CMPS 002 - Computer Literacy

Prof. Paulo Franca

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Inventing the Future

- Univac

  • - No competition
  • - Why did they fail?
  • - Could they sell to DOD?

- Remington Rand

  • - How did Univac became famous?
  • - Can a computer know something humans don't?

- What did IBM do when Univacs were sold?

- After deciding to get into the market, why did IBM get ahead?

  • - better product?
  • - better price?
  • - better sales and service?
  • - fit into existing reality
  • - facts of the time: computers were sold with 2K memory positions!

Vacuum Tubes 1st generation

  • - Big
  • - Heat
  • - Power
  • - Burn easily
  • - computer memory: 2 K

Transistors 2nd generation

  • - smaller
  • - less heat
  • - less energy
  • - hardly burn
  • - computer memory: 16k

Integrated Circuits 3rd Generation

  • - required new design techniques
  • - more expensive
  • - cheap if mass produced
  • - much smaller
  • - way less energy
  • - computer memory 16k - 32K - 64K - 256K - 512 K (1970's)

How did IC's become popular?

Why was a computer needed on board?

How did the Russians do?

Until the 1980's computers were still expensive and difficult to use