railway RRB Technician Grade 1 Mock Test 2024 Mechatronics and Robotics Microprocessors and Microcontrollers
Consider the following statements.
1. Data bus is responsible for the exchange of information between the main memory and microprocessor.
2. Control bus tells whether read or write, which operation should be performed
3. Address bus is a bi-directional bus.
Which of the following statements are true?
1
1 only
2
1 and 2 only
3
2 and 3 only
4
1,2 and 3