Computer Science 324 Computer Architecture Mount Holyoke College Fall 2007

Agenda

• Announcements
  • Graphics talk by Bob Weaver, right after our class meeting. Pizza in Clapp 416, talk in Clapp 402. Title: Transformations in Computer Graphics.
  • CS lunch tomorrow, 12:15
• Scheduling for the second exam
  • proposed timeframe: Mon 11/5-Wed 11/7
  • 48-hour take home
  • any known major conflicts?
• Lab 4 continues
  • I hope to have more flexible wires in the lab today
  • demos and submissions by 4:00 Thursday
• Lab 5 out
  • the most complex circuit we'll build this semester
  • at least part of Monday's class will be spent in the lab
  • at least come up with a plan before Monday - what chips you'll need and a basic outline of the circuit
• More counters
  • UP/DOWN counters
  • counter skew

    

  • synchronous counters
• Building memory
  • tristate buffers
  • buses and bus drivers
  • the 2114 chip
  • 4 ×1 memory device
  • 4 ×4 memory device

Lecture Assignment

Due at the start of class, Monday, October 22.

Turn in a short answers to the questions below. Please turn in a hard copy (typeset or handwritten are OK). We will discuss these questions during class, so no late submissions are accepted.

No new readings for next time.

1. Implement a 1 ×4 memory using D-type flip flops as building blocks.
2. Implement a 4 ×4 memory using the 1 ×4 memory from the previous question as building blocks.