Computer Science 220
Assembly Language & Computer Architecture

Fall 2010, Siena College

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Agenda

• Announcements
  • Lab 6 due tomorrow
  • Lab 7 due Tuesday at the start of class
  • Friday lab meets in RB 136 again this week
  • No lab meetings next week
• Exam 2 in one week
  • In class November 11
  • Closed book and closed notes, except one handwritten sheet of notes, 8.5 × 11, both sides
  • All digital logic topics from building gates from transistors up to today's topics will be covered
  • Practice exam questions out
  • Tuesday's class is review, and we will go over:
    • practice exam questions
    • Lab 7 written problems
    • the lecture assignment problems below (which you do not need to turn in)
    • any other examples you wish to review
• Building Memory
  • 1 ×4 memory device
  • 4 ×4 memory device
  • 4 ×8 memory device
  • 1024 ×8 memory device
• SIMM layout

Lecture Assignment 11

Due at the start of class, Tuesday, November 9.

You need not submit answers to these questions, but you will have a chance to ask questions about them at the start of class.

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.