Read The Effective Address
Step 3 is deciding which operation it is. If this is a Memory operation - in this step the computer checks if it's a direct or indirect memory operation:
- Direct memory instruction - Nothing is being done.
- Indirect memory instruction - The effective address is being read from the memory.
If this is a I/O or Register instruction - the computer checks its kind and execute the instruction.
Read more about this topic: Instruction Cycle
Famous quotes containing the words read the, read, effective and/or address:
“The oldest books are still only just out to those who have not read them.”
—Samuel Butler (1835–1902)
“The Citizens’ Protective League of Denver, founded to “squelch the knocking and blackmailing newspapers in our beautiful but benighted city,” demanded that no news story, editorial, or advertisement unfit for fifteen-year-olds to read should be published, ....”
—Administration in the State of Colo, U.S. public relief program (1935-1943)
“Relying on any one disciplinary approach—time-out, negotiation, tough love, the star system—puts the parenting team at risk. Why? Because children adapt to any method very quickly; today’s effective technique becomes tomorrow’s worn dance.”
—Ron Taffel (20th century)
“The English, the plain English, of the politest address of a gentleman to a lady is, “I am now, dear Madam, your humble servant: Pray be so good as to let me be your Lord and Master.””
—Samuel Richardson (1689–1761)