1. Welcome to IT Applications & Software Development 2008 Sunbury Downs College

2. 1937 war is feared. The rush is on to develop an electric computer to calculate flight trajectories for gun shells and bombs.

3. 1937 war is feared. The rush is on to develop an electric computer to calculate flight trajectories for gun shells and bombs.

4. 1937 war is feared. The rush is on to develop an electric computer to calculate flight trajectories for gun shells and bombs.

5. 1937 war is feared. The rush is on to develop an electric computer to calculate flight trajectories for gun shells and bombs.

6. 1937 war is feared. The rush is on to develop an electric computer to calculate flight trajectories for gun shells and bombs.

7. 1937 war is feared. The rush is on to develop an electric computer to calculate flight trajectories for gun shells and bombs.

8. 1937 war is feared. The rush is on to develop an electric computer to calculate flight trajectories for gun shells and bombs.

9. 1937 war is feared. The rush is on to develop an electric computer to calculate flight trajectories for gun shells and bombs.

10. 1937 war is feared. The rush is on to develop an electric computer to calculate flight trajectories for gun shells and bombs.

11. 1937 war is feared. The rush is on to develop an electric computer to calculate flight trajectories for gun shells and bombs.

12. 1937 war is feared. The rush is on to develop an electric computer to calculate flight trajectories for gun shells and bombs. Why? It took the computers (female workers) three days to compute the trajectory of a shell that took 30 seconds to get to its target.

13. 1944-1945 The first computers are working ENIAC in the USA (Eckert & Mauchly) ENIAC in the USA (Eckert & Mauchly) Colossus in England (Alan Turing) Colossus in England (Alan Turing) CSIRAC in Australia (CSIRO) CSIRAC in Australia (CSIRO) ENIAC did the trajectory calculation in 5 seconds See it at Scienceworks!

14. ENIAC Hardware People Software – program Ergonomic workstation? Healthy, safe work environment?

15. Computers are simple Based on switches that control the flow of electricity – electrons to be precise. Switch on – electricity flows Switch on – electricity flows Switch off – no electricity flow Switch off – no electricity flow On/off, yes/no, true/false, 1/0  binary number system used off,on,on,off,off  6 = 00110 on,on,off,on,on  27 = 11011 This is machine code- what the computer understands

16. switches

17. Assembly language -Some words eg ADD, SUB, MUL, DVD Assembler converts to machine code High level Programming languages FORTRAN –scientific equations COBOL – business words BASIC – general purpose Easier to write instructions. Compiled (translated) into machine language First DEO Data entry operator

18. 1952 “There may be a world market for five computers” CEO of IBM

20. The transistor arrives! 1947 – production late 50s Brattain, Bardeen, Shockley

21. transistor switch bus An I.C. Chips!

22. The prediction was wrong or was it fair dinkum?

23. Joke Joyce! Shows how easily you can fool people Shows how easily you can fool people Another example,

25. Computer ethics use a computer to harm others use a computer to harm others interfere with other people’s computer work interfere with other people’s computer work snoop around in other people’s files snoop around in other people’s files use a computer to steal use a computer to steal Don’t

26. Computer ethics use a computer to bear false witness use a computer to bear false witness copy or use proprietary software you haven’t paid for copy or use proprietary software you haven’t paid for use other people’s computer resources without authorisation use other people’s computer resources without authorisation take others’ intellectual output take others’ intellectual output Don’t

27. Computer ethics think about the social consequences of the program you are writing or the system you are designing think about the social consequences of the program you are writing or the system you are designing Always ensure consideration and respect for your fellow humans Always ensure consideration and respect for your fellow humans Do

28. And re AI and robots Asimov’s laws A robot may not injure a human or, through inaction, allow a human to be harmed A robot may not injure a human or, through inaction, allow a human to be harmed A robot must obey the orders of humans except where they conflict with 1 st law A robot must obey the orders of humans except where they conflict with 1 st law A robot must protect its own existence so long as this doesn’t conflict with 1 st and 2 nd laws A robot must protect its own existence so long as this doesn’t conflict with 1 st and 2 nd laws

29. VCE IT Robots, AI, big computers, desktops, laptops, palmtops, mobile phones are all parts of information systems Robots, AI, big computers, desktops, laptops, palmtops, mobile phones are all parts of information systems All require programs & applications to make them useful All require programs & applications to make them useful These studies are about IS, applications and programming. These studies are about IS, applications and programming. They’re challenging and great fun! They’re challenging and great fun!

30. to the future smart mobile phones  computers in a pocket wearable computers PDAs, phones, cameras in one package smart clothes – wearing computers

31. interplanetary communications?

32. Lots of IT problems to solve on Earth