Micro processor questions from kerala PSC

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

Microprocessor