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From: ark@alice.UucP (Andrew Koenig)
Newsgroups: net.micro,net.arch
Subject: Re: Apple's IWM; Floppy Disk Controllers
Message-ID: <4829@alice.UUCP>
Date: Sat, 18-Jan-86 10:44:51 EST
Article-I.D.: alice.4829
Posted: Sat Jan 18 10:44:51 1986
Date-Received: Sun, 19-Jan-86 04:54:27 EST
References: <724@pucc-j>
Organization: Bell Labs, Murray Hill
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Xref: watmath net.micro:13532 net.arch:2416

>
>In a single-user, single-task environment, (such as the Apple II and the
>Mac) the ability to compute and do disk I/O concurrently is not nearly
>the big win it is in a multi-user, multi-tasking system.  For a low-end
>system such as the Apple ][ it is entirely appropriate.
>

Even a program that reads a file sequentially and does something to
the data on it can benefit from the ability to overlap I/O and processing,
as long as the run-time environment provides some kind of buffering.