Talk:Central processing unit

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Former featured article Central processing unit is a former featured article. Please see the links under Article milestones below for its original nomination page (for older articles, check the nomination archive) and why it was removed.
Main Page trophy This article appeared on Wikipedia's Main Page as Today's featured article on March 4, 2006.
Article milestones
Date Process Result
December 21, 2005 Peer review Reviewed
January 13, 2006 Featured article candidate Promoted
January 24, 2007 Featured article review Demoted
Current status: Former featured article

Link inappropriate?[edit]

The external link to, a documentary website about the history of microprocessors, has been removed for being "inappropriate". In an article about Central Processing Unit - isn't this link helpful and therefor appropriate? What do you think? —The preceding unsigned comment was added by Morkork (talkcontribs) .

It was removed partially because you were adding it to several articles without first discussing its inclusion. That is generally viewed as WP:SPAM, especially if you have something to do with the website you are adding. I'd say that link may be appropriate for microprocessor (ask on the talk page), but not this article. -- mattb @ 2006-11-08T01:25Z

the microprocessor section evaded topic : not any chip is a cpu, esp not CMOS[edit]

The development of microprocessors Harvard architecture "Mark I" design widely used today began with the Harvard design becoming most prevailant. The research and device in the early 1970's was quickly followed with the Motorola 68000 (circa 1976), which is fully multi-tasking cpu, and drove most personal computers in that era (intel at the time was a smaller company and had no multi-tasking chip). RISC chips were also introduced in small circles, a low cost non-multi taksing intel cpu became available. A next widely used multi-tasking CPU chip was the Sparc chip, modeled from the 68000, which was an open design: such as Sun Microsystems Sparc and Hitatchi Sparc chips (same open chip design, the design of Sparc is still available to the public, the Sparc is not secret or proprietary). The spark ran unix servers and X windows, and X11 came about from those developments. After this many competing fast cpu with similar design flooded the market; the 68000 and sparc were pushed aside.

Meanwhile in mainframe development Cray supercomputer (a subsidiary of the State of Texas, vital data) made a major advance in CPU called SCSI, which solved their problem of expanding and accessing their supercomputer; and this is still in used in iPhone ("firewire"), the original Apple, and is used in Sparc communities as well. SCSI cpu are also is being persued by fast chips that copy the design and are seeking to push it aside. A study of CPU is simply not complete without knowlege of SCSI: a cpu that connects mutiple disperate CPU.

op-amp microprocessors do analog computing which is not mentioned in this article (there still are, also Computer terminal that did analog vector display), and have been cpu at times. These use transistors configured to mix analog signals (perhaps with no clock) rather than to be triggered by digital states, thus can do certain things much faster. One application of this in your computer is DAC (digital to analog conversion). op-ams are not limited to signal conversion, they can do certian mathematic tasks much faster. But a note here is the op-amp, CMOS, or other chips: are usually not cpu (rather they are connected to a cpu) thus most designs are found in the electronic chip articles. — Preceding unsigned comment added by (talk) 18:32, 16 January 2015 (UTC)

Hm, "made a major advance in CPU called SCSI [...] and this is still in used in iPhone" – what's this about? Is this some kind of a bad joke? :) — Dsimic (talk | contribs) 18:51, 16 January 2015 (UTC)

is that true or spam? the Bloch CPU???[edit]

if you want to understand how a Bloch system of transistor works, it's not an actual sphere, but 2 entangled circles, that represent all possible Bloch values. each circle is consisted by 4 transistors at some early models - thus the bloch [test] sphere has only 8 transistors up-down-left-right for each entangled circle.

You have to enter that system digital noise .Ask MIT about digital noise moderators or even programs [programs occupy CPU thus are used only in experiments, not as finalized products, usually you simply make or buy a program to begin] if a Bloch sphere is consited only by 8 transistors, it will average the random noise data very slowly, the more transistors you add, the more accurate is your directivity of the value. 8 classic transistors, that are modified to allow pins enter and exit in a functional qubit. IBM also "played" [not commercial use] with Bloch spheres in the past.

You have to study mainsteam books. And mainstream theory. Then you combine them, and if you cannot speak to a professor. — Preceding unsigned comment added by (talk) 15:44, 20 May 2015 (UTC)

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