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  1. gandalf

    Flip Flops

    Well, I could tell you the answer, but why dont you put the diagram into the java applet whose link I gave you above and find out for your self. ;-) (Doesn't that just sound like a teacher ?!?!)
  2. gandalf

    Flip Flops

    ummm ... errr .... I dont have that book, so I can't tell from here ... perhaps if you hold it up to the screen .... *smiles*
  3. gandalf

    Flip Flops

    Flip flops will make more sense if you actually build one. This link has a java applet which allows you to build circuit diagrams online. you can then "run" them to see what happens. When you build your flip flop, you should find that when the power is initially off, there will be no...
  4. gandalf

    IPT QUestion

    Like many many many multiple choice questions around, this one is badly worded, written by people who either dont actually know what they're talking about, or were in too big a hurry to get the test written to check the questions properly. The problem arises from the term "access". The access...
  5. gandalf

    Primary Key

    A primary key is an individual identify for each record within a table. Consider a database of HSC students within NSW. The state (ie NSW) could have two students with the same name John Smith. The database will include a field (usually called Student ID or your HSC candidate number) which is...
  6. gandalf

    Transactions that Distinguish between Integiry and validation!! HELP!!

    I'll have ago ... Consider the familiar transaction of a can of beans being scanned at the supermarket. The barcode on the can has a series of numbers which represent the product. As the barcode is scanned these number are entered into the system. One of the numbers on the barcode (usually the...
  7. gandalf

    Communication systems

    XModem Z modem protocols - summary Hi, You may want to have a look at my notes at www.muirfield.nsw.edu.au Follow the link to IPT - HSC Course - Communications Systems - Characteristics of communication - characteristics of communications systems. Right at the bottom of the page I have...
  8. gandalf

    Question

    Option Topic Question Yep, Its the option called "Programmers view of hardware".
  9. gandalf

    School / Subject

    Re: Nice !!! Dont suppose you plan on open-sourcing it. Ive been using phpnuke for a student site on our school intranet ... its ok, but this is pretty sharp - clean interface.
  10. gandalf

    School / Subject

    VET Information TEchnology ?? Hey, Nice site .... You using phpnuke, or something you dreamed up yourself ? By the way, you dont seem to have a section for VET Information Technology, I was wondering if you could create one. Gandalf
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