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
What are the different functional units in 8086?
why 8085 processor is called an 8 bit processor?
What is the position of the stack pointer after the pop instruction?
What are the different types of addressing modes?
What are the sources of an interrupt?
What is the purpose of Program Counter in a Micro - Processor?
What are Pseudo instructions basically?
The interrupt response time is determined by?
The input/output signals are related to which pins?
What happens when reset in(low) signal goes low?
Can port 0 be used as input output port?
What was is the primary usage of a 8085 microprocessor?
Explain the different modes of operations of the 8086?
What is the width of data bus?
Explain the architecture of 8051 microcontroller ?