From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <6e35c0620710161847v3f02d904jdc8a83ce50ab432a@mail.gmail.com> Date: Tue, 16 Oct 2007 17:47:19 -0800 From: "Jack Johnson" To: "Fans of the OS Plan 9 from Bell Labs" <9fans@cse.psu.edu> Subject: Re: [9fans] I appear to have stumped the brains at chacha.com In-Reply-To: <20071016195908.614F25B2E@mail.bitblocks.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <13426df10710161025g11cb759apab7d4642f5ee205a@mail.gmail.com> <20071016195908.614F25B2E@mail.bitblocks.com> Topicbox-Message-UUID: d2334fac-ead2-11e9-9d60-3106f5b1d025 On 10/16/07, Bakul Shah wrote: > > a simple question: how many microrprocessors are there in the world? > > Dead or alive? In use or ever made? If I were counting, I'd be thinking still in existence, but not necessarily in use. So, that magic line from 1955 to the present, some reasonable portion under the curve. I think the MMU is the interesting limiter. Normally I would have done something like: % of cell phones + % of cell phone users with a DVD player + % of cell phone users with a computer + % of cell phone users with a digital cable or satellite receiver + most of the trash + some fudge factor Though, if you could calculate the average number of microprocessors per person by nation (or by their nation's GDP, or some other easy extrapolation). -Jack