Microprocessor

Pin 21 of 80806 microprocessor is used for the signal (KPSC SYSTEM ANALYST 2018) A)READY B)ALE C)RESET D) QS1 Ans is : RESET OPTION C 2.mov a1,[bx] which addressing mode does this instruction use? (KPSC SYSTEM ANALYST 2016) A)      Register indirect B)       Base index C)       Base index plus displacement D)      Register Ans is: Register indirect Option A 3. Speed of Microprocessor is determined by (KPSC SYSTEM ANALYST 2016) 1.        Address bus width 2.        Data bus width 3.        Clock 4.        None of the above Ans is Clock