MICROPROCESSOR AND MICROCONTROLLER

INTRODUCTION TO MICROPEOCESSOR

MODEL OF MICROPROCESSOR

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
It is used to write the data into the memory or the output device depending on the status of M/IO signal.
A
IR
B
HLDA
C
HR
D
WR
Explanation: 

Detailed explanation-1: -Explanation: WR : It stands for write signal and is available at pin 29. It is used to write the data into the memory or the output device depending on the status of M/IO signal.

Detailed explanation-2: -This signal is used to distinguish between memory and I/O operations. When it is high, it indicates I/O operation and when it is low indicates the memory operation. It is available at pin 28.

Detailed explanation-3: -Zero flag (ZF)-the zero flag is set(1) when the result of an arithmetic operation is zero.

There is 1 question to complete.