[Year 12 SofDev] More fun

[Mark Kelly]

Young whippersnapper.  In MY day it were a LOOXERY CHRISTMAS TREAT to 
'ave a whole nybble an' we only got to play with bits on Sunday.

An' we ' ad to make our own compooters outa corn flakes and barbed wire...

Kevork Krozian wrote:
> Hi Folks,
> 
> Why stop there ? Investigate how arithmetic happens at the bit level as 
> far as hardware required.
> Build a half adder and a full adder building to a 4 bit adder and study 
> the processing behind it .... rewind to the IT Systems course circa 1990.
> 
> Kevork Krozian
> Mailing List Creator and Administrator
> kevork at edulists.com.au
> www.edulists.com.au
> Tel: 0419 356 034
> ----- Original Message ----- From: "Mark Kelly" <kel at mckinnonsc.vic.edu.au>
> To: "Year 12 Software Development Teachers' Mailing List" 
> <sofdev at edulists.com.au>
> Sent: Tuesday, March 13, 2007 5:08 PM
> Subject: Re: [Year 12 SofDev] More fun
> 
> 
>> Thanks.  It's fun converting decimal to/from binary or hex.  Can be an 
>> interesting path to bitwise operations.
>>
>> Dr Paul Chandler wrote:
>>> ... To which we could add a few more:
>>>
>>> - conversion of a number in one base to any other (using the 'division
>>> method')
>>> - digit-by-digit addition
>>> - digit-by-digit subtraction using decomposition method - 
>>> digit-by-digit subtraction using equal additions method
>>> - demonstration of long division
>>> - derivation of square roots (manual method, similar to long division)
>>>
>>> -----Original Message-----
>>> From: sofdev-bounces at edulists.com.au
>>> [mailto:sofdev-bounces at edulists.com.au] On Behalf Of Mark Kelly
>>> Sent: Tuesday, March 13, 2007 3:10 PM
>>> To: sod
>>> Subject: [Year 12 SofDev] More fun - and a fix
>>>
>>> Fixed Fun #6 - given a price including 10% GST, give the ex-tax price
>>> and the tax component, e.g. $11 inc = $10 ex + $1 GST.
>>>
>>> New Fun #10 - given an integer number of dollars, calculate what notes
>>> or coins need to be given as change from $100.  e.g. $67 = 1 x $20, 1 x
>>> $10, 1 x $2, 1 x $1.
>>>
>>> -- 
>>> Mark Kelly
>>> Manager - Information Systems
>>> McKinnon Secondary College
>>> McKinnon Rd McKinnon 3204, Victoria, Australia Direct line / Voicemail:
>>> 8520 9085 School Phone +613 8520 9000 << new number!
>>> School Fax   +613 9578 9253
>>>
>>> Webmaster - http://www.mckinnonsc.vic.edu.au IT Lecture notes:
>>> http://vceit.com
>>> Moderator: IPM Mailing List
>>>
>>> Doctor - We must all face reality sooner or later.
>>> Dowd   - I wrestled with reality for 35 years, doctor, and I'm happy 
>>> to say I won out over it.  ('Harvey', 1950)
>>>
>>>
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>>
>> -- 
>> Mark Kelly
>> Manager - Information Systems
>> McKinnon Secondary College
>> McKinnon Rd McKinnon 3204, Victoria, Australia
>> Direct line / Voicemail: 8520 9085
>> School Phone +613 8520 9000 << new number!
>> School Fax   +613 9578 9253
>>
>> Webmaster - http://www.mckinnonsc.vic.edu.au
>> IT Lecture notes: http://vceit.com
>> Moderator: IPM Mailing List
>>
>> Doctor - We must all face reality sooner or later.
>> Dowd   - I wrestled with reality for 35 years, doctor, and I'm happy 
>> to say I won out over it.  ('Harvey', 1950)
>>
>>
>> _______________________________________________
>> http://www.edulists.com.au
>> IT Software Development Mailing List kindly supported by
>> http://www.vcaa.vic.edu.au - Victorian Curriculum and Assessment 
>> Authority and
>> http://www.vitta.org.au  - VITTA Victorian Information Technology 
>> Teachers Association Inc
>>
> 
> _______________________________________________
> http://www.edulists.com.au
> IT Software Development Mailing List kindly supported by
> http://www.vcaa.vic.edu.au - Victorian Curriculum and Assessment 
> Authority and
> http://www.vitta.org.au  - VITTA Victorian Information Technology 
> Teachers Association Inc
> 
> 

-- 
Mark Kelly
Manager - Information Systems
McKinnon Secondary College
McKinnon Rd McKinnon 3204, Victoria, Australia
Direct line / Voicemail: 8520 9085
School Phone +613 8520 9000
School Fax +613 95789253

Webmaster - http://www.mckinnonsc.vic.edu.au
IT Lecture notes: http://vceit.com
Moderator: IT Applications Mailing List

There are 10 kinds of people in the world: those who understand binary
and those who don't.