Microprocessor
The data bus of any microprocessor is always

 Either unidirectional or bi-directional
 Bi-directional
 None
 Unidirectional

ANSWER DOWNLOAD EXAMIANS APP

Microprocessor
Ready pin of microprocessor is used

 to indicate that microprocessor is ready to receive inputs
 to indicate that microprocessor is ready to receive outputs
 to provide direct memory access
 to introduce wait state

ANSWER DOWNLOAD EXAMIANS APP