Answer Posted / ravi
During dma operation data tranfer takes place directly to
the peripheral devices,MPU releases the control of the
buses to the dma controler and two new signals are comes
into existence,(1)hold (2)hlda(hold acknowledge)
| Is This Answer Correct ? | 13 Yes | 2 No |
Post New Answer View All Answers
Explain about the classification of instruction operations
Define the architecture of the 8085 microprocessor?
Mention what is the difference between microprocessor and microcontroller?
What is meant by priority of interrupt?
What is special purpose registers in 8086?
List some analog modulation techniques.
What is 8051 microcontroller ?
Explain the flag register in the 8085 microprocessor?
Explain all the addressing modes of the 8085 with the help of examples.
What is the RST for the TRAP?
What is the function of ale and how does it works?
What is instruction cycle?
How subroutine can be called from the main program and how the program returns from the subroutine?
Explain memory mapped i/o and i/o mapped i/o schemes?
Mention interrupts pins of 8085?