CIS 115

Lecture 3: Early Computing Machines

Abacus

Image Source: Wikipedia

Slide Rule

Image Source: Wikipedia

Pascaline

Image Source: Wikipedia

Leibniz Wheel

Image Source: Wikipedia

Jacquard Loom

Image Source: Wikipedia

Charles Babbage

Image Source: Wikipedia

Babbage's Autobiography

Image Source: Google Books

Difference Engine (1823)

Image Source: Computer History Museum

Analytical Engine

Image Source: Wikipedia

Compute Values - The Mill

Image Source: Wikipedia

Accept Input - Punch Cards

Image Source: Wikipedia

Store Data - The Store

Image Source: Wikipedia

Output Data - The Printer

Image Source: PCMag.com

Assignments

• Read and be prepared to discuss:
  • Pattern on the Stone Chapter 2: Universal Building Blocks
• Blog 1: Personal Biography - Due 9/8 10PM
• Scratch Cheat Sheet - Due TODAY

Blog 1: Personal Biography

Tell us a little about yourself. This is your chance to let us know who you are and what interests you. Some questions you can answer to get you started are below, but feel free to be as creative and expressive as possible introducing yourself.

• Where are you from?
• Why did you choose to come to Kansas State?
• What interests you about Computing Science?
• Do you have any hobbies?
• What is your family like?
• Have you had any interesting jobs or experiences?
• What do you want to do after you graduate?

Scratch Cheat Sheet

1. http://scratch.mit.edu
2. Download Starter File (Canvas)
3. Enter short descriptions for what each block does in the table. Make sure you test them so you know how they work
4. Submit completed sheet in class

Due: In Class TODAY