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Microprocessors - Engineering

Q1:

Assertion (A): In microprocessor 8085 instruction LXIB, 90 FF H means register B and C are loaded with upper and lower bytes to get B = 90 H and C = FFH. Reason (R): In 8085 the stack pointer indicates which memory location is to accessed.

A Both A and R are correct and R is correct explanation of A

B Both A and R are correct but R is not correct explanation of A

C A is correct R is wrong

D A is wrong R is correct

ANS:B - Both A and R are correct but R is not correct explanation of A

No answer description is available.