Q. The instruction that loads the AH register with the lower byte of the flag register is

View solution

Q. The instruction that pushes the flag register on to the stack is

View solution

Q. The instruction that loads the flag register completely from the word contents of the memory location is

View solution

Q. The instruction that adds immediate data/contents of memory location specified in an instruction/register to the contents of another register/memory location is

View solution

Q. The instruction that supports addition when carry exists is

View solution

Q. The instruction, “INC” increases the contents of the specified register or memory location by

View solution

Q. The instruction that subtracts 1 from the contents of the specified register/memory location is

View solution

Q. The instruction that enables subtraction with borrow is

View solution

Q. The flag that acts as Borrow flag in the instruction, SBB is

View solution

Q. In general, the source operand of an instruction can be

View solution

Q. In general, the destination operand of an instructon can be

View solution

Q. The instruction, CMP to compare source and destination operands it performs

View solution

Q. During comparison operation, the result of comparing or subtraction is stored in

View solution

Q. The instruction that converts the result in an unpacked decimal digits is

View solution

Q. If MN/MX is low the 8086 operates in __________ mode.

View solution

Q. A _____ Instruction at the end of interrupt service program takes the execution back to the interrupted
program.

View solution

Q. Which family was the sixth member of 8086 family of microprocessors?

View solution

Q. ALE stands for ___________.

View solution

Q. 8086 microprocessor is interfaced to 8253 a programmable interval timer. The maximum number by which the clock frequency on one of the timers is divided by ________________.

View solution

Q. 8086 is interfaced to two 8259s (Programmable interrupt controllers). If 8259s are in master slave
configuration the number of interrupts available to the 8086 microprocessor is _____________.

View solution