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From: marty1@houdi.UUCP (M.BRILLIANT)
Newsgroups: comp.ai
Subject: Re: analysis of unknown data
Message-ID: <1015@houdi.UUCP>
Date: Fri, 6-Mar-87 12:18:42 EST
Article-I.D.: houdi.1015
Posted: Fri Mar  6 12:18:42 1987
Date-Received: Sun, 8-Mar-87 08:48:09 EST
References: <5681@mimsy.UUCP>
Organization: AT&T Bell Laboratories, Holmdel
Lines: 21
Keywords: statistics; pattern recognition; signal processing; content analysis
Summary: If you can do that, I have an easier question.

In article <5681@mimsy.UUCP>, dave@mimsy.UUCP (Dave Stoffel) writes:
> 
>     What systematic methods and techniques would you apply to the
>     following problem?
> 
>     Determine the representation, organization, and content of a
>     "file" containing up to 156MB.  There are no assumptions.

What systematic or unsystematic methods and techniques would you apply
to the following (seemingly easier) problem?

Determine the machine language of a computer with a 64K address space,
8K of RAM, and 48K of ROM containing an operating system and BASIC.
There is user documentation but no system documentation.  The operating
system has undocumented capabilities for writing in RAM, reading any
byte, and starting execution at any byte in the address space.  Ignore
secondary storage.

M. B. Brilliant					Marty
AT&T-BL HO 3D-520	(201)-949-1858
Holmdel, NJ 07733	ihnp4!houdi!marty1