Question

The 8085 instruction cycle consists of one of the 5 machine cycles the first machine of each instruction cycle is always _____________ machine cycle

Answer 1

Answer:

The first machine cycle of an instruction is always fetch cycle. Using tristate buffer, more than one device can transmit information over the data bus by enabling only one device at a time. Fetch, Execute, Decode and Read effective address. Read effective address, Decode, Fetch and Execute.