×

Welcome to the Slashdot Beta site -- learn more here. Use the link in the footer or click here to return to the Classic version of Slashdot.

Thank you!

Before you choose to head back to the Classic look of the site, we'd appreciate it if you share your thoughts on the Beta; your feedback is what drives our ongoing development.

Beta is different and we value you taking the time to try it out. Please take a look at the changes we've made in Beta and  learn more about it. Thanks for reading, and for making the site better!

cancel ×
This is a preview of your comment

No Comment Title Entered

Anonymous Coward 1 minute ago

No Comment Entered

37 comments

Blue Screen (4, Funny)

Anonymous Coward | about a year ago | (#43547087)

On the CARDIAC the "Blue Screen" STOP error is actually implemented as an ARREST.

FPGA? (2)

Joce640k (829181) | about a year ago | (#43548151)

Never mind FPGA, we want a PDF version!

Re:FPGA? (2)

dissy (172727) | about a year ago | (#43550071)

No problem!

Here is the PDF pieces of CARDIAC:
http://web.mit.edu/kmill/www/hardware/hardware.html [mit.edu]

Additionally, you can purchase an original kit for $15 from:
http://www.scientificsonline.com/cardiac-illustrated-computation-aid.html [scientificsonline.com]

I still have mine on a bookshelf at home. It was an amazing little kit to me when I was 15, and still no less impressive today.

Enjoy!

Re:Blue Screen (1)

dragon-file (2241656) | about a year ago | (#43548377)

On the CARDIAC the "Blue Screen" STOP error is actually implemented as an ARREST.

If I hadn't blown all my mod points on cheap women and wine I would mod you up sir!

Re:Blue Screen (2)

K. S. Kyosuke (729550) | about a year ago | (#43550003)

On the CARDIAC the "Blue Screen" STOP error is actually implemented as an ARREST.

You've only evoked half-hearted laughter from your audience with this.

BARDIAC (1, Informative)

jackb_guppy (204733) | about a year ago | (#43547167)

Had a Comp/Sci professor who wrote BARDIAC (~1977), same as CARDIAC but with punch cards. It ran on DataPoint 2000 which was the 8008 instruction set run on decreate componants. Nothing like using elumation software on an elumation computer!

Will have to play with excel sheet, relive OLD times!

Re:BARDIAC (1)

Impy the Impiuos Imp (442658) | about a year ago | (#43547503)

Cool paper computer. Speaking of old times, imagine a beowulf cluster of these!

Re:BARDIAC (3, Funny)

HybridST (894157) | about a year ago | (#43547629)

A Beowulf cluster of old times? No I can't imagine how that would work.. I might soon be able to simulate a beowulf cluster of BARDIAC on phone-level hardware though.

Digi-Comp one FTW (1)

cellocgw (617879) | about a year ago | (#43547269)

I still have mine- nice plastic and metal computer.

You can still get CARDIAC paper kits, BTW, somewhere online.

Re:Digi-Comp one FTW (1)

hendrikboom (1001110) | about a year ago | (#43547301)

Wit short rubber bands, I believe. I never figured out where to get replacement rubber bands of the right strength.

-- hendrik

Re:Digi-Comp one FTW (1)

cellocgw (617879) | about a year ago | (#43547339)

My kit uses spring-steel to drive the gate positions. No rubber bands required ... until I lost a couple of the springs and had to jury-rig w/ a couple rubber bands. No rubber bands in the original kit.

Still have mine (1)

Rootbear (9274) | about a year ago | (#43547313)

I still have my CARDIAC, which stood for CARDboard Illustrative Aid to Computation. A teacher gave it to me in Junior High, about 1971, and it helped get me interested in computers. I'll have to check out the spreadsheet version.

As an aside, I love old computer names that end in -AC. My Mac Pro is named prozac.

I had one of these! (1)

TheSync (5291) | about a year ago | (#43547367)

My dad got me a CARDIAC back when I was in third grade.

I'm not sure I picked up much from it, but it inspired me to take a BASIC course on Commodore PETs in fifth grade, and from there on my future was set!

Re:I had one of these! (0)

Anonymous Coward | about a year ago | (#43547867)

... it inspired me to take a BASIC course on Commodore PETs in fifth grade, and from there on my future was set!

So... No future?

It is practically impossible to teach good programming to students that have had a prior exposure to BASIC: as potential programmers they are mentally mutilated beyond hope of regeneration.

-- Dijksta

Re:I had one of these! (1)

TheSync (5291) | about a year ago | (#43547939)

It is practically impossible to teach good programming to students that have had a prior exposure to BASIC

Hah, it's true, I decided to go into Electrical Engineering. The programs I do write from time to time are pretty ugly :)

Re:I had one of these! (1)

Whippen (2018202) | about a year ago | (#43563589)

I think it depends on the level of exposure to BASIC. If it is only minimal exposure, the concept of variables, arrays, loops, etc are transferable. If the exposure has got to the point of replacing a DO loop with a series of GOTOs, I agree, all hope is lost

PAPAC (1)

hendrikboom (1001110) | about a year ago | (#43547407)

Ah ancient paper computers. There's one that was published in CACM back in the 50's. I remember finding it back in a university library when I was first getting into computers in the 60's. There's a link to it on boingboing: http://boingboing.net/2010/11/18/a-do-it-yourself-pap.html [boingboing.net]. have fun.

Re:PAPAC (1)

Al Williams (2884871) | about a year ago | (#43547905)

That's cool. I wonder if I should try to get this in OpenSCAD and 3-D print the pieces instead of making them with paper?

Thanks, just a pity that it does not work with OO (0)

Anonymous Coward | about a year ago | (#43547439)

It's cool, a pity it does not works with a "free" alternative...
Well I'll look at the licence and think about it...

Re:Thanks, just a pity that it does not work with (1)

Al Williams (2884871) | about a year ago | (#43547963)

Thought about doing it in OO or even Google Docs. However, the target schools all seem to have Excel. But a port would be great.

The mind boggles (2)

MrLogic17 (233498) | about a year ago | (#43548255)

Lemme get this straight: Dr. Dobb's is computer simulating a paper simulation of a computer.

Put another way, it's easier to learn about computers using a spreadsheet model of a paper model of a computer, than just a mere paper model of a computer.

Cool, yes. Circular logic loops, yes.

Re:The mind boggles (1)

Darinbob (1142669) | about a year ago | (#43549407)

The paper model requires the student to do some work along the way. They have to enter numbers in boxes, possibly erasing the numbers already there, plus they have to turn the wheel and follow the sets of instructions. A spreadsheet gets rid of that, and is much more passive I would think. If you just keep clicking the "next" button over and over what do you really learn? Maybe you learn to write those simple programs, but are you getting a feel for how a computer is just a dumb state machine?

Brings back memories (1)

doseas (1271896) | about a year ago | (#43548835)

I used to teach programming to Jr High students in the '70s using CARDIAC. I still have one in my collection in "good working order".

Just wondering. . . (1)

TripleE78 (883800) | about a year ago | (#43549273)

So, if you use this thing to simulate downloading music and get caught by the RIAA goon squad, does it lead to a CARDIAC arrest?

Thank you, I'll be here all week. Tip your waitress!

CARDIAC (1)

Darinbob (1142669) | about a year ago | (#43549387)

I actually used one of these. Computers were just rare back then for students to get ahold of. They were expensive, plus not educational about computing. CARDIAC let you figure out how a computer really worked on the inside, as it was basically a simple state machine. Even today there's nothing really similar to this to teach how computers actually work at a simple level (microcode). Even many CS programs completely skip over stuff like this or make it optional.

I think this was one of the things that pushed me towards computer science as a major despite never having seen or used a computer before.

Check for New Comments
Slashdot Account

Need an Account?

Forgot your password?

Don't worry, we never post anything without your permission.

Submission Text Formatting Tips

We support a small subset of HTML, namely these tags:

  • b
  • i
  • p
  • br
  • a
  • ol
  • ul
  • li
  • dl
  • dt
  • dd
  • em
  • strong
  • tt
  • blockquote
  • div
  • quote
  • ecode

"ecode" can be used for code snippets, for example:

<ecode>    while(1) { do_something(); } </ecode>
Sign up for Slashdot Newsletters
Create a Slashdot Account

Loading...