Electronics and Communication Engineering - Microprocessors - Discussion

Discussion Forum : Microprocessors - Section 4 (Q.No. 1)

Microprocessors

Assertion (A): In 8085 WR and RD signals are active high.

Reason (R): LOW WR means write operation and low RD means read operation.

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

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

A is correct R is wrong

A is wrong R is correct

Answer: Option

Explanation:

WR and RD are active low.

Discussion:

2 comments Page 1 of 1.

RISHI NIGAM said: 3 years ago

Only A is correct these are used as status signals when we write by I/O and memory WR/RD.

Nari said: 5 years ago

I think potion A is correct.

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