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  1. crammy90

    2003 hsc

    with 21 d ii do we assume that its a sequential file with random access? and are sequential files with sequential access still indexed?
  2. crammy90

    well well well

    well i think UNZPME will need to come on here after and post his mark just to confirm :P
  3. crammy90

    well well well

    yeh its pretty bad i think but if u get over 90 i mean say it went to 85 thats still 85...
  4. crammy90

    well well well

    oh nice man i wrote like 3 pages for that aha i wrote for actificial valves - teflon - pyrolytic carbon and for pacemakers - titanium (casing) - polypropylene - silicone - platinum i just did that before i went in exams thismorning was really weird aye... for the fibre optics i focussed on what...
  5. crammy90

    well well well

    tis the end of this lovely course tomorrow any1 done all papers? ive done 2001-3 good luck
  6. crammy90

    Past exam + syllabus

    nice man did u do the answers yourself or use success 1 book?
  7. crammy90

    Reliability

    can we say we could increase reliability by trying an entirely different approach to the experimental design (i.e. a new experiment) and if we get the same trends in reulst they are more reliable? or is it only doing it more times?
  8. crammy90

    Acidic conditions and rusting

    anode: Fe-->Fe2+ + 2e- cathode: 2h+ + 2e- ---> H2 0.00V overall Fe + 2h+ --> Fe2+ + H2 so the cathode equation here as its 0.00v means its going to go in preference of those with ve- reduction potentials. So if theses acidic conditions werent to be there i.e. no H+, what would the normal...
  9. crammy90

    rusting

    <meta http-equiv="Content-Type" content="text/html; charset=utf-8"><meta name="ProgId" content="Word.Document"><meta name="Generator" content="Microsoft Word 12"><meta name="Originator" content="Microsoft Word 12"><link rel="File-List"...
  10. crammy90

    after the HSC

    i frothed on it for a while aye aha that guy with the small head and is tall is hilarious aha the movies good
  11. crammy90

    materials of boats

    was cast iron ever used for hulls etc in boats and roughly what time if so and other uses on ships thanks
  12. crammy90

    desk checking

    when i do it i just write the variable names and cross them out as they change in a linear sort of fashion instead of a table. if u get me... would i get marked down/ also do u need to do END FOR or are they self close?
  13. crammy90

    exam today

    all the hours i spent studying technical stuff that i thought should have been tested were not. yesturday i did as well as i could have done if i hadnt studied between trials and now. waste of time
  14. crammy90

    Negative Minus Negative

    i think i get it now..so if it has a leading 1 in 2's comp when we put it back into normal form its negative whatever that number is, if it has a leading 0 in 2's comp when we put it into normal it is positive whatever the number is?
  15. crammy90

    electrolysis

    K+ + e- --> K -2.93V H2O + 2e- --> H2 + 2OH- -0.83V (water reducing - this 1 goes) Anode (+) 2I--> I2 + 2e- -0.62V (this 1 goes) 2H2O-->O2 + 4H+ + 4e- -1.23V do we add the charges when writing overall equation or do -0.83- the 1.23 to get a lower number or is it -0.83-(-0.62) which makes...
  16. crammy90

    satellites

    im hoping some1 can answer this lol not much movement in these threads ive got that geostationary satellites if they go off course are fixed by activating rockets on them using "radiowaves"...i thought the satellties were above the ionosphere and that radiowaves were reflected off it...should i...
  17. crammy90

    Negative Minus Negative

    so i get how = 10100 is 20 but how does it know its minus 20 ?
  18. crammy90

    lol DSS question

    aha for DSS i went into depression = suicide = affects families. that was not the worse thing i discussed either ahaha people be up themselves aha
  19. crammy90

    2004 Hsc

    i read the whole question wrong aha "checksum is calculated by adding the number of 1 bits in the data bytes" did they just make that up for this q lol i didnt read that aha silly mistakes
  20. crammy90

    2004 Hsc

    but checksum gets its sum by adding the unteger values of bytes and comparing it with the checmsum byte that was sent and if it doesnt match theres an error. Surely if bytes are changed then this wouldnt be the same number? i actually think C now aha partity check would find it. I think u think...
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