1. History of Computing
Dr. Lejk
ITCS 3688
25 May 2019

2. Pre-Modern Era Egypt : Abacus : 2200 B.C.
France : Calculator + - : Late 17th Century
Germany : Calculator + - * / : Early 18th Century
France : Weaving Loom : Early 19th Century
Great Britain : Difference & Analytical Engines : Mid 19th Century
US : Tabulating Machines : Late 19th Century

3. Modern Era US : Burroughs : 1st mass produced adding machine
Harvard : Mark 1
U of PA : ENIAC
Princeton : Computer Architecture
England : Colossus

4. Computer Generations Dates Hardware Software
1st Vacuum tubes Machine Languages
2nd Transistors & Core Symbolic Languages
3rd Integrated Circuits Compilers & OS
4th ? LSI & VLSI HOL Languages
5th ??????????????????????????????????????????????????????

5. Industry Make-up IBM & Seven Dwarfs :
- DEC, NCR, Sperry, Burroughs, CDC, HP, Honeywell
- System 360
- Lawsuits

6. Lawsuits Justice Dept. Anti-trust Suit 1956 :
a. IBM - Monopolistic marketing
b. IBM Concessions
2. CDC Sues IBM 1968:
a. Unfair competition
b. IBM Concessions
3. Threat of Anti-trust Suit 1969:
a. IBM Concessions

7. Lawsuits (Con’t.) 4. Anti-trust Suit Filed 1969:
- Dropped after 13 years
5. Telex sues IBM 1972:
a. IBM counter sues
b. Both win & lose

8. Issues Dominance of one company Unionization International Competition
Off-shoring