Section 5.9
Review Questions

Operation of RAM

  1. Below is a memory made up of flip-flops. It consists of several 3-bit words. Circle the three flip-flops that make up one word... any word, but they must be the same word.
answer...
  1. Now identify the word select wires, either by a colored pen or by labeling them.
answer...
  1. Which wire must have 1 on it before anything happens, reading or writing?
answer...
MA (memory active)
  1. What value must be on what wire before memory is changed?
answer...
WR (write)
  1. Fill in the blanks: AND gates _________________ signals while OR gates ________________ signals.
               collect                 filter
answer...
AND gates filter signals while OR gates collect signals.