Microprocessor
In 8085 microprocessor , let the accumulator contains the value 0AH and register C contains the value 05H. After CMP C instruction is executed, the
zero flag will be set and carry flag will be reset
zero and carry flags will be reset
zero and carry flags will be set
zero flag will be reset and carry flag will be set
While the microprocessor is executing a program an interface circuit takes over control of address, data, control buses when not in use by microprocessor
Data transfer takes place between the I/O device and memory during every alternate clock cycle
The DMA control waiting for the microprocessor to finish execution of the program and then takes over the buses
DMA controller taking over the address, data and control buses while a block of data is transferred between memory and I/O device