 0.133ns Submit You have used 0 of 1 attempt Save Question 1.0 point possible (graded, results hidden) How many bus cycles are needed to the instruction MOV AX, [54321 H]? O2 0 0 0 $ 03 4