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Computers: A bit of background

Computers: A bit of background. CSA 105 Software Applications 1.0 September 2, 2010. Who came up with the idea?. Charles Babbage – Analytical Engine – 1835. What was the first “real” computer?. The ENIAC – Electronic Numerical Integrator and Computer – February 1946.

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Computers: A bit of background

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  1. Computers: A bit of background CSA 105 Software Applications 1.0 September 2, 2010

  2. Who came up with the idea? • Charles Babbage – Analytical Engine – 1835

  3. What was the first “real” computer? • The ENIAC – Electronic Numerical Integrator and Computer – February 1946

  4. What was the first popular home computer? 1977 - Apple II 1981 - IBM PC

  5. Analogue vs. Digital • Humans are analogue • Computers are digital

  6. Binary Computers use only two states to store data On – 1 Off – 0 Binary number systems used to represent those two states

  7. Bits & Bytes • A bit (binary digit) is a single digit (0, 1) • A byte is eight bits

  8. ASCII Code A way of using binary patterns to represent the alphabet

  9. Data vs. Information

  10. What can computers do?

  11. Where are computers found? Everywhere

  12. Types of computers Super Computers Mainframe computers

  13. Types of computers Workstations Desktop Computers

  14. Types of computers Laptop Computers Tablets

  15. Types of computers Smart Phones Embedded Computers

  16. Types of Computers • Game computers

  17. Why did computers become so popular? Graphical User Interface The Internet

  18. How has computer technology effected the following? • Business • Medicine • Education • Politics • Government • Law enforcement • Communications • Entertainment • Infrastructure

  19. Is all compute technology good? • Internet addiction • Malware • Worms, viruses, trojans • Cyber crime • Financial crimes, identity theft, phishing • Obscenity & pornography • Cyber spying, espionage • Cyber stalking, cyber bullying • Isolation, loss of sense of community • Loss of privacy

  20. How will computer technology effect you? • In your education? • Five years from now in your chosen career? • In your personal life?

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